4.0

definitely annoying
Typical Repair Cost:
No data
Average Mileage:
55,000 miles
Total Complaints:
1 complaints

Most common solutions:

  1. not sure (1 reports)
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problem #1

Jun 012011

Sierra 1500 Denali 6.2L V8

  • Automatic transmission
  • 55,000 miles

Without warning, when using the A/C, half of the truck will blow heat. I have to turn off the truck and restart it to get that half to blow cool again.

- czbm, Jacksonville Beach, FL, US

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