Leaking Heater Core

8.0

pretty bad
Typical Repair Cost:
No data
Average Mileage:
303,768 miles
Total Complaints:
1 complaints

Most Common Solutions:

  1. not sure (1 reports)
1997 GMC Sierra 1500 cooling system problems

cooling system problem

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1997 GMC Sierra 1500 Owner Comments

problem #1

Mar 032009

Sierra 1500 SLE 5.7L

  • Automatic transmission
  • 303,768 miles

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

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.

- , Roland, AR, USA

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