pretty bad
Typical Repair Cost:
No data
Average Mileage:
303,800 miles
Total Complaints:
1 complaints

Most common solutions:

  1. not sure (1 reports)
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problem #1

Mar 032009

Sierra 1500 SLE 5.7L

  • Automatic transmission
  • 303,768 miles

I have put 4 heater cores in my truck in the last year and it is still leaking! Someone finally told me at napa that the antifreeze is charged with to much voltage. I need instructions on how to neutalize the system.

- georgeferguson, Roland, AR, US