Question about 1996 Chevrolet C1500
My son just purchased a 1999 Chevy Tahoe Z71 that makes a crackling noise positively coming from the transfer case when in 2 Hi. It sounds like needle bearings crackling. All u-joints are good also, but was able to get the vehicle up and listen to it just by rotating the drive shaft. Fluid is proper also.
I have seen this problem on many gm trucks including my own 1999 chevy tahoe with the NP246 transfer case model the rear out put bearing has a plastic cage the falls apart and or the clip holding it in place shatters causing this noise you can inspect this by removing the rear drive shaft and with a flash light look into the transfer case tail shaft to see if every thing is intact. also this type of transfer Case is known for the drive chain to stretch and hit the inside of the case housing start by checking the bearing first.
Posted on Jun 29, 2009
What you may be hearing is the wheel bearings instead of the transfer case. I had this problem with GM before and found it to be the wheel bearing was bad. I know it is not what you think, but it would be an easy thing to check first.
Posted on Jun 21, 2009
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Posted on Jan 02, 2017
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