Vacuum line on c6 transmission. C4 modulator vacuum line.

Vacuum line on c6 transmission Leaving the vacuum line off is the same as nearly wide open throttle, so the transmission will increase line pressure and drag out the shifts. It will be a rubber line from the modulator to the hard line the hard line will clip into a couple of clips on the side of the tranny, there should be another clip on one of the transmission to block bolts (top bolt on passenger side), then a rubber line Find Automatic Transmission Vacuum Lines Steel Transmission Line Material and get Free Shipping on Orders Over $109 at Summit Racing! C6 (7) Fordomatic (5 17-10-4 C6 Automatic Transmission 17-10-4 VACUUM TO TRANSMISSION VACUUM DIAPHRAGM VACUUM REGULATOR VALVE < VRV) * 0 Q ADJUSTMENT u SCREWS D4909-1 B FIG. This makes it ideal for use with large engines, as well as those that require high levels of vacuum. Try tracing the vacuum line to the modulator, and hooking it directly to an intake manifold vacuum source. The single line modulator can be used by using only the line that goes directly to the intake manifold and blocking off the other line. 3. With my cam, I don't see over 10-11 of vacuum at Idle. First off, my truck does not take off like it should when I put it in drive, once it gets going, it drives better, but at first I sound like I'm staging at the track then Jan 22, 2004 · I removed the vacuum line and NO fluid came from the line or the fitting on the end of the modulator. . Replace the rusted vacuum line on your transmission and ensure shifts that are smooth and precise. I forgot where the vacuum modulator line hooks up to. Accuracy Rating: 10 Best Repro Available: YES. The C6 vacuum modulator line size is 3/8″, making it the largest of the three common sizes (3/8″, 5/16″, and 1/4″). I replaced the vacuum modulator on the c6 when we rebuilt the motor, and the old one had a lot of transmission fluid in it. 80. Jan 8, 2012 · The transmission shop said that 12 mph wasn't a big deal and that it is probably the rubber vacuum line sucking shut. 9L Diesel Engine SOCKET— T71P-77370-C,OR-D a s ADJUSTING SCREW TORQUE WRENCH HANULE--T71P-77370-H D1597-1F FIG. The Vacuum Control Valves, (VCV), shown at the bottom right of the diagram are located on the front of the intake manifold, just behind the water neck where the heater hose hooks up. Ford Transmission Vacuum Modulator Jul 4, 2010 · You use the vacuum line that connects directly to the intake manifold for the single vacuum modulator. Dec 7, 2015 · are you asking about the modulator valve on the c6 trans or a vacuum valve on the holley carb? The shift modulator on the C6 trans, I need to find out what kind of vacuum source it needs so that I can hook it up correctly to the Holley, or the manifold if necessary. The Stainless Steel Transmission Vacuum Line will not rust or corrode. Sep 15, 2016 · The rear vacuum tree supplies the brake booster and transmission vacuum lines as well. Apr 11, 2005 · As far as I know, there's not much difference in a C6 vs. Description: C6 Automatic Transmission Vacuum Line Clips Year: 1968-70 Model: Mustang, Shelby, Cougar, Ford Model Options: C6 Automatic transmission Engine: 428 CJ, 428SCJ Transmission Type: Automati c FORD Hardware #: 7C072 & 7B085 Factory: San Jose, Dearborn, Metuchen Quantity: 2 clips. Recently I noticed that when I gun the motor in neutral the vacuum drops like normal, but only returns to 10 . If you still have the emission controls (EGR) make sure the other line is removed and capped. Apr 7, 2012 · 1973 - 1979 F-100 & Larger F-Series Trucks - C6 modulator vacuum help - Hello, my 78 has a c6 and I'm going to replace the modulator and the hoses. Just make sure the line is rated for vacuum and won't collapse. until I find a suitable donor for a manual conversion. Sonnax part # 36008B Find FORD Automatic Transmission Vacuum Lines and get Free Shipping on Orders Over $109 at Summit Racing! C6 (14) Fordomatic (10) Cruiseomatic (6) FMX (6) Aug 16, 2011 · Clutch, Transmission, Differential, Axle & Transfer Case - C6 Vacuum Modulator Hose? - I have a C6 in my '53 F100. This high quality steel transmission vacuum line is pre - bent to the proper shape for a simple installation. Feb 28, 2011 · 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - C6 modulator vacuum line size? - I'm temporarily replacing the dying AOD in my truck with a C6. Sep 10, 2008 · I just got a rebuild c6 transmission installed, and it does not shift at all. Dec 7, 2023 · How to Test a Transmission Vacuum Modulator. Green Sales, Cincinnati, OH has 14 (800) 543-4959 Plus there are several other dealers that have them. Greg, What Brent said. Does this Sound right? If so he said I should cut out the hose except for about 2" on each end and then tie in a copper or braided brake line, what parts would i need to do this? C6 Vacuum Modulator Line Size. 1971 Mustang; 429 V8; With C6 Transmission; Modulator Vacuum Line. What size steel line did you use and what size hose. I suspect that the old unit may weep thru the O-ring that must be on the shaft that lives inside the transmission case itself. Last edited by a moderator: Apr 24, 2017 Nov 9, 2023 · It sounds like you may have a large vacuum leak, like a broken hose, that is disrupting vacuum to the headlights and the transmission modulator. For the swap I need to run a vacuum line to the modulator, which has a 1/4 fitting. Most of the time there is a manifold vacuum tree on the back right of the manifold but not sure on Fords. C6, 2. Classic Tube Transmission Vacuum Line Stainless Steel C6 V8 Jun 11, 2012 · 1978 - 1996 Big Bronco - c6 Vacuum modulator questions - Howdy all I have an 86 Bronco with a freshly rebuilt 300 inline 6 and a C6 transmission. Start your automatic transmission vacuum line replacement now at Summit Racing! Show Less May 18, 2020 · ConcoursMustang Forums » ; 1st Generation 1964 1/2 - 1973 - Questions & general discussions that apply to a specific year » ; 1969 Mustang » ; Topic: C6 vacuum modulator line location Oct 9, 2020 · Edit; Nope I used on a customers 66 Thunderbird C6 a while back, I had forgot that I used it Early boost valve >>> Boost Valve Kit - 36941-01K Late boost valve >>>Boost Valve Kit - 36946-04K Awww heck, here's all of em >>> Ford C6 Transmission The one piece case bushing is a nice upgrade for any C6. Made in USA Includes rubber connector. Top. The trans will only shift when you move the shifter. 1967-70 Mustang; V8; With C6 Transmission; Modulator Vacuum Line. Dan Szwarc Site Admin Posts: 30515 Joined: Fri Jun 16, 2000 6:01 am. Do they both need full intake vacuum? Nov 2, 2018 · Yes the transmission will shift on its own with out a vacuum source on the modulator, however the shifts will be drawn out and hard hitting. There are a few methods for testing a transmission vacuum modulator to determine if it is still functioning properly or failing: Check the vacuum hose: Inspect the vacuum hose connected to the modulator while the vehicle is running. I use steel tubing along the length of the transmission then vacuum hose, maybe 8" or so at each end. It requires manifold vacuum. 5 Jan 30, 2017 · 1961 - 1966 F-100 & Larger F-Series Trucks - transmission vacuum line - I was wondering if anyone makes a pre bent line for the c6 trans and our trucks? I have a 66 f100 with the straight 6. Apr 27, 2019 · Just connect the vacuum line from the transmission to the intake manifold. There should be strong suction present in the hose, showing the Jun 23, 2015 · 1948 - 1956 F1, F100 & Larger F-Series Trucks - C6 vacuum line - Anyone ever made their own automatic transmission vacuum line? Have a C6 with 351 Windsor. Understanding the vacuum line diagram for the C6 transmission is crucial for troubleshooting and repairing any issues. The diagram shows the proper routing of the vacuum lines, including where they connect to the transmission, intake manifold, and other components. But doing a search I Just choose your application for a custom fit! We carry transmission vacuum lines for GM Powerglide, TH350, TH400; Ford C-4, C-6, Fordomatic; Chrysler Torqueflite 727, and many others. 55 gears and 31 tires. TIA Aug 6, 2016 · The mod line should go to intake manifold vacuum so any fitting on the intake with 100% vacuum will work. The vacuum should bounce higher while Buy a new Classic Tube Stainless Steel Transmission Vacuum Line for your 1967-1970 Mustangs with a C6 Automatic Transmission and a V8 Engine from CJ Pony Parts. C4 modulator vacuum line. Sep 10, 2008 · IF you are installling the TransGo full manual shift kit into this C6 trans the vacuum modulator does not need to be hooked up. Jack's Jan 18, 2013 · The one for two vacuum lines is the pink band, however, the p/n is D4 A Z-7A377-B. 4 Vacuum Regulator Valve (VRV)— E-250— E-350, F-250— F-350 with 6. Jan 7, 2018 · 1973 - 1979 F-100 & Larger F-Series Trucks - 74 F100 C6 trans vacuum hookup - i have two vacuum lines coming from the modulator. eiu zskwrck fdyqa qfngq erpz rlwpuu ywazw wxnx gbsd zzbcj