C6 trans only has reverse gears

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rconklin

New Member

Dec 25, 2005

3

0

0

Dec 25, 2005

#1

• Dec 25, 2005

• #1

I have search the forum and have not seen any messages related to my problem. I recently put a 1971 Mustang Mach I back together and the trans only shifts into reverse. I have checked the linkage, adjusted the screw and lock down nut 1 1/2 turns but no forward gears. The modulator is new and the fluid is new. What have I missed? Is there a breather hole or adjustment that needs to be made?

 

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sportsroof69

Founding Member

May 21, 2002

231

0

16

Huntsville, AL

Dec 25, 2005

#2

• Dec 25, 2005

• #2

It sounds like the forward clutches aren't engaging or are engaging loosely. It may be a stuck valve in the valve body.

 

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rconklin

New Member

Dec 25, 2005

3

0

0

Dec 26, 2005

#3

• Dec 26, 2005

• #3

Still No luck

Okay! I tried changing the fluid and filter today. I checked the linkage again and whipped everything clean and started the car. Same result, Reverse only, no forward gears. Is there any other way to figure this out?

 

1

10secgoal

Active Member

Dec 1, 2003

2,801

3

49

San Diego

Dec 26, 2005

#4

• Dec 26, 2005

• #4

Drop the valve body out and put air to it. Their are two rather large holes compaired to the others. Each one activats the bands/drums. Can't remember of the top of my head if you can even see the forward drum. But if it is a seal you'll here execesive leaking.You will hear a bit off leaking no matter what. Set the air at about 25 psi