1999 Pontiac Grand AM Transmission and drivetrain Problems
- Complaints
- 32about this part
- Share
- 4%of 849 total for the year
- Median mileage
- 60,000miles
- Trend
- StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
NHTSA recorded 32 complaints about the transmission and drivetrain of the 1999 Pontiac Grand AM, 4% of the 849 complaints for this model year. Where a mileage was given, the median is 60,000 miles. 1 a fire, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I have owned this car for 3 years after buying it used.it had 32,000 miles on it and ran well. Now for the last year the transmission has continued to give me problems and is getting worse.I have had it serviced, computer diagnosed twice and had it serviced again. All of this has been out of pocket and cost me down time of use of my vehicle.it shifts hard (randomly) , has hard vibration at idle, acts as if it wants to stall and is slow going into reverse. …”
NHTSA complaint #10100975, filed 2004-12, 60,000 miles“I have had to have the following repaired: the fan replaced 2 times, the brakes repaired 4 times, the radio replaced once, the water pump replaced once and the battery replaced twice. I am also having problems with the transmission it has been slipping. The intake gasket needs to replaced because antifreeze is leaking out and one of the lifters is knocking. Most of these problems started at about 30,000 miles and gradually there was just one problem after another. …”
NHTSA complaint #10000556, filed 2003-01, 30,000 miles“In august of 2001 when I purchased this car I felt a rattle on my brakes which is still there. My power windows are scratched from rolling up and down. Paint around the spoiler and bumper and on the roof is chiped off. I had to replace the generator in 2002. I had to have the intake manifold seals replaced in 2002. (3.4l v6) I had to have the waterpump replaced in spring of 2003. Now the head gaskets are broken the intake manifold seals again are broken. My transmission is no longer working. In other words I can not drive my car anymore; it is sitting my garage. …”
NHTSA complaint #10070454, filed 2004-01, 81,000 miles“1999 Pontiac Grand Am 2.4 l auto severe brake failure---replacement of pads 8 times, rotors 3 times and calipers 2 times in 80,000 miles. Brakes occasionally lock up and make loud grinding and squealing noises steering shudders and vehicle pulls to left.. Participating Pontiac dealer failed to fix this problem since purchase at 11,000 miles. …”
NHTSA complaint #10023794, filed 2003-06, 11,000 miles“Medal shavings in transmissions had problem under warretey and was fix, we think,should not have to pay for this problem when we believe the problem was never fix right the first time. We'll never ever will own a pontic again and will be getting rid of it if we can and will not talk very well of any Pontiac .”
NHTSA complaint #766292, filed 2002-08Related service bulletins
- 10115081Nov 2, 2015This Preliminary Information communication provides information to the technician about cooler line fittings that come with the 4T65E General Motors remanufactured transmission…
- 10023942Oct 1, 2007Information on 4t40-e (mn4) and 4t45-e (mn5) front wheel drive automatic transmission valve body reconditioning, dtc p0741, p0742, p0751, p0752, p0756, p0757, p1811, harsh…
- 10017096Oct 24, 2005Vehicle will not move in either direction. Transmission may show over full. P90 4t40e 4t45e no movement drive or reverse. Converter may be empty of fluid.
- 10017086Oct 24, 20054t40e or 4t45e will not shift no diagnostic trouble codes.
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2005 | 2 | 2% |
| 2004 | 11 | 4% |
| 2003 | 6 | 2% |
| 2002 | 13 | 3% |
| 2001 | 12 | 2% |
| 2000 | 17 | 3% |
| 1999 | 32 | 4% |
| 1998 | 13 | 8% |
| 1997 | 22 | 6% |
| 1996 | 33 | 7% |
| 1995 | 33 | 8% |
| 1994 | 22 | 6% |
| 1993 | 19 | 9% |
| 1992 | 16 | 10% |
| 1991 | 5 | 6% |
| 1990 | 7 | 18% |
| 1989 | 2 | 5% |
| 1988 | 1 | 3% |
| 1987 | 3 | 11% |
| 1986 | 1 | 9% |
Other parts of the 1999 Pontiac Grand AM
219 complaintsEngine cooling
133 complaintsElectrical system
132 complaintsSuspension
107 complaintsVisibility (wipers, defrost, mirrors)
89 complaintsAir bags
76 complaintsSteering
70 complaintsExterior lighting
68 complaintsBody and structure
45 complaintsFuel system
41 complaintsEquipment
33 complaintsOther or unknown
33 complaints
← All problems reported for the 1999 Pontiac Grand AM
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology