1990 Pontiac Trans Sport: common problems

Owners of the 1990 Pontiac Trans Sport filed 45 complaints with NHTSA, most often about structure and seat belts. Details by component below, with sources.

Key figures

Owner complaints: 45

What fails most often

1 Structure 33% of all complaints
2 Seat belts 18% of all complaints
3 Engine and cooling 16% of all complaints
4 Visibility 11% of all complaints
5 Seats 9% of all complaints
6 Steering 7% of all complaints
7 Electrical system 4% of all complaints
8 Equipment 4% of all complaints

Circle size and colour show each component’s share of NHTSA complaints. Schematic only, not a drawing of the exact model.

Structure: 15 complaints (33% of all).
Seat belts: 8 complaints (18% of all).
Engine and cooling: 7 complaints (16% of all).
Visibility: 5 complaints (11% of all).
Seats: 4 complaints (9% of all).

Engines and transmissions

US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.

3.1 L · petrol · 6 cyl
automatic, 3-speed

Drive: FWD

Symptoms owners describe

How many of the 45 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).

seat belts8 · 18%
rust, corrosion4 · 9%
door locks, latches, handles3 · 7%
overheating, coolant loss2 · 4%
engine failure or replacement1 · 2%
knocking, grinding or other noise1 · 2%
smoke, burning smell, fire1 · 2%
stalls while driving1 · 2%

Components owners complain about

Component	Owner complaints	involving a crash	Technical service bulletins (TSB)
Structure	15	0	0
Seat belts	8	0	0
Engine and cooling	7	0	0
Visibility	5	0	0
Seats	4	0	0
Steering	3	0	0
Electrical system	2	0	0
Equipment	2	0	0
Fuel system	2	0	0
Service brakes	2	0	0
Latches, locks, linkages	1	0	0
Powertrain	1	0	0
Other	3	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.

Dt: the contact was slowing down to make a turn when the engine cradle malfunctioned due to rust. The engine and transmission nearly fell out of the vehicle. When this happened the steering linkage disconnected and the steering wheel kept turning around. The vehicle has not been repaired.
Structure · 2005-10-31 · NHTSA complaint #10141270
Mounting bolt for driver's seatback sheared off, causing seatback to collapse. I have the damaged bolt and will provide if requested.
Seats · 2001-04-19 · NHTSA complaint #743860
Consumer had an alignment shop to align vehicle, but as the mechanic examined vehicle, he saw subframe on right side was rusted. Before confirming work, consumer contacted pontiac to see if any recalls were on vehicle. Pontiac was polite in saying that vehicle was too old, there was no warranty and no recall.
Structure · 2001-04-11 · NHTSA complaint #885675
Seatbelts in front seats have gone loose. This is a safety issue that ntsa should be concerned with. Seatbelts are mandatory in many states including mine. Pontiac refuses to repair as a recall even though it is a hazard and not a wear and tear issue. Seatbelts should not break, especially the 2 front seatbelts.
Seat belts · 2001-01-09 · NHTSA complaint #738671
Windshield wipers stop when ever. Very very dangerous. 3 replacement parts to no avail.
Visibility · 1999-10-31 · NHTSA complaint #714136
Windshield with two cracks, broken latch on driver's door, broken seat belt, drivers side, one cylinder faulty, struts weak all around, and brakes weak
Visibility · 1999-10-05 · NHTSA complaint #712810
Vehicle was not included in recall (97v058000), repairs could not be done.
Engine and cooling · 1999-09-30 · NHTSA complaint #548527
Ongoing problem with spot(cloudy) appears to grow on the windshield which affecets the visibility. Dealer notified, and informed consume rthat the vehicle was out of warranty. Insurance company informed consume rthat it was a manufacturer's deffect which was not covered by insurance. Can nhtsa help in this matter.
Visibility · 1999-07-21 · NHTSA complaint #842866

When owners complained

NHTSA complaints by filing year. The peak shows at what age the problems show up most.

19955
19969
19975
199810
199910
20001
20014
20051

Comparison

By complaint count this model year ranks 5,632 of 36,659 model years in the NHTSA data (top 15% most complained about).

On average one model year of the Trans Sport has 61 complaints (16 years in the data). This year has 45, below average.

What to check before buying

Structure. Rails, pillars, panel gaps, signs of pulling or welding.
Seat belts. Belt pretensioners after airbag deployment, SRS codes.
Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
Visibility. Wipers, mirrors, defrosters, cracked glass.

Other years of this model

Questions and answers

What are the most common problems with the 1990 Pontiac Trans Sport?

Owner complaints to NHTSA most often mention: structure, seat belts, engine and cooling. Total complaints: 45. The most frequent symptoms in complaint texts: seat belts (18%), rust, corrosion (9%), door locks, latches, handles (7%).

How many service bulletins (TSB) were issued for the 1990 Pontiac Trans Sport?

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 Trans Sport 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.