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Chevrolet Blazer Problems

Front/Rear Differential May Develop Noise Due to Worn Bearings on Chevrolet Blazer

Problem Description and Possible Solution

The front or rear differential may develop an abnormal noise due to worn bearings or another internal fault. Our technicians tell us that a complete overhaul of the affected differential is commonly necessary to correct this condition.

(15 people reported this problem)

Chevrolet Blazer Vehicles With This Problem

RepairPal Verified
Average mileage: 185,500 (106,000–260,000)
Drive Train affected: 4WD
6 model years affected: 1993, 1994, 1998, 1999, more2000, 2002
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Viewing 1-4 of 4 comments
Replaced right front hub, humming noise is still there except when the four wheel drive is engaged.
Just started this a.m. Sounds like a hum, changes w/ speed variation and bumps. Have not yet checked fluids.