6.0

fairly significant
Typical Repair Cost:
$1,100
Average Mileage:
41,850 miles
Total Complaints:
1 complaints

Most common solutions:

  1. replace head gasket (1 reports)
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problem #1

Oct 012007

(reported on)

Monte Carlo LS 3.4L V6

  • Automatic transmission
  • 41,825 miles

GM uses a coolant that destroys the seals. My car is 5000 miles past my warranty and my engine needs significant repairs due to this engineering oversight.

- Dan C., New Kensington, PA, US

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