1986 Buick Estate: common problems
Owners of the 1986 Buick Estate filed 3 complaints with NHTSA, most often about service brakes. Details by component below, with sources.
Key figures
- Owner complaints
- 3
What fails most often
- Service brakes: 3 complaints (100% of all).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Service brakes | 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.
Currently own 1986 buick estate equipped with "power master" brake unit. This is the original factory brake unit for this automobile. The pressure switch developed a crack, allowing the brake fluid to be pumped out.
Consumer states while depressing the brakes to make a stop the vehicle contacted to travel. Please provide further information.
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 17,150 of 36,656 model years in the NHTSA data (top 47% most complained about).
On average one model year of the Estate has 2 complaints (4 years in the data). This year has 3, above average.
What to check before buying
- 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 Buick Estate?
Owner complaints to NHTSA most often mention: service brakes. Total complaints: 3.
How many service bulletins (TSB) were issued for the 1986 Buick Estate?
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 Estate 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.