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Author
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Topic: Transmission Slipping
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FiveLiterDreamer
Journeyman Posts: 99
From: Conway, AR
Registered: Feb 2001
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posted 01-18-2002 03:06 PM
   
I've owned manuals all my life and have never had to mess with automatics. I just put in a C4 4 months ago when I put in my 302. It came out of a 78' that had been sitting since '86. I drained all the fluid out of it and changed the filter. The fluid still looked brand new and the inside of the tranny was exceptionally clean. I didn't have any problems with it at all. But, the last few days it has been hard to get into gear when its cold. reverse seems alot better than first gear. Today, when i got out of class, the car barely wanted to move. I was giving it gas, but the car was just creeping along. This car has virtually eaten all of my money and i'm in debt. Does anyone know what the problem might be?? thanx in advance.
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cobraii351
Journeyman Posts: 68
From: Altoona, PA
Registered: Jun 2000
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posted 01-18-2002 03:21 PM
First thing is to check the fluid level. If that is ok then the next thing I would do is adju8st the bands. If that doesn't work the problem is in the trans.. Over time the rings and seals in the trans get hard are stiff. When they get cold they are worse. There are some transmission aditives that are supposed to soften the seals so they work better. Right now the name escape me. Someone else may know. if That doesn't work your box may need a rebuild.
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mustangj
Gearhead Posts: 259
From: fergus,ontario,canada
Registered: Mar 2001
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posted 01-19-2002 12:31 AM
Worst case story:I rebuilt my C4 using a B&M rebuild kit. The B&M kit had great instructions with good pictures. It was easy, required no special tools. I learned alot, and it was no big deal. Very time consuming though, It took me a saturday just to clean the ten millon parts. The labour is what makes a transmission rebuild expensive, the parts are dirt cheap! Previously to the rebuild I blew up many automatic transmissions, considering them too complicated to deal with, I just bought a new ,used one! I watched speedvision one day, and watched a guy build a C4, and thought I could do that! I always dreamed you would need special Automatic transmission tools. For a C4 the only "special" tool you need is a set of ring pliers  I am no Automatic transmission expert but, I would drain it and check the servo piston seals. The pistons are under the metal covers with the four bolts on them. My Cougar used to do that when it got cold. I would put it in drive and it would be like I had a 6000 RPM stall convertor. After it warmed up it would clunk into gear and all was good. The servo is just a round piece of aluminum with a rubber seal on it. If the seal leaks the piston does not apply the band creating your problem. I used to work at a driveline place as a counter dude. C4's in a world of E40D's and AODE's are cheap to buy rebuilt, we sold them for $500.00 Canadian ($250.00 American) [if your chicken.] Best case story: If I were in your shoes I would try a Automatic Transmission conditioner first.
If the seals are dried out but not damaged
it may solve your problem. If the seals are pooched the conditioner may buy you some time. ------------------
1978 Muscletang II t-top mach 1
1991 Lincoln mark 7
1997 Escort wagon type R
[email protected]
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a351must2
Gearhead Posts: 320
From: Snohomish, WA, USA
Registered: Jun 99
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posted 01-21-2002 10:15 AM
I'd say "Check the fluid level" is the best place to start...
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