4.0

definitely annoying
Typical Repair Cost:
No data
Average Mileage:
70,000 miles
Total Complaints:
1 complaints

Most common solutions:

  1. not sure (1 reports)
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problem #1

Apr 112007

C/K 1500 LS 4.8L

  • Automatic transmission
  • 70,000 miles

I have the same problem as the others listed. Knock on cold start-up that lasts 2-3 minutes. Truck has 91,000 miles on it and I first noticed this problem at about 65-70000 miles. Been on several forums, changed oils to synthetic 5w-30. Changed filters.

Have had a few other minor problems with this truck, other wise it has been a good truck.

Have not had it to the dealer that I bought it from because they have shrugged off every other problem that I have ever had with this vehicle so I have not been back nor will I be. This is my 3rd and last GM truck!!!!

- Bob G., Dardenne Prairie, MO, US