1986 Pontiac Sunbird: common problems

Owners of the 1986 Pontiac Sunbird filed 6 complaints with NHTSA, most often about engine and cooling and steering. Details by component below, with sources.

Key figures

Owner complaints: 6

What fails most often

1 Engine and cooling 33% of all complaints
2 Steering 33% of all complaints
3 Latches, locks, linkages 17% of all complaints
4 Service brakes 17% of all complaints

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

Engine and cooling: 2 complaints (33% of all).
Steering: 2 complaints (33% of all).
Latches, locks, linkages: 1 complaints (17% of all).
Service brakes: 1 complaints (17% of all).

Engines and transmissions

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

1.8 L · petrol · 4 cyl
1.8 L · petrol · turbo · 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 6 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).

door locks, latches, handles1 · 17%
won't start1 · 17%
rust, corrosion1 · 17%
steering or power steering problems1 · 17%

Components owners complain about

Component	Owner complaints	involving a crash	Technical service bulletins (TSB)
Engine and cooling	2	0	0
Steering	2	0	0
Latches, locks, linkages	1	0	0
Service brakes	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.

Complaint about manfactures need to install brake lines on all vehicles. The consumer is concerned about the rusting of brake lines.
Service brakes · 2004-11-10 · NHTSA complaint #10099361
When consumer tried to start the vehicle it would not start. Vehicle was towed to an auto body shop. A mechanic stated that the lobes on the camshaft were worn out, which is a common problem with this year and model. The problem has not been corrected.
Engine and cooling · 1998-05-19 · NHTSA complaint #823452
The rack and pinion steering will not work in cold weather, excessive effort is needed to operate steering. Tt
Steering · 1995-07-20 · NHTSA complaint #969131

When owners complained

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

19952
19962
19981
20041

Comparison

By complaint count this model year ranks 13,278 of 36,656 model years in the NHTSA data (top 36% most complained about).

On average one model year of the Sunbird has 11 complaints (19 years in the data). This year has 6, below average.

What to check before buying

Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
Steering. Steering play, power assist, rack and tie rods after a wheel impact.
Latches, locks, linkages. Door, hood and tailgate latches, especially near the impact.
Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.

Other years of this model

Questions and answers

What are the most common problems with the 1986 Pontiac Sunbird?

Owner complaints to NHTSA most often mention: engine and cooling, steering, latches, locks, linkages. Total complaints: 6. The most frequent symptoms in complaint texts: door locks, latches, handles (17%), won't start (17%), rust, corrosion (17%).

How many service bulletins (TSB) were issued for the 1986 Pontiac Sunbird?

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 1986 Pontiac Sunbird 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 1986 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 2026-11-05.