Rear Differential Ring and Pinion Noise on Chevrolet Suburban 1500

Average mileage: 75,000 (75,000–75,000)
Drive Train affected: 4WD
2 model years affected: 2004, 2005
2 people reported this problem
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problem details
Whining noise 40 mph - 60 mph - louder under load - quiet when coasting. Ring and Pinion going bad