38 c4 transmission vacuum line diagram

Vernell K. Gaffney · Wednesday, January 12, 2022

Vehicle: '69.5 Maverick 302, T-5, Grabber Green. Corbin; there should only be one vacuum line coming to the trans. It should go to the vacuum modulator valve. The other two lines coming from the trans are fluid lines going to the radiator. Don't put these on the manifold, as the vacuum from the engine will suck the fluid out of your trans. Changes to the C4 by Year. The C-4 was a remarkably long-lasting transmission and was in use until 1981, at which point it was replaced with the C5, which was essentially a C4 transmission with a locking torque converter.. One of the most important changes to happen to the C4 was the increase from 24 to 26 splines on the input shaft, which increased the durability of the transmission.

Hey all, obviously I'm new here. I was wondering if anyone knows where I can get ahold of wiring and vacuum diagrams for my 1967 coupe. It has an inline 6, 200 and a C4 transmission. I bought the car, and of course the previous owners cut a few vacuum lines and wires:frustrated: . So I'm just...

C4 transmission vacuum line diagram

Hi guys I have a 2004 CRV and getting a P0172 and will stall whenever coming to a stop sometimes. Next on my list to check is a vacuum leak but w/o a diagram I have no idea where to look. I've tried searching online but cannot find anything. Does anyone have a diagram or can take a picture of their 2nd gen and mark out all the vacuum lines as a reference when I check for a leak. Thanks in advance. The C4 automatic transmission was introduced by Ford in 1964. It is equipped with a vacuum modulator that senses change in the engine's vacuum due to throttle position and load changes. As these changes occur, the modulator adjusts the shift timing of the transmission according to the demand of the engine. You can ... Types of vacuum modulators available for the C-4 and C-5: Push-In or Bracket Mounted Modulators: 1) Red-stripe with two vacuum inputs. (large & small) Usually found on earlier (73-74) vehicles where EGR Devices were first introduced. This can in most cases be replaced with the green stripe version and get better results for the shift ...

C4 transmission vacuum line diagram. Im looking for a vacuum line diagram for a 1998 Jeep Grand Cherokee Laredo. It's a 4.0 engine if that makes a difference. I think im having an issue with my heat due to a vacuum line. When I have it set on feet and top vents it blows from the deforst vents too. Same of I have it set to just the feet vents, it'll blow from both The C5 transmission case looks identical to the C4 case and can be used for a C4 buildup. Expect to see E2, E3, E4, E5, and E6 Ford casting numbers on C5 cases. The C5 differs with improved hydraulic circuitry and more generous oil flow. The C5 also differs from the C4 in the transmission cooler-line fitting sized at 1/4 inch. 1967 mustang inline 6 200 vacuum lines. Jump to Latest Follow 1 - 3 of 3 Posts. J ... Yes it's a manual choke, where would i get a heat tube and do you any place i could get the vacuum diagram for the inline all i can find is the one for the v8's thanks for the help . Save Share. Reply. 1 - 3 of 3 Posts. Join the discussion. The vacum port at the back of the carb (that's supose to be used for power brakes) is connected to a vacuum line running to the transmission (C4). Next, there's a vacuum port on the back of the intake manifold plenum that's hooked to the PCV valve. Finally, the distributor vacuum advance is connected to the timed vacum port on the carb ...

I’m aware that there’s a vacuum line input to the C4 transmission from the intake manifold, for use by the vacuum modulator or vacuum valve I think is what Ford calls it. That makes sense as the transmission shifting points have to change based on engine load. Hello everybody what I need right now is a guide to help me find and trace out where the vacuum lines all of them are supposed to go across and on the 5.4 V8 1999 F-150. I had started working on my '02 about a year and a half ago and replacing things and after that stimulus check I got a second 99 f150 and started swapping working parts to my 2002. Up until two Saturdays ago I totalled My 02 f150 and now my original parts truck looks like my might be my only driving option. However, The vacuum ... Transmission coolant lines are abundant in all Mustang transmission systems, but older pony cars with a C4 or C6 automatic transmission also require an additional hose in order to function. Along with the coolant lines, many First Generation builds came complete with a Mustang transmission vacuum line. Customer Testimonial video playlist:https://www.youtube.com/playlist?action_edit=1&list=PLU4Pb1p041pCZDCCT9ZNwZ32712TqD6fbMustangMedic Ford Mustang Search Re...

Find your Corvette part or accessory fast. We specialize in restoration of C1, C2, C3, C4, C5 & C6 Corvettes. Download complete Corvette diagrams and catalogs. Ford C4 and C6 Transmission Trouble Shooting Guide It’s good to have a source to guide you when you’re struggling with troublesome transmission function. You can be methodical and cover all the bases during a rebuild and still things can go wrong. Shop from a wide selection of C4 Technical Diagrams for your Corvette. Free shipping available. ... Shifter & Transmission C4. Steering Column & Steering Related C4. Suspension C4. ... C4 Brake Line C4 Bumper-Front C4 Bumper-Rear C4 Door 84-89 C4 Door 90-96 Vacuum Modulators. The vacuum modulator is a vital component of automatic transmissions. It tells the transmission what kind of load is being put on it, allowing the transmission to react with the proper line pressures and shift points. Over time, modulators can develop leaks, suffer ruptured diaphragms, become bent, etc.

Vacuum connections 1966 - MustangForums.com

Hi Guys, Has anyone got a fuse chart for a Citroen ë-C4? The USB-C data port is inoperative and I want to check the fuse, But nowhere can I find a fuse location diagram. Thanks all.

C4 Transmission Vacuum Line Diagram - Diagram Media

What are your thoughts on the transmission in a C4? Do you have a preference? I'm considering purchasing a Corvette and have a budget of around $10k. There are many C4s for sale near me within that price range, but the majority are automatic. Should I hold off until I come across a manual in good condition? Or is the automatic transmission plenty fun? Purpose of the car: weekend cruising and the occasional car meet. I've never owned an older car - this would be a kind of 'introduction' to clas...

Ford c6 transmission modulator valve adjustment

Does anybody know where I can get a vacuum line diagram for my 94 5.0 in an f150? I’ve looked everywhere on the internet and all I can find is Mustang. Are they the same? I even bought a service manual from o’reilly’s and it had everything except that in it. Every bit of help is appreciated.

Ford Truck Technical Drawings and Schematics - Section I ...

The vacuum modulator has a vacuum line which is attached to the intake valve and calculates the engine's vacuum amount. Either way, both technologies have the same function. When we talk about the load on the engine, we are referring to how hard it must work just to maintain its functionality.

Need a Plan for Vacuum - CorvetteForum - Chevrolet ...

C4 Tranny Vacuum Lines. The 73 Fords were the first year for EGR valves. These first EGR versions would loose a lot of vacumn on take off causing late shifts so Ford added a second vac. hose to the mod. valve which was tapped into the EGR vac. hose (the other goes to intake vacumn as in other trannies).

I can not figure out where to attach the vacum line from ...

OE Steel Transmission Modulator Vacuum Line for the 1969 Mercury Cougar or Ford Mustang with a 351 Windsor and an FMX transmission. Quick View. Wanted! Modulator Line - FMX - 351W - STAINLESS STEEL - Repro ~ 1969 Mercury Cougar / 1969 Ford Mustang ... Small Block V8 with C4 Vacuum line for 1967 - 1969 Mercury Cougar / Ford Mustang . Featured Items:

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C4 TRANSMISSION PARTS DIAGRAM TRANSMISSION PARTS ONLINE. TransPartsOnline 760-727-7560.

Ford Truck Technical Drawings and Schematics - Section I ...

1984 chevy 350 vacuum diagram. 1984 chevy c10 50 vacuum line diagram best wiring library 2 vacuum hose routing. All of the vacuum diagrams i have show the pcv on the left hand side. The vacuum hose should be linked from intake manifold to thebrake booster on brakes as well as to the side of the gearbox onthe vacuum canister.

Pit Stop: Automatic Trans Kickdown Cablesâ€”Are They Really ...

1994 Ranger Sport, OBD-1 2.3L 4-cyl with 5-speed, 138xxx miles. I've been squashing bugs in this thing since I bought it last year (mostly via firing the parts cannon at it, she had a rough previous life) and I'm almost there. I think I have a vacuum line plumbing issue, and information on Google has been scant. On the lower part of the intake plenum (the "octopus" vacuum distribution tree), I believe my plumbing is correct. But the line that runs from the crankcase vent canister (drivers' sid...

First Post - C4 valve body diagram - Vintage Mustang Forums

Location: Forrest City, AR. Vehicle: '76 Maverick with a 351W. Modulators. I found that there are single diaphram (one vacuum line) and dual diaphram (two vacuum lines) modulators out there (one of the vacuum lines goes to the center of the modulator, over the screw that you can adjust to retart the timing of your shifting, then a place to plug ...

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Product # 7B094D. 1967-69 Mustang Small Block V8 with C4 Transmission Modulator Vacuum Line. This high quality steel transmission vacuum line is pre - bent to the proper shape for a simple installation. Made in USA Includes fitting and rubber connector. MSRP $17.99 ea.

Kickdown Linkage - Gary's Garagemahal (the Bullnose bible)

Automatic Transmission Vacuum Line, Steel, TH350, Chevy, Each. Part Number: RSD-FTV7801. ( 5 ) Estimated Ship Date: Today. $35.64. Estimated Ship Date: Today. Right Stuff Detailing CTV6903 - Right Stuff Detailing Automatic Transmission Vacuum Lines.

C4 Transmission Vacuum Line Diagram - Diagram Media

Sep 26, 2009 · Sep 28, 2009. #6. I was looking at a vacuum diagram and noticed the vacuum line running off the tree goes straight to the vacuum reservoir and not the transmission vaccum line. Also I had one picture of my old engine with the tree installed and you could see it clearly running to the vaccum reservoir. The other nipple has always been capped.

HOW TO: Changing Carburetors and Making it Work with an ...

I can not figure out where to attach the vacum line from the mainifold to the transmission on a 1966 mustang - Answered by a verified Classic Car Mechanic ... Here is the factory diagram of how the line mounts: ... I have a 67 mustang 289 with a c4 transmission and when it gets into 3rd gear it will shift back into 2nd under light acceleration ...

Can anyone answer some questions about an 86 mustang aod ...

My C4 transmission builder said he didn't think he could change the particular type modulator out to soften the shift from first to second but said I could unplug I think the front vacuum line and put a screw it the line and it would soften it some.

Ford F-150 Transmissions 2004-2014: Overview and How-Tos ...

Bill shows you how to install a Threaded Vacuum Modulator Valve on your 1965-1972 Mustang with a C4 or C6 Automatic Transmission.Purchase Product Here:https:...

1967 Mustang Auto Transmission Modulator Line - Ford ...

Dec 27, 2021 · Find Automatic Transmission Vacuum Lines C4 Transmission Type and get Free Shipping on Orders Over $99 at Summit Racing!

C4 Transmission Lines Diagram - Diagram Media

Mar 27, 2007 · Originally there was a metal line with a short elbow of vacuum line to connect steel line to modulator. 65 FB 289/3sp Rangoon Red/Red, 67 FB rustbucket, 68 Coupe 200/6 T-5 Diamond Blue/Blue, 68 Coupe 302/C4 Black, 69 Coupe 200/6 C4, Blue/Black, 69 coupe White/Red, 70 Coupe 390/C6 Auto Gold Metallic/Ginger, 2010 Gold V6/Auto Sunset Gold/Black

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Hi guys, where can I find the diagram for 2012 CLC engine 2K caddy Thanks

1966 I6 C4 vacuum line help - Vintage Mustang Forums

In the current C4 transmission, a newly designed line coasting boost valve will automatically raise control pressure for manual 3-1, 3-2, and 2 -1 shifts at closed throttle at all road speeds. In this diagram, first gear 1 is shown as a starting gear.

Girl in High Line

processes controlled and operated by vacuum. As a result the number of vacuum lines multiplied. What fol-lows are diagram's showing the routing and connections taken from a number of Ford documents and publica-tions. 1968 289, 302 2bbl and 302 4bbl manual transmission

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C4 Transmission Vacuum Line Diagram - Diagram Media. vacuum schematic - LS1TECH - Camaro and Firebird Forum Discussion [VF_8519] Chevy Quadrajet Vacuum Diagram Download Diagram.

Ford c6 transmission modulator valve adjustment

Types of vacuum modulators available for the C-4 and C-5: Push-In or Bracket Mounted Modulators: 1) Red-stripe with two vacuum inputs. (large & small) Usually found on earlier (73-74) vehicles where EGR Devices were first introduced. This can in most cases be replaced with the green stripe version and get better results for the shift ...

C4 Transmission Vacuum Line Diagram - Diagram Media

The C4 automatic transmission was introduced by Ford in 1964. It is equipped with a vacuum modulator that senses change in the engine's vacuum due to throttle position and load changes. As these changes occur, the modulator adjusts the shift timing of the transmission according to the demand of the engine. You can ...

[MA_1682] C4 Transmission Linkage Diagram Schematic Wiring

Hi guys I have a 2004 CRV and getting a P0172 and will stall whenever coming to a stop sometimes. Next on my list to check is a vacuum leak but w/o a diagram I have no idea where to look. I've tried searching online but cannot find anything. Does anyone have a diagram or can take a picture of their 2nd gen and mark out all the vacuum lines as a reference when I check for a leak. Thanks in advance.