8.5

pretty bad
Typical Repair Cost:
No data
Average Mileage:
74,050 miles
Total Complaints:
4 complaints

Most common solutions:

  1. replaced both pinion bearings, seals, gaskets, lubricants (1 reports)
  2. replaced both pinion bearings, side bearings, both drive sha (1 reports)
  3. replaced rear end bearings (1 reports)
  4. replaced side pin bearings, set backlash, preload (1 reports)
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problem #4

Oct 062015

Avalanche LTZ Vortec 5300 V8

  • Automatic transmission
  • 97,069 miles

Pinion and side bearings pitted. Replaced rear end bearings - reset backlash and setup. This makes 4 times for rear end repairs

- falbright, PEKIN, IL, US

problem #3

Jun 102014

Avalanche LTZ Vortec 5300 V8

  • Automatic transmission
  • 83,805 miles

Had lots of road noise in cab that was continually getting worse so had dealer test drive and they diagnosed bad bearings in rear differential. Had to replace both pinion bearings, seals, gasket, and lubricant in rear end. This is the 3rd time since 2010 these bearings had to be replaced.

- falbright, PEKIN, IL, US

problem #2

Dec 042013

Avalanche LTZ Vortec 5300 V8

  • Automatic transmission
  • 75,107 miles

Noise in rear end dealer test drove, found noise coming from rear differential. Removed carrier, found side bearings and pin bearings pitted. Replaced side and pin bearings/set backlash and preload-OK. Warranty work with $300 deductible.

- falbright, PEKIN, IL, US

problem #1

Dec 222010

Avalanche LTZ Vortec 5300 V8

  • Automatic transmission
  • 40,070 miles

12/27/2010, had 40,070 miles on vehicle and there was a thumping noise more obvious at slow speeds, had Dealer test drive and found right side bearing in the rear differential was making noise. They replaced both pinion bearings, side bearings, both drive shaft axles and seals. Also rotated tires.

- falbright, PEKIN, IL, US