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Poor Shifting 1991 YJ 4.0

552 views 4 replies 2 participants last post by  DREDnot 
#1 ·
I have changed the concentric bearing twice. Problem since new. No leaks. No spongy pedal. Grinding the gears. Possibly difficult to purge air from lines due to design. Any Thoughts ??
 
#2 ·
Gears have been grinding since new???
Or do you mean since replacing the concentric (throwout?) bearing.

You may also need a new master cylinder, and or a good gravity bleeding.
 
#3 ·
The concentric bearing, problem design since I purchased her new. Master cylinder is in good working order. My guess is that it is difficult to bleed the the system due to design. In a cold climate, it may be easier when the fluid is less viscus. Any thoughts?? Thank You
 
#5 ·
You never took it in under warranty?

Why is it bugging you now?

Unless yours has a manufacturing defect that caused the axes to be out of alignment, most everyone else got years of trouble free service out of this difficult to service design. Cold will effect it somewhat, but how cold we talking?
 
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