September 13: Illegal Airbags From China Have Killed 11 Drivers news | 7 days ago
August 26: GM Hard Brake Pedals Investigated in 1,164,820 Vehicles investigations | 25 days ago
August 24: GM Engine Failure Investigation Includes Nearly 1 Million Vehicles investigations | 27 days ago
July 18: GM Class Action Lawsuit Focuses on Radiator Hose Connector news | 64 days ago
July 11: Wrongful Death Lawsuit Blames Both Chrysler and GM news | 71 days ago
6.0
fairly significant- Typical Repair Cost:
- $1,100
- Average Mileage:
- 41,850 miles
- Total Complaints:
- 1 complaints
Most Common Solutions:
- replace head gasket (1 reports)
engine problem
Helpful websites
- No one has added a helpful site for this 2004 Monte Carlo problem yet. Be the first!





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