The service and repair manual for the 1986 Jeep J20 — the 5.9L V8 engine, 1 trim. Matched to this exact model year, so the specifications and sequences are the ones Jeep published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 1986 |
|---|---|
| Engines | 5.9L V8 — OHV |
| Trims | Base Standard Cab Pickup |
| Federal record | 1 recall · 0 complaints · 0 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1986 J20 manual






03 / ContentsSections in the manual
- Quick Lookups 54
- Engine Performance 500
- Accessories & Equipment 133
- General Information 1,356
- Body & Frame 35
- Heating, Ventilation & A/C (HVAC) 98
- Brakes 79
- Maintenance 39
- Drivelines & Axles 92
- Steering 114
- Electrical 132
- Suspension 17
- Engine Mechanical 132
- Transmission 228
- Cherokee & Wagoneer 25
04 / Known issuesRecalls on federal record for the 1986 J20
- Service Brakes, Hydraulic — fluid · 85V140000Certain of these vehicles may have been built with contaminated brake fluid.
Owners have filed 0 complaints and Jeep has issued 0 technical service bulletins for the 1986 J20. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1986 J20 manual
Is this manual specific to the 1986 J20?
Yes. It is the OEM manual matched to the 1986 model year, covering the 5.9L V8 across the Base Standard Cab Pickup trims. Specifications and procedure sequences are the ones Jeep published for this year.
What 1986 J20 problems does it help with?
1 recall is on federal record for the 1986 J20, covering service brakes, hydraulic. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Jeep dealers.
Does it include 1986 J20 wiring diagrams?
Yes — the complete wiring diagrams for the 1986 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $29.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.
RelatedOther J20 years and 1986 Jeep models
1988 J20 · 1987 J20 · 1985 J20 · 1984 J20 · 1983 J20 · 1982 J20 · all 7 years
1986 Jeep CJ7 · 1986 Jeep Cherokee · 1986 Jeep Comanche · 1986 Jeep Grand Wagoneer · 1986 Jeep J10 · 1986 Jeep Scrambler · 1986 Jeep Wagoneer · every 1986 model