6.0

fairly significant
Typical Repair Cost:
No data
Average Mileage:
10,400 miles
Total Complaints:
2 complaints

Most common solutions:

  1. gm recoated the the frame with undercoating (1 reports)
  2. undercoat again (1 reports)
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This problem may be covered under warranty. Ask your GMC dealer.

problem #2

Apr 012015

Sierra 1500 Denali 6.2L V8

  • Automatic transmission
  • 8,000 miles

Got a big old "nope we won't cover that" even though I paid extra for the undercoating at purchase. Apparently the frame isn't covered... slime bags.

- dcarri, Calgary, AB, Canada

problem #1

Oct 042016

Sierra 1500 SLE 5.3L

  • Automatic transmission
  • 12,767 miles

14 month old truck with very bad rust on frame. GM solution cover it up. I have picts. of the original rust

- wineman, Volant, PA, US