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Old 06-01-2015, 06:39 PM
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Transmission issues

Anyone run into this problem?

My reverse gear continually spins, even when I have the clutch in. If I want to get the CJ into reverse I basically have to force it into gear, grinding the gear until I can force it into a tooth, that then gets the rig into reverse.

I have a 4sp, so as it goes I think it's a T4 transmission.

any ideas?
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Old 06-04-2015, 11:30 PM   #2
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Have you tried adjusting the clutch linkage? Sounds like its not completely disengaged. May need to lengthen the rod a little at a time and see if that cures it. If it's hydraulic, cant help you much there other than maybe check fluid level and bleed system to make sure you are getting all the available extension of the t/o bearing. Not all that up on clutches to offer you more ideas.

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Old 06-06-2015, 06:12 PM
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Thanks Dean

I actually looked on the net for a possible issue and or fix, and I found a Youtube video of how to adjust the clutch linkage. Before that I had no idea that could be done, but there is a good chance that it will fix my problem. The guy in the video explained his symptoms and they are very much like mine.

I'm going to get the CJ in the garage next Saturday and see what I can figure out.

THANKS !! for the post. I'll let you know how it goes.
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Old 06-06-2015, 06:28 PM   #4
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try starting it with the clutch in then shift directly into reverse. there should be no grind because all the gears should be stopped.

but if it is running and you put the clutch in the gear will be spinning and it will take forever to stop. in a CJ I'm not sure reverse ever came with a syncro but in newer transmissions there is something to stop the spinning gear. My bet is something is just worn out.

try clutch in, shift into first, then into reverse.
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Old 06-10-2015, 06:40 PM
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Hey BillieBob !!

So what I found out was that my CJ has a hydraulic clutch, and that the slave cylinder has an air leak.
the rubber gaskets are worn out. This has also allowed most of the fluid from the master cylinder to leak out fluid. This lead to my issues. I have a new slave cylinder and the Napa guy said I should replace both the master and slave at the same time, so I bought a new master as well.

Will spend this Saturday replacing both, and bleeding the system.

Parts cost overall:
Master: $143.99
Slave: $63.99
Fluid: $11.99

Will let you know how it goes.


Thanks for the inputs.....
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Old 06-13-2015, 07:53 PM
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Replaced both the master and slave clutch units. Bled out the system and all is good.

What I originally thought was a major transmission problem was only a clutch problem that cost $250.00 to fix.


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Old 06-15-2015, 04:48 PM   #7
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Glad was a fairly easy fix!

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