2003 Chevrolet Monte Carlo power train problems
11 owner complaints filed with NHTSA name the power train on the 2003 Chevrolet Monte Carlo — 7% of all complaints for this model year.
What owners report
“My 2003 monte ss had been smoking and having problems accelerating & shifting and put on testers and read code and I needed a air flow sensor so I had that put on, was recommended I get tune up so I got that, and had just put new battery in the car. The following day after putting gas in the car I…”
filed Sep 13, 2014
“Very common problem with transmissions in the 2000-2005 impala and monte carlo models. Transmission makes going in motion from a stop delayed. Transmission has been serviced on/replaced twice. Has caused a minor accident only because both parties were going slow. *tr”
filed Apr 9, 2014
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This…
24-NA-141 · Service Bulletin/Repair Instructions · issued Jul 24, 2024
Power Train problems in other Monte Carlo years
| Year | Reports | Share |
|---|---|---|
| 2007 Monte Carlo | 12 | 29% |
| 2006 Monte Carlo | 27 | 24% |
| 2005 Monte Carlo | 3 | 3% |
| 2004 Monte Carlo | 3 | 1% |
| 2002 Monte Carlo | 7 | 3% |
| 2001 Monte Carlo | 17 | 6% |
| 2000 Monte Carlo | 14 | 6% |
| 1999 Monte Carlo | 7 | 6% |
| 1998 Monte Carlo | 3 | 3% |
| 1997 Monte Carlo | 8 | 5% |
| 1996 Monte Carlo | 10 | 6% |
| 1995 Monte Carlo | 25 | 15% |
Other reported problem areas on the 2003 Chevrolet Monte Carlo
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.