6.0

fairly significant
Typical Repair Cost:
No data
Average Mileage:
40,150 miles
Total Complaints:
2 complaints

Most common solutions:

  1. not sure (2 reports)
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problem #2

Jan 042010

Sierra 1500 5.3L

  • Automatic transmission
  • 44,280 miles

Another GM problem that alot of people have and they are aware of that they will do nothing about!

- tmossa, Du Bois, IL, US

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problem #1

Dec 282006

(reported on)

Sierra 1500 SLE 4.8L V8

  • Automatic transmission
  • 36,000 miles

this vehicle has been back to dealer for this same complaint several times & to date only excuses are forthcoming, like acceptable if the knock lasts less than 4 mins, or it's normal. I have never had an engine knock & it be normal.

- Robert K., Watford, Ontario, Canada

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