Lost 5th and reverse
#16
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I'm still not convinced that we want to use the AX transmission. There are a lot of negative reviews regarding this transmission. What other options are available to bolt to our 3.4l? Probably looking at older s10 chevy mayb?
#18
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Year: 1989
Model: Comanche (MJ)
Engine: 4.0
That would be why you don't have 5th/reverse. If you start around 6:40 on the tear down video below, you can see that bolts hold the shifter mechanism for the 5th/reverse gear shift forks. Apparently yours didn't require lots of heat and a tamper resistance torx to remove. :{.
#24
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Year: 1989
Model: Comanche (MJ)
Engine: 4.0
Funny thing is when I googled, I found a bunch of people who mistakenly removed that bolt thinking it was the fill plug and caused the same problem.
I found the part number for the "pivot pin" is 1352-183-002. Hopefully, the other pieces like the c-clip are still inside.
https://www.transmissionpartsdistrib...-1352-183-002/
I found the part number for the "pivot pin" is 1352-183-002. Hopefully, the other pieces like the c-clip are still inside.
https://www.transmissionpartsdistrib...-1352-183-002/
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OldTires (05-17-2022)
#26
Junior Member
Thread Starter
The top cover is not coming off as easy as the video, it seems to want to move the bottom left shaft when pulled up indicating that something is connecting this assembly. Anyone have an idea?
#30
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Year: 1989
Model: Comanche (MJ)
Engine: 4.0
Can't quite tell the state of the synchros from the pictures, but one of the shift pads looks worn. Since you have it on the bench and opened up, you might consider continuing onward and replacing the synchros. Since the synchros are brass, I'd suggest the same advice as the AX-5/15 and using a gear oil without sulfurs (ie not generic GL-3/4/5 oil).