1986 GMC Jimmy: common problems
Owners of the 1986 GMC Jimmy filed 3 complaints with NHTSA, most often about engine and cooling and service brakes. Details by component below, with sources.
Key figures
- Owner complaints
- 3
What fails most often
- 1 Engine and cooling 33% of all complaints
- 2 Service brakes 33% of all complaints
- 3 Visibility 33% of all complaints
- Engine and cooling: 1 complaints (33% of all).
- Service brakes: 1 complaints (33% of all).
- Visibility: 1 complaints (33% of all).
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 2.5 L · petrol · 4 cyl
- 2.8 L · petrol · 6 cyl
- 5 L · petrol · 8 cyl
- 5.7 L · petrol · 8 cyl
- 6.2 L · diesel · 8 cyl
- automatic, 4-speed
- manual, 4-speed
- manual, 5-speed
Drive: AWD, RWD
Symptoms owners describe
How many of the 3 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) |
|---|---|---|---|
| Engine and cooling | 1 | 0 | 0 |
| Service brakes | 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.
Consumer can be driving at approx 35 mph and goes to step on brakes, noticed that vehicle goes out further, does not stop on time. Pushes brakes to floor, no response. .
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 Jimmy has 119 complaints (23 years in the data). This year has 3, below average.
What to check before buying
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Visibility. Wipers, mirrors, defrosters, cracked glass.
Other years of this model
- Jimmy 19845 sources
- Jimmy 19856 sources
- Jimmy 19876 sources
- Jimmy 198815 sources
- Jimmy 198913 sources
- Jimmy 199011 sources
- Jimmy 1991118 sources
- Jimmy 1992122 sources
- Jimmy 1993216 sources
- Jimmy 1994334 sources
- Jimmy 1995499 sources
- Jimmy 1996407 sources
- Jimmy 1997274 sources
- Jimmy 1998238 sources
- Jimmy 1999137 sources
- Jimmy 2000211 sources
- Jimmy 2001100 sources
- Jimmy 99997 sources
Questions and answers
What are the most common problems with the 1986 GMC Jimmy?
Owner complaints to NHTSA most often mention: engine and cooling, service brakes, visibility. Total complaints: 3. The most frequent symptoms in complaint texts: smoke, burning smell, fire (33%), windows, sunroof (33%).
How many service bulletins (TSB) were issued for the 1986 GMC Jimmy?
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 GMC Jimmy 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.