6.0

fairly significant
Typical Repair Cost:
No data
Average Mileage:
100,000 miles
Total Complaints:
1 complaints

Most Common Solutions:

  1. not sure (1 reports)
2005 GMC Sierra AC / heater problems

AC / heater problem

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2005 GMC Sierra Owner Comments

problem #1

Mar 152008

Sierra 2500 6.6L Diesel

  • Automatic transmission
  • 100,000 miles

A D V E R T I S E M E N T S

after a cold morning arriving at work, I shut off the truck and the heater motor continued blowing on high. key was out of ignition. I pulled a fuse in fuse panel, still nothing. had to pull a 40 amp large fuse under hood. now i only have 3 low speeds and nothing higher but the motor does not stay running when keys are out.

- sleddheadd, Manhattan, IL, US

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