10.0

really awful
Typical Repair Cost:
$1,300
Average Mileage:
74,850 miles
Total Complaints:
2 complaints

Most common solutions:

  1. replace head gasket (1 reports)
  2. replace upper & lower intake manifold gaskets, head gasket (1 reports)
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problem #2

Apr 012016

Monte Carlo LT 3.5L

  • Automatic transmission
  • 108,000 miles

Engine hot A/C Off - Replacing the thermostats won't help (did that 5x's). Replaced intake manifold gaskets (upper & lower) & head gasket since don't want to do that later, as intake manifold would have to come apart again. Problem solved. Lots of money spent. $800 was for parts only, as I had a friend do the repair.

- sharkieme, Lake Villa, IL, US

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problem #1

Feb 012009

Monte Carlo LT 3.5L V6

  • Automatic transmission
  • 41,700 miles

Head gasket is leaking oil badly at 41,700 miles with a cost to repair over $1,500. This is completely unacceptable, no car should have a head gasket leaking oil at this mileage and of course it is just out of warranty.

- spfoutz, Bettendorf, IA, US

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