Front/Rear Differential May Develop Noise Due to Worn Bearings on GMC Suburban 1500

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.

RepairPal Verified
Average mileage: 155,000 (150,000–160,000)
Drive Train affected: 4WD
7 model years affected: 1993, 1994, 1995, 1996, more1997, 1998, 1999
10 people reported this problem
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problem details
1999 GMC Suburban 1500 160,000 mi,
ROARING NOISE COMING FROM REAR AT SPEEDS OF 50-65 MPH
1997 GMC Suburban 1500 - 4WD 150,000 mi,
Roaring from rear end. Took it to the shop and they said I'd need to "replace the rear end."