1990 Pontiac Lemans: common problems
Owners of the 1990 Pontiac Lemans filed 25 complaints with NHTSA, most often about seat belts and service brakes. Details by component below, with sources.
Key figures
- Owner complaints
- 25
- involving a crash
- 3
What fails most often
- 1 Seat belts 32% of all complaints
- 2 Service brakes 24% of all complaints
- 3 Powertrain 16% of all complaints
- 4 Electrical system 8% of all complaints
- 5 Engine and cooling 8% of all complaints
- 6 Vehicle speed control 8% of all complaints
- 7 Latches, locks, linkages 4% of all complaints
- 8 Structure 4% of all complaints
- Seat belts: 8 complaints (32% of all).
- Service brakes: 6 complaints (24% of all).
- Powertrain: 4 complaints (16% of all), 2 of them with a crash reported by the owner.
- Electrical system: 2 complaints (8% of all).
- Engine and cooling: 2 complaints (8% of all).
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 1.6 L · petrol · 4 cyl
- 2 L · petrol · 4 cyl
- automatic, 3-speed
- manual, 4-speed
- manual, 5-speed
Drive: FWD
Symptoms owners describe
How many of the 25 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Seat belts | 8 | 0 | 0 |
| Service brakes | 6 | 0 | 0 |
| Powertrain | 4 | 2 | 0 |
| Electrical system | 2 | 0 | 0 |
| Engine and cooling | 2 | 0 | 0 |
| Vehicle speed control | 2 | 2 | 0 |
| Latches, locks, linkages | 1 | 0 | 0 |
| Structure | 1 | 0 | 0 |
| Suspension | 1 | 0 | 0 |
| Visibility | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
When car is in reverse car accelerates . Ttconsumer states without foot being on the pedal.
Unexpected sudden acceleration when shifting automatic transmission into reverse. Tt
This causes the pressure to bulid up/ hoses to bust, and vehicle overheating. Dealer has been contacted.
Comsumer's son was driving vehicle about 40mph when clutch cable broke, leaving vehicle without clutch to shift gear on highway. Took vehicle to dealer, but didn't find any problem.
While driving noticed smoke coming from dash near steering wheel, then suddenly flames came from dash due to an electrical short in wiring harness, vehicle interior was totalled.
The brake caliper will stick in closed position around the brake drum, causing premature wear of the brake pads.
Seat belt buckle failure prior to recall. (attorney for client)
Driver experienced total loss of hydraulic brakes while traveling at 25 mph.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 7,449 of 36,659 model years in the NHTSA data (top 20% most complained about).
On average one model year of the Lemans has 17 complaints (7 years in the data). This year has 25, above average.
What to check before buying
- Seat belts. Belt pretensioners after airbag deployment, SRS codes.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
Other years of this model
Questions and answers
What are the most common problems with the 1990 Pontiac Lemans?
Owner complaints to NHTSA most often mention: seat belts, service brakes, powertrain. Total complaints: 25. The most frequent symptoms in complaint texts: seat belts (20%), overheating, coolant loss (8%), rust, corrosion (4%).
How many service bulletins (TSB) were issued for the 1990 Pontiac Lemans?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 1990 Pontiac Lemans from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 1990 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-06.