Transmission or transfer case
Fleet Mechanic
Joined: Nov 2011
Posts: 1,825
Likes: 43
From: Land of Taxes
Mark makes a good point ...as usual... buuuttt...
We dont have access to a crystal ball. Not to be a wise-***(well maybe a little) but if you want accurate troubleshooting responses we need all the facts.
Truck miles.
Daily commuter, workhorse or plow truck?
Service history...trans, xfer case, diffs etc...Fluids ever been changed?
Have you dropped the trans, xfer case and diff fluids looking for evidence of failure(chunks)? If not thats where Id start after verifying what Mark said.
When and how did the trouble occur...at 90mph or backing out of the driveway? 4 wheeling or normal commuting?
Could be anything from a bad diff, snapped axle, ring/pinion. broke trans or xfer case to your e brakes getting munched up(if 99 has disc rears).
We dont have access to a crystal ball. Not to be a wise-***(well maybe a little) but if you want accurate troubleshooting responses we need all the facts.
Truck miles.
Daily commuter, workhorse or plow truck?
Service history...trans, xfer case, diffs etc...Fluids ever been changed?
Have you dropped the trans, xfer case and diff fluids looking for evidence of failure(chunks)? If not thats where Id start after verifying what Mark said.
When and how did the trouble occur...at 90mph or backing out of the driveway? 4 wheeling or normal commuting?
Could be anything from a bad diff, snapped axle, ring/pinion. broke trans or xfer case to your e brakes getting munched up(if 99 has disc rears).
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