1986 Buick Park Avenue: common problems

Owners of the 1986 Buick Park Avenue filed 6 complaints with NHTSA, most often about electrical system and equipment. Details by component below, with sources.

Key figures

Owner complaints: 6

What fails most often

1 Electrical system 50% of all complaints
2 Equipment 33% of all complaints
3 Powertrain 33% of all complaints
4 Service brakes 33% of all complaints
5 Engine and cooling 17% of all complaints
6 Fuel system 17% of all complaints
7 Steering 17% of all complaints
8 Structure 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.

Electrical system: 3 complaints (50% of all).
Equipment: 2 complaints (33% of all).
Powertrain: 2 complaints (33% of all).
Service brakes: 2 complaints (33% of all).
Engine and cooling: 1 complaints (17% of all).

Symptoms owners describe

How many of the 6 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).

A/C or heater1 · 17%
smoke, burning smell, fire1 · 17%
stalls while driving1 · 17%
transmission slipping1 · 17%

Components owners complain about

Component	Owner complaints	involving a crash	Technical service bulletins (TSB)
Electrical system	3	0	0
Equipment	2	0	0
Powertrain	2	0	0
Service brakes	2	0	0
Engine and cooling	1	0	0
Fuel system	1	0	0
Steering	1	0	0
Structure	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.

Tl contact owns a 1986 buick park avenue electra. The abs system light began illuminating in september of 2007 and the brake light began illuminating in march of 2008 and remained lit. In addition, the vehicle was leaking brake fluid.
Service brakes · 2008-08-11 · NHTSA complaint #10237637
While driving on highway travelling 55mph pulled into the driveway, and vehicle stopped while motor was still running. Contacted dealer who was not able to help.
Powertrain · 2000-04-05 · NHTSA complaint #859750
The air conditioner would not turn off even when the car was turned off , had to take off the plug to turn off . Now the ac cuts off every once in a while mostly when the blinker goes on and also when the wipers are on. Now ac only blows on low
Equipment · 1999-01-03 · NHTSA complaint #701813
While driving the vehicle, under the hood fire broke out, engine compartment, electrical short, all wiring and hoses burned.
Electrical system · 1996-04-02 · NHTSA complaint #982217
Computer failed, causing vehicle to stall (other vehicle from 483440).
Electrical system · 1995-10-26 · NHTSA complaint #468583

When owners complained

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

19951
19961
19971
19991
20001
20081

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 Park Avenue has 60 complaints (23 years in the data). This year has 6, below average.

What to check before buying

Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.

Questions and answers

What are the most common problems with the 1986 Buick Park Avenue?

Owner complaints to NHTSA most often mention: electrical system, equipment, powertrain. Total complaints: 6. The most frequent symptoms in complaint texts: A/C or heater (17%), smoke, burning smell, fire (17%), stalls while driving (17%).

How many service bulletins (TSB) were issued for the 1986 Buick Park Avenue?

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 Buick Park Avenue 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.