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Old 06-15-2010, 08:33 PM   #1 (permalink)
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C6 problems

hey everybody

im helping a friend finish up a TJ build he started long ago. hes running a 302 with a c6 tranny. one day we were driving down the road after test driving it, and all of a sudden it was like the brakes locked up. we slow down and find that the tranny has shifted into first, and is now stuck in first gear. we can get it to drive fine in first and it has a lot of pick up, but cant get it to shift into second unless we manually put it in "D" or "2" and then it bogs terribly and makes no power

any suggestions or does it sound shot. a friend was thinking vacuum line. tranny fluid is full and doesn't smell burnt
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Old 06-15-2010, 08:51 PM   #2 (permalink)
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hey everybody

im helping a friend finish up a TJ build he started long ago. hes running a 302 with a c6 tranny. one day we were driving down the road after test driving it, and all of a sudden it was like the brakes locked up. we slow down and find that the tranny has shifted into first, and is now stuck in first gear. we can get it to drive fine in first and it has a lot of pick up, but cant get it to shift into second unless we manually put it in "D" or "2" and then it bogs terribly and makes no power

any suggestions or does it sound shot. a friend was thinking vacuum line. tranny fluid is full and doesn't smell burnt
Drop the pan and look for chunks of clutch springs.
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Old 11-08-2011, 07:32 PM   #3 (permalink)
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sorry to bring this up from way back when, but friend is finally getting serious about fixing the tranny.

Now if we pull the pan and see clutch springs is it easier to rebuild it, or just find a used C6 somewhere.

Ive never been inside a transmission (auto, or manual), but I can pick up on stuff relatively quick
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Old 11-09-2011, 12:33 AM   #4 (permalink)
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If there ever was a transmission to rebuild, the C6 is it. Any beginner can probably put one together successfully, using almost no special tools. They are very stout as is in stock form, and it won't break the bank to make it a little stronger.

That being said, finding a used one in the junkyard will probably not be a problem. Do whatever is more convenient.
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Old 11-09-2011, 08:07 AM   #5 (permalink)
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I built mine by myself with basically no special tools in one night. They really aren't hard at all. Just keep up with exactly where everything goes.
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Old 11-09-2011, 04:45 PM   #6 (permalink)
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Check the vacuum line going to the modulator on the passenger rear of the transmission- maybe try a new modulator too before going to the big step of rebuilding the transmission. I had a truck that was acting just like that a few years back, and it was the vacuum line had popped off up at the manifold.

If it does need rebuilt, like the others said, it is pretty damn simple. There used to be a VCR tape available to walk you through the process.
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Old 11-09-2011, 05:15 PM   #7 (permalink)
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my E4OD went out in my f350. i wanted to do it myself but school wont let me... so i dropped 2 G's on it for a local shop to rebuild it
if you have the time and no money, seems practical to diy
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Old 11-09-2011, 05:53 PM   #8 (permalink)
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Not to Hijack but does anybody have a reccomendation on a rebuild manual for the C6???
Haynes, chiltons, others???
Also I have seen a rebuild DVD. Has anyone seen it? Is it worth a shit? Just wanting somthing with as much detail as possable and C6 specific. Not a generic, covers 10 other transmission manual. Thanks!
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Old 11-09-2011, 09:14 PM   #9 (permalink)
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The first one I did I used the video. Very detailed, went flawlessly. I actually have the VHS right here. There is a phone number on it but no web adress. 1-888-785-2604 Video #1206 Ford C-6.

If you want to build for performance search in here a bit. I remember a thread about using E4OD guts to build em tougher. And I made a thread years ago about a poormans shift kit.
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Old 11-10-2011, 08:31 AM   #10 (permalink)
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Not to Hijack but does anybody have a reccomendation on a rebuild manual for the C6???
Haynes, chiltons, others???
Yes!!!!!!
ATSM (auto trans service manual). Oriellys can order them if you can talk to someone that has a brain and gives a shit......
If they cant help you call
Blumenthal Transmissions
(405) 232-9557
301 S Western
Oklahoma City, OK 73109
They keep themin stock.

Seem like it was around $40 but worth every penny. Best manual out there ! ! !
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Old 11-10-2011, 10:41 AM   #11 (permalink)
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Yes!!!!!!
ATSM (auto trans service manual).

Seem like it was around $40 but worth every penny. Best manual out there ! ! !
X2! I got one of those to help a friend build the 46re in his jeep. Worth the cost for sure.
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Old 11-10-2011, 12:28 PM   #12 (permalink)
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I haven't used them before but I heard the www.badshoeproductions.com videos are pretty good.
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Old 11-10-2011, 05:00 PM   #13 (permalink)
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Thanks guys! I will get one. I may get the video too.
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