4l60e increase line pressure. Move the 3/8" adjuster one-sixth turn.
4l60e increase line pressure Sonnax EPC works the reverse of what you think. To reduce line pressure, increase the percentage of duty cycle on the solenoid. 100% duty cycle "fully on" reduces line pressure, 0% duty cycle "fully off" increase line pressure. Many aftermarket “kit” springs are a compromise, raising pressure too Additional 4L60E Products From TCI® 4L60E 0. Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Has anyone had any experience with the Ebay/Amazon 4l60E Standalone controllers? I know all shifting will be manual, but I am concerned about long-term usage and how hard the transmission shifts with full line pressure. Henry Ford, on the stock market "As The front pumps are notorious for being worn and losing line pressure. I what is the max percentage you should raise the line pressure in a stock unit without doing any damage or breaking hard parts? any info is appreciated this is a stock 4l60e 04 gmc on the pressure test port and go for a drive to verify proper line pressure. In the long run, I think it's better for the longevity of your trans to go with the transgo. Park at idle,or under acceleration and all gear selections. It will reduce the slip on the shifts that GM put in there to appeal to the luxury car people. My 6l80e in my 13 tahoe is my first venture. Currently, I am putting a carburated LS/4l60E in a S10. TAP cell 4 is the lowest adaptable torque range and TAP cell 16 is the highest adaptable Line Pressure Booster Kit 4L60E-LB1. C: pressure control solenoid high Fluid Leaks and Loss of Pressure. 4L60E Line Pressure Adapting; Hello If this is your first visit, be sure to check out the FAQ. 2015 General Motors vehicles equipped with the 4L60E, 4L65E, and 4L70E automatic transmissions over time wear 4L60E, 4L80E Stage 3 EPC Solenoid 1992-2003. Some of this is my own learning, and much of it is what I've When throttle is increased, throttle pressure pushes the throttle-pressure plug in the opposite direction, allowing the spring to move the pressure regulator into a position to Regular maintenance and inspection of the cooler lines are also crucial to identify any potential issues early and prevent costly repairs down the line. I would Line pressure booster kit 4L60E-LB2 fits late-style GM 4L60-E, 4L65-E and 4L70-E pumps. 4l60E-LB1 to suit, GM 4L60-E, Performance Pack HP-4L60E-01 '94-Later Classic, large-ratio boost valve for crisp, clean shifts without harshness Line Pressure Booster Kit 4L60E-LB1 4L60-E, 4L65-E only, early style Line Basically the TCM has detected slippage and has increased the line pressure. Again, only 'fyi', as the better way to increase line Drop-in Pressure Regulator Valve Fits 1993-15 4L60E, 4L65E, 4L70E . I promised lionelhutz I'd start a thread on what I'd learned about 4L60E tuning in 8051 LT1 cars, specifically B-cars. It is too firm and want to reduce it to firm when I change fluids and filter. 9 and hit X to I hooked up a snap-on diag. Bank Account. Member. 4k+ street/strip miles on trans. You can scale the whole thing or just change the taper at the low Also you can adjust the shift pressure. Joined Sep 20, 2016 Messages 532 Location MN. I can go as high as 300 psi at WOT, Line pressure booster kit 4L60E-LB2 fits late-style GM 4L60-E, 4L65-E and 4L70-E pumps. I'm trying to see if they're is anything I can do to improve the performance of the stall I installed/improve downshift response. I think it is a simple adjustment and need advice on how to turn back the firmness. When the brake is applied line pressure is increased and the time taken What's everyone's opinion/strategy of setting the shift pressure tables for a built trans? Obviously, I have pump and valve body mods that raise line pressure. com/article/part3. I This high-quality, high performance pressure regulator spring 77917-10 from Sonnax fits GM 4L60-E, 4L65-E and 4L70-E transmissions. Line Pressure For 4L60E: Gear Range It has a Transgo HD2 and I had to pull a little line pressure. Email a friend. the boost valve. I increased the base line pressure slightly I recently did a 411 PCM swap into my 97 GMC K2500 Suburban with 5. 2 L I reinstalled the pressure gauge and checked the line pressure at Technical Info: 4L60E Transmission Adaptive Functions. ) Let’s look at the transmission shift adaptive pressure system on the 4T65-E transaxle as an example. Put a line pressure gage (or visit a local Transmission shop) on the pressure test port and go for a drive to verify proper line pressure. ” There are definite benefits to increasing pressure and holding capacity, but there are items connected to line pressure, like the TCC apply circuit, that are designed to have limitations. If base pressure is low, the pump is worn out. 03. However, I look at it differently since the "shift pressure" table is really just a 0-96 "percent", so to speak, of using the available pressure the All the benefits of increased line pressure without overloading the pump at idle; TH350, TH375 long tail 27 spline, 700R4, 4L60E and 200-4R $ 115. mert4787 Discussion starter. Thread Tools. You're suppose to run a extra Servo Cushion Spring with 'Vette 2nd Pistons. Required. 4L60E-LB1-LB2-IN 10-11-12 I have a friend that did the swap using TC and he burned up 2nd gear. The line pressure should reach its maximum value (180-280 psi, depending upon valve body calibration). HELP!!!!! - What line pressure are you guys running. Checking 4L60E Line Pressure What you should expect to see In D: 55-65psi Min. The motor is new,So I'm just puttering around till I get Line pressure booster kit 4L60E-LB2 fits late-style GM 4L60-E, 4L65-E and 4L70-E pumps. My cooler pressures were as high as 130 when the converter was in lock up. The answer is the PCM is in complete control of every aspect of when and how the 4L60E I promised lionelhutz I'd start a thread on what I'd learned about 4L60E tuning in 8051 LT1 cars, specifically B-cars. Quick view Details. The TCM noticed the 1-2 Shift was taking too long & increased line pressure to shorten shift time. Note: 1998 and later C & K trucks and G vans use a deep pan and filter assembly. Sonnax hydraulic line pressure booster kits contain stronger pressure regulator As i understand it the Boost valve will increase line pressure as throttle increases, The exhaust valves help quicken the release, 2nd servo is an accumulator for 3-4 clutch pack The line pressure should begin to increase as soon as the throttle begins opening. A person can burn up a stock transmission Hello! I have a 4L60E in a 2WD 2011 Silverado, When it was tuned, the tuner increased the pump duty cycle to increase line pressure in an effort to help the transmission Line pressure booster kit 4L60E-LB1 fits early-style GM 4L60-E, 4L65-E and 4L70-E pumps. 033" bleed to prevent centrifugal apply for Sonnax Hydraulic Line Pressure Booster Kits 4L60E-LB2 SOX-4L60E-LB2. I have a 3. Go here and read:http://www. And some places 4T65-E Line Pressure Booster Kit, Sonnax 4T65E-LB1. Sonnax hydraulic line pressure booster kits contain To me it's a gimmick to fool the ECM via continuity manipulation into commanding max line pressure at all times so it's maxed for part throttle shifts. The line pressure should reach its maximum rate (180-280 psi, depending upon valve body calibration. 12-08-2013 #8. Basically, it's incredibly unlikely to magically develop a mechanical/hydraulic issue at the same time as installing a new computer control. I was wondering if anyone has any idea what the standard line pressure for a stock 4L60E transmission with Vette servo installed would be; Replace the EPC and install a Sonnax Boost valve (4L60E-LB1), Central Valve Bodies' oversized AFL valve and Transgo's 4L60E pressure regulator valve. When I first read about the 4T65-E, I thought it was simply a 4T60-E with an electronic line pressure control system using a pressure control solenoid (PCS) instead of a modulator controlled line pressure system using a vacuum modulator. Our Team; The TransGo Difference; Research Associate Program; Tech Fits all 4L60E, 4L65E, 4L70E, 4L75E 1993-on Share. 4. Stage 3 High Performance upgrade past 600hp. I have a 4L60E and I run 100 psi at idle and about 200 to 220 psi at WOT. Not a Factory Replacement solenoid . Sonnax 4L60E-LB1, 4L60E / 4L65E / The TransGo 4L60E SHIFT KIT Valve Body Repair Kit fits 1993 to 2015 General Motors vehicles equipped with the 4L60E, These changes work in concert with a slight increase in line Fluid Leaks and Loss of Pressure. jpg. cope1980. This increase in line pressure allows better holding capacity to a distressed part. If there is a discrepancy for more than 5 seconds, the TCM will set the P0961 fault code. The pressure does not change when I rev the engine. In typical applications, oil Sonnax Hydraulic Line Pressure Booster Kits 4L60E-LB1 SOX-4L60E-LB1. The line pressure should begin to increase as soon as the throttle begins opening. All the benefits of increased line pressure without overloading the pump at idle; 4L60E / 700R4 / BOP TH350 / TH400 The cells are numbered 4 through 16. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright The pressure should rise to well over 60psi when I rev the engine in gear, from what I understand. should be fairly steady I'll try to type all of this simple but it was lengthy. Add to Cart. motor is running great and I have been tweaking the trans tune every few days. well actually it's plenty good on the motor but when I spray the nitrous it dont cut it. Many aftermarket “kit” springs are a compromise, raising pressure too about to load this in and see how it acts i posted wrong tire size, running 265/60r20. Basically the electronic Fits 1993-15 4L60E, 4L65E, 4L70E Except Hybrids This 4L60E Shift kit fits 1993 to 2015 General Motors vehicles equipped with the 4L60E, 4L65E and 4L70E automatic transmission. 40. He The pressure regulator spring sets the base line pressure. Become an ATSG member now to access all of the Confirmed F Video shows how to check the transmission line pressure on a 4L60E transmission. 490" Boost Valve – Part # 374420 Operating line pressure is the lifeblood of any automatic transmission by providing the Find many great new & used options and get the best deals for Sonnax 4l60e 4l65e 4l70e Transmission Line Pressure Booster Kit Early Style at the best online The pros use them increase the pressure approximately 15 psi, turn clockwise one-sixth turn. 4L60E Shift Kit 1993 - 2014 . areas until you get a decent feel for it I see you said built 4l60e so depending on upgrades it most likely take more line pressure but I would still alter the tables slowly til you get What's everyone's opinion/strategy of setting the shift pressure tables for a built trans? Obviously, I have pump and valve body mods that raise line pressure. And some places will tell you to leave the pressure tables stock. 00 Add to cart; Sonnax T2-3-13131HP, I recently did a 411 PCM swap into my 97 GMC K2500 Suburban with 5. TAP cell 4 is the lowest adaptable torque range and TAP cell 16 is the highest adaptable 4l60e line pressure testing procedure - Free download as PDF File (. 8 Buick engine that ate 2 sets of thrust bearings. Note: 1998 and later C & K trucks Line pressure booster kit (4L60E-LB2) fits late-style GM 4L60-E, 4L65-E and 4L70-E pumps. 07-14-2016 #6. The answer is the PCM is in complete control of every aspect of when and how the 4L60E Also, the pressure control solenoid (aka: 'force motor') does have an adjustment screw, that can increase line pressure. Stage 3 Pressure is 180-200 psi Benefits; Increased Apply Pressure for All Clutches; Increase Holding Capacity All Clutches; Faster Clutch Apply For Each Shift Manual 2 forces line pressure to 180psi or better. Turned out it was a fault in the valve body that was exaggerated by a shift kit that increased converter apply pressure. 5 out of 5 stars. Early style. Thank you for watching the ATSG Confirmed Fix video covering 4L60E - Sudden Loss of Line Pressure. Im thinking like 110 psi might do the Some will say when it comes to turning up the pressure that “the higher the pressure, the longer it will live,” and “too much is never enough. Line Pressure For 4L60E: Gear Range One of the key benefits of this B&M Transpak 4L60E Automatic Transmission Shift Kit is the increased line pressure. Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving High performance . 2015 General Motors vehicles equipped with the 4L60E, 4L65E, and 4L70E automatic transmissions over time wear Stronger pressure regulator springs raise pressure equal amounts at idle and maximum pressure. As current flow is Line pressure booster kit 700R4-LB1 fits GM 4L60 (700-R4) and 200-4R transmissions. Tips for Maintaining Your 4l60e The 4L60E pressure manifold switch is a crucial component of the transmission system in GM vehicles. EPC or {Force Motor} Controls Line Pressure and Line Rise. another way to increase line pressure drop pan unplug the pressure solenoid also sets a code. To decrease the pressure, turn counterclockwise. All the benefits of increased line pressure without overloading About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright If you increase the Max Line Pressure constant, you may have to set the values in the 100 column to match (or be slightly lower) than the 96 column. Also check to see if line pressure increases as soon as the throttle begins to open. 472” OE diameter 4L60E-BOOST 0. Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and 4L60E 4L65E 4L70E Transmission Sonnax Line Pressure Booster Kit Late-style pump Line pressure booster kit 4L60E-LB2 fits late-style GM 4L60-E, 4L65-E and 4L70-E pumps. This also resulted in an EXTREMELY hard 1-2 shift. jakes performance stage 3 4l80e, no reverse/trans brake when hot. Oh I just got a response from Bryan Herter, who said that he uses the same parameters for the 4L80E as he's been using with the 4L60E. Less slip on the shifts is less wear on the clutches. While it sounds 4L60E; 68RFE; 6L80; Browse All Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work Base pressure at idle in P,N,OD should be around 70psi and around 140psi in R. Setting Shift Times to 0. 500" boost valve will increase line pressure a little across the board and accumulator piston spacers/springs will determine the speed/harshness of shifts. The values shown below are an example. Ways to increase sensitivity for a built 4L60E; Results 1 to 12 of 12 Thread: Ways to increase sensitivity for a built 4L60E. Beware though, as having no pressure bleed-off in the FMC table and have a 1-What controls the shifts in a 4L60E 4L80E and can I replace the PCM with a vacuum modulator. If base 4L60E Technical Information . I do not want to change the MAP in the PCM. woods95662. sku: S-4L60E Line pressure booster kit 4L60E-LB1 fits early-style GM 4L60-E, 4L65-E and 4L70-E pumps. With the scan tool we tried to test the PCS and no matter the amperage,line pressure remained constant. Just don't got over like 90 psi, scale them back The 4l60E, was introduced in 1993, is an electronic version of the 700r4, which was introduced in 1982. Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and Line pressure booster kit 4L60E-LB1 fits early-style GM 4L60-E, 4L65-E and 4L70-E pumps. This helps to firm up shifts, reduce clutch slippage, and improve overall transmission performance. Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and 4L80E main line pressure adjustment. Sonnax hydraulic line pressure booster kits contain stronger pressure regulator low line psi in reverse. A750E / A750F / A760E / A760F / A760H / A761E / A960E / A960F / AB60E / AB60F Line Pressure Booster Kit, Sonnax stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive 4L60E low line pressure, 1-2 upshift slip. Line pressure booster kit (4L60E-LB1) fits late-style GM 4L60-E, 4L65-E, and 4L70-E pumps. If the actual shift time is shorter than the calibrated desired shift time, changing the rate of pressure increase (B in graph). Max line pressure should be at least Sonnax line pressure booster kit RFE-LB1 is an ideal performance and durability upgrade for heavy-duty and modified vehicles, and even stock transmissions when a little Sonnax Hydraulic Line Pressure Booster Kits 4L60E-LB2 SOX-4L60E-LB2. Note: 1998 and later C & K trucks Fixed!! We changed the TCI regulator boost spring back to the stock 4l60e boost spring, and it has all normal pressures now! Get familiar with the 4L60E Boost Valve. 2. Finding transmission fluid under your vehicle If you increase the Max Line Pressure constant, you may have to set the values in the 100 column to match (or be slightly lower) than the 96 column. If you are not using an output to control the line pressure solenoid, your 4L60E/4L65E will apply full line pressure at all times. $32. The Sonnax large ratio boost valves and stronger pressure regu-lator springs are designed to work together. 4l60e try disconnecting tps, this should not only set code for tps but will cause max line pressure. 7 Vortec and 4L80E. Part No. The result is a more SONNAX Line Pressure Booster Kit. $31. Larger Boost Valves B B A A OE Springs A - B - Key Aftermarket “Kit” Springs Sonnax Line Pressure Booster Kits Low EPC/Torque Signal Line Pressure Booster Kit Early style . Hello! I have a 4L60E in a 2WD 2011 Silverado, When it was tuned, the tuner increased the pump duty cycle to increase line pressure in an effort to help the transmission survive. For 10% decrease, highlight everything, type in . Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and Increases in Line Pressure Stronger Springs vs. I 4T65-E Line Pressure Booster Kit, Sonnax 4T65E-LB1. The Transmission Control Module (TCM) monitors the current flowing through the line pressure control solenoid and compares it to the commanded current. In R: 64-75psi Min. Its a bolt on 5. With the ignition off, disconnect the solenoid harness from the controller. 4L60E 4L65E 4L70E Transmission Sonnax Line Pressure Booster Kit Late-style pump Line pressure booster kit 4L60E-LB2 fits late-style GM 4L60-E, 4L65-E and 4L70-E pumps. Part Number: SOX-4L60E-LB1. Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving Performance Pack HP-4L60E-01 '94-Later Classic, large-ratio boost valve for crisp, clean shifts without harshness Line Pressure Booster Kit 4L60E-LB1 4L60-E, 4L65-E only, early style Line Pressure Booster Kit 4L60E-LB2 Late style Increased line pressure & firmer shifts High Performance Pressure Regulator Spring 77917-10 Cooler line pressure Your cooler line pressure is normal. Then, start the engine and maintain a fast idle speed of about 1500 RPM. pdf) or read online for free. . I have a strange problem with my rebuilt 4l60e 1995, I have a constant line pressure of about 180psi in all gears including park and neutral. Certain calibrations have to 100 column set All the benefits of increased line pressure without overloading the pump at idle; TH350, TH375 long tail 27 spline, 700R4, 4L60E and 200-4R $ 115. × RECOMMEND A FRIEND. Overview. Max line pressure should be at least 190psi at WOT in 1st or 2nd, 225psi is optimum. 1 and hit X to multiply. Thread starter cope1980; Start date Sep 25, 2023; C. The spring increases line pressure by To increase the pressure, turn clockwise. The pressure chart shown is used for all Astro and Safari vans that use the The cells are numbered 4 through 16. Finding transmission fluid under your vehicle The kit will include pieces that are built to handle the increased pressure such as different springs and metal parts that replace plastic parts I. Original poster. While still holding the 3/8" adjuster, tighten the 5/8" lock nut. to 300-325psi Max. My original transmission builder increased the Line Pressure on my 4L60E for a very firm shift. LinE PrEssurE BoosTEr KiTs 4L60E-LB1, 4L60E-LB2 Instruction Supplement ©2012 Sonnax Industries, Inc. B: 2-3 shift solenoid ground signal . Home. If base I have a strange problem with my rebuilt 4l60e 1995, I have a constant line pressure of about 180psi in all gears including park and neutral. While still holding the 3/8" Line pressure booster kit 4L60E-LB1 fits early-style GM 4L60-E, 4L65-E and 4L70-E pumps. I still have the stock trans harness in,Just tied up out of the way,I checked pin for pin in the stock harness and the holley all checks out,If I remove the ground on the EPC solinoid it goes to full line pressure,Around 220-230psi. 05-09-2022 #3. Line pressure booster kit 4L60E-LB2 fits Late GM 4L60-E, 4L65-E and 4L70-E pumps. To decrease the pressure approximately 15 psi, turn counterclockwise one sixth turn. If the early shallow filter is installed it will fall off causing low pressures and slippage. Please complete the These changes work in concert with a slight increase in line They are available in different diameters that provide increased line pressure so that your transmission will work correctly when used under conditions other than 236 psi Forward Stronger pressure regulator springs raise pressure equal amounts at idle and maximum pressure. Each cell represents a given torque range. No codes from the ecu, tried another ecu as well but same pressure. then the PCM decreases current to the pressure control (PC) solenoid in order to increase line pressure for Hi all, I was talking to a transmission specialist today and we were talking about shift kits for the 4l60e and he mentioned that you can adjust your force motor screw around 1/4 of a turn and it will raise line pressure and improve shifting. 3 with a fresh 6l80e and ZL1 converter. EPC or {Force Motor} Controls Line Pressure and Line pressure booster kit 4L60E-LB2 fits late-style GM 4L60-E, 4L65-E and 4L70-E pumps. All gears work fine, overdrive and lockup too. Sonnax hydraulic line pressure booster kits contain 4l60E Duty Cycle My Post your tune, most likely he means the force motor current table to increase line pressure. View Profile View Forum Line Pressure Booster Kit Late style . While this is true, 4L60E; 68RFE; 6L80; Browse All Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Email; Twitter; Facebook; SKU: 4L60E-BOOST Line Pressure Problems; Line pressure boost control has been the Achilles heel of the 4L60E for a long time. Technical Info: 4L60E Transmission Adaptive Functions. 49. If you’re starting with a high mileage, well seasoned cop car you may have low line pressure. The Pr. In this video we take a closer look at the Boost Valve and Sleeve. We have been in the transmission industry for over 20 plus years. Should I reduce shift pressure in autoshift properties->shift pressure-> Base X pttrn? and is there a minimum pressure for a 4l60e? Trans pressure. Reactions: mrbreezeet1. Part Number: SOX-4L60E-LB2. The job of the boost valve is to help the pressure regulator spring increase line pressure as needed. Certain calibrations have to 100 column set to 1245ma (full line pressure bleed off). Many of the harsh 1-2 problems are due to the TCC slippage complaints setting P1870-P0894 codes and putting Im super wet behind the ears with tuning and tweaking. It did for a while. For reference 4L60E Transmission Sonnax Heavy-Duty Pickup Build Package This Super High Quality Kit Contains Upgraded Parts Manufactured by Sonnax 4L60E-HDA (Heavy Duty Option A) kit As i understand it the Boost valve will increase line pressure as throttle increases, The exhaust valves help quicken the release, 2nd servo is an accumulator for 3-4 clutch pack The 4l60e,was introduced in 1993, is an electronic version of the 700r4, which was introduced in 1982. The trans tune is stock per their request since the mechanically increase line Higher line pressure will increase shift firmness, shift speed, as well as clutch holding capacity, reducing heat from slippage. phpI don't know how this will work with the 4l60e, I don't even know if the 4l60e has a TV cable. Here is a picture of the item, I am referring too for reference Line pressure booster kit 4L60E-LB2 fits late-style GM 4L60-E, 4L65-E and 4L70-E pumps. I The 4l60e,was introduced in 1993, is an electronic version of the 700r4, which was introduced in 1982. decreasing the values on FMC(15100) increases line pressure right? i know . 4L60E Band Clearance is always loose even brand new, Even though GM makes different length Servo Apply Pins, They're ALL built with the 2-Groove Pin. As I increase throttle and accelerate, the percentage decreases until the Line Pressure % number flashes in a yellow box But those pressures seem low to me. If you already have it tuned for increased line pressure, By increasing or decreasing the current to the solenoid, the line pressure can be adjusted accordingly. A: 1-2 shift solenoid ground signal . 2 posts · As a quick tutorial for those of you new to these trannies, I'll spill a bit of my experience (one full rebuild, one partial rebuild to replace a broken input drum, and a parts Line pressure booster kit 4L60E-LB2 fits late-style GM 4L60-E, 4L65-E and 4L70-E pumps. TAP cell 4 is the lowest adaptable torque range and TAP cell 14 is the highest adaptable Ways to increase sensitivity for a built 4L60E; Results 1 to 12 of 12 Thread: Ways to increase sensitivity for a built 4L60E. Base pressure at idle in P,N,OD should be around 70psi and around 140psi in R. Also, if the transmission is not going firmly into reverse, or Checking 4L60E Line Pressure What you should expect to see In D: 55-65psi Min. Sep 25, 2023 #1 2004 Envoy XUV 4. 4L60-E, I have a 2004 GMC Sierra with a 5. Highlight the entire section from 0 to 440ft lbs or so and add 5-8% more line pressure. 4L60E / 4L65E / 4L70E Line Pressure Booster Kit, Sonnax 4L60E-LB1. Transmission is a level two 4l60e from Performabuilt with a 3400 stall yank converter. Might have been his undoing. 856-400-0063 (calls only) Sign in or Register; Cart. With the 0411 the line pressure is controlled by calculated torque output. Check clearance between pan and Can we log commanded line pressure? The upshift and downshift modifiers under pressures, or leave them alone and let them mod the pressure vs temp? 4L60E here as well 2000 Trans Am WS6. 500” diameter for applications that require a faster line pressure boost curve and increased max line pressure. Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and The pressure regulator spring sets the base line pressure. I have a 06 avalanche I've done a 80E swap to, and I'd like y'all to look over my tune file and see where I could improve. When the brake is applied line pressure is increased and the time taken If it really is a 4L60E, you don't want to tow in O/D, PERIOD! It'll destroy the O/D band pretty quickly (not to mention the ATF flow will be greatly reduced too due to low Before GM introduced its pulse width modulated (PWM) control system in the mid-1990s, the 4L60E TCC apply/release tactics were This modification allows full line pressure Learn how the 4L60E Pressure Regulator Valve (aka PR Valve) works. then the PCM decreases current to the pressure control (PC) solenoid in order to increase line pressure for the next, same, upshift under identical conditions. Transmissions plug pin identification 1995 and up. 9 which increases overall trans line pressure by approx 10% At idle I have under 50% line pressure. Line pressure booster kit 4L60E-LB2 fits late-style GM 4L60-E, 4L65-E and 4L70-E pumps. Move the 3/8" adjuster one-sixth turn. $37. 00 Add to cart; Sonnax T2-3-4911HP, 2004R / Yes, the transgo is more work and more expensive, but it addresses many other issues of the 4L60e. does the trans shift or should I ask slip when all shifts occur? does scanner show shift adapt or codes for low tps volts? C5 Tech - What line pressure for a 4l60e trans. It is responsible for monitoring and controlling the hydraulic pressure within the 4L60E; 68RFE; 6L80; Browse All Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work This is probably the appropriate place since the hard line is up changing the GM assumed source pressure. Applications. After looking at his bin file, it looks like he bumped up the line pressure significantly. There are two that I am working on right now that I The Sonnax elevated pressure main pressure regulator springs are intended to provide a minimal baseline pressure increase (approximately 10 psi over OE baseline pressure), enough of an Learn how the 4L60E Pressure Regulator Valve (aka PR Valve) works. 500" diameter boost valve and bushing kit for applications requiring a faster line pressure boost curve and increased max line pressure. 810" length. . Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving Line pressure booster kit 4L60E-LB1 fits early-style GM 4L60-E, 4L65-E and 4L70-E pumps. We learn how the tran Sonnax 4L60E-LB: Pump Cover: Factory valve are worn; Sonnax valve provides 10% line pressure increase over stock diameter valve: Transgo makes an equivalent but does are pushed harder, components progressively increase pressure for improved clutch holding capacity and increased durability. Nothing crazy. For example, 10% increase, highlight everything, type in 1. 9 and hit X to multiply. Tman220. The ground is good also gets 12v to positive pin. to 170-190psi Max. Mar 4L60E-BOOST-472 0. I have rebuilt about 10 of these transmissions this year as a "side hustle" of which 8 have worked successfully after rebuild. Well anyway I've got another transmission sitting 4l60e line pressure testing procedure - Free download as PDF File (. If pressure drops below base line pressure at anytime it usually points to low oil or a problem Base pressure at idle in P,N,OD should be around 70psi and around 140psi in R. No change in line pressure. The pressure does not change when I The . A 1/2 throttle raises line pressure as well, allowing the slightly distressed part to hold better. Then, start the engine and Performance Pack HP-4L60E-01 '94-Later Classic, large-ratio boost valve for crisp, clean shifts without harshness Line Pressure Booster Kit 4L60E-LB1 4L60-E, 4L65-E only, early style Line low line psi in reverse. 3. When the brake is applied the line pressure is increased and the time it Checking 4L60E Line Pressure What you should expect to see In D: 55-65psi Min. This line pressure booster kit fits late-style GM 4L60-E, 4L65-E and 4L70-E pumps. scanner to see if it had any info to my problem and the only thing that I can see is that the tranny line pressure is low. Fluid leaks in the 4L60E transmission can lead to a drop in line pressure and overall performance. I don't think the holley shows epc amps. Sonnax hydraulic line pressure booster kits contain If you perform mods which create extra leaking such as Lube to Line bypass hole in the pump, or drilling a drum with a very tiny . 0 will allow ) but it aint enough. New list: Close Add to List. Line pressure solenoids reduce the line pressure when activated. Some of this is my own learning, and much of it is what I've 4l60e line pressure testing procedure - Free download as PDF File (. If you move D3801 down you can increase line pressure, but your are faking out the TCM (it thinks it commanded mid pressure, but D3801/PCS delivered high pressure, TCM Use the math function top right. 4L60E, 4L80E Stage 3 EPC Solenoid 1992-2003. All the benefits of increased line pressure without overloading the pump at idle. Recommended. Also, when in 'D', if I take off as if I was doing a 0-60, it will shift 1-2-3 perfectly. 4L60-E, 4L65-E, 4L70-E Low line pressure upon engagement; Required. While still holding the 3/8” adjuster, tighten the 5/8” lock nut. Kit features & benefits Drop-in Pressure Regulator Valve Fits 1993-15 4L60E, 4L65E, 4L70E . tvmadeez. Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure Reverse always has a higher line pressure. About Us. Estimated Ship Date: Today. All the benefits of increased line pressure without overloading the pump at idle; 4L60E / 700R4 / BOP TH350 / TH400 1-What controls the shifts in a 4L60E 4L80E and can I replace the PCM with a vacuum modulator. Fits 4L60-E, 4L65-E, 4L70-E • Anodized Aluminum Boost Im super wet behind the ears with tuning and tweaking. Mar 27, 2022 62 USA. About The combination of boost valves and springs is the ONLY way to progressively increase line pressure. M. What settings change shift firmness and shift points?I have a built 4l60e with 2000 rpm stall converter and I finally figured out the correct adjustments to increase line pressure. Learn how the 4L60E line pressure is created. 000 disables Adapt Learn for shifts so you can dial them in with increasing Base Pressure for each shift. T. Jump to Latest 14K views 3 replies 3 participants last post by Crosley May 14, 2009. Features and The spring increases line pressure by approximately 13%, improving transmission performance in both standard and high performance applications. In typical applications, oil pressure from the EPC solenoid, 4l60e issue line pressure rebuild reverse. It seems like the EPC solenoid is working (because when I command different amp levels, the line pressure changes) but something isn't telling it to increase the line pressure. 4L60E 4L65E 4L70E Sonnax 4L60E-LB2 Line Pressure Booster Kit Late. THE CHAD. At the moment shift pressures feel like they're fine, shift desired time I'm still tweaking. low line psi in reverse. Second issue is that line pressure is ~ 80 psi no matter what. I run 96 psi ( the max hp tuners v. I recommend you stick with no (0) or 1 washers for a DD. Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and you can increase your max pressure and decrease the values in the FMC table, to firm the shifts. Gives modest pressure increases at the low RPM, with a high-end pressure that is equal to or greater than that of other aftermarket valve and spring kits. After flushing out the tranny Base line pressure should be 55-75 psi at idle and with your kit closer to 100. 4L60E 4L65E 4L70E Transmission Sonnax Line Pressure Booster Kit Early-style pump Line pressure booster kit 4L60E-LB1 fits early-style GM 4L60-E, 4L65-E and 4L70-E pumps. A moderate line pressure increase works very well on 4L60E's. Shop On Our Website For More 4L70E Products Today! Or Call Us At 318-742-7353! stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. 00 Add to cart; Sonnax T2-3-13131HP, 4L80E / TH400 Slip Yoke $ 303. 75 out of 5 stars. areas until you get a decent feel for it I Late-style "short" boost sleeve, 1. Line pressure booster kit 4L60E-LB1 fits early-style GM 4L60-E, 4L65-E and 4L70-E pumps. We learn how the tran The cells are numbered 4 through 14. The same springs ect he used in many other 4L60 builds resulted in a VERY poor, VERY soft/weak 1-2 shift unlike all the others The EPC (electronic pressure control solenoid) is probably faulty and not responding to input from the TCM. The 2-minutes is so the Trans doesn't overheat & cause clutch damage especially with new clutches. 4L60E 4L65E 4L70E TRANSMISSION LINE PRESSURE BOOSTER KIT SHORT STYLE SONNAX 4L60E-LB2 FITS '93+ Menu. On a programmable 4L60E tranny, what is the Main Line pressure and what does increasing it in the eprom do, On a programmable 4L60E tranny, what is the Main Line Performance Pack HP-4L60E-01 '94-Later Classic, large-ratio boost valve for crisp, clean shifts without harshness Line Pressure Booster Kit 4L60E-LB1 4L60-E, 4L65-E only, early style Line The pressure control (PC) solenoid valve is a precision electronic pressure regulator that controls transmission line pressure based on current flow through its coil windings. To increase the pressure, turn clockwise. E. View Profile ie increase the entire table as stated before by 0.
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