10.0

really awful
Typical Repair Cost:
No data
Average Mileage:
100 miles
Total Complaints:
1 complaints

Most common solutions:

  1. replace busted valve spring (1 reports)
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This problem may be covered under warranty. Ask your Pontiac dealer.

problem #1

Oct 082007

(reported on)

Montana Extended

  • Automatic transmission
  • 100 miles

At less than a week old, it suddenly started running very rough. I pulled in my driveway and popped the hood. The engine was practically jumping up and down. Towed it to the dealer to find out it busted a valve spring. What the heck?

- J S., Albuquerque, NM, US