rear extension on t case keeps breaking why ?

Asked by Dec 18, 2015 at 01:59 PM about the 1992 Chevrolet Blazer Silverado 2-Door 4WD

Question type: Maintenance & Repair

i have a 92 chevy blazer and recently had to replace the u joint at the rear
and the transfer case rear extension and the problem was the 4 tabs that
you put the bolts through to bolt into the t case snapped off i just took it out
for a test run and the same thing happened again the 4 tabs broke any
idea as to why ?

1 Answer

114,845

Is your truck lifted? Lifted trucks tend to have problems with U-joints because the drive shaft angles end up being too steep and it puts too much stress on the U-joints.

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