The service and repair manual for the 1990 GMC Jimmy — 6.2L V8 and 5.7L V8 engines, 2 trims. Matched to this exact model year, so the specifications and sequences are the ones GMC published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 1990 |
|---|---|
| Engines | 6.2L V8 — OHV 5.7L V8 — OHV |
| Trims | Sierra Classic Sport Utility 2-Door · Base Sport Utility 2-Door |
| Federal record | 1 recall · 15 complaints · 5 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1990 Jimmy manual






03 / ContentsSections in the manual
- Quick Lookups 65
- Engine Performance 814
- Accessories & Equipment 229
- General Information 1,523
- Body & Frame 30
- Heating, Ventilation & A/C (HVAC) 176
- Brakes 223
- Maintenance 52
- Drivelines & Axles 79
- Steering 121
- Electrical 240
- Suspension 53
- Engine Mechanical 249
- Transmission 298
- Steering Column Support Bracket 22
- Steering Wheel Retaining Nut 30
- Ignition Switch-To-Column Screws 35
- Lock Cylinder Retaining Screw 40
- Turn Signal Switch Screws 35
04 / Known issuesRecalls on federal record for the 1990 Jimmy
- Exterior Lighting · 06E026000Without the amber reflectors, the vehicle will be poorly illuminated, possibly resulting in a vehicl.
Owners have filed 15 complaints and GMC has issued 5 technical service bulletins for the 1990 Jimmy. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1990 Jimmy manual
Is this manual specific to the 1990 Jimmy?
Yes. It is the OEM manual matched to the 1990 model year, covering the 6.2L V8 and 5.7L V8 across the Sierra Classic Sport Utility 2-Door, Base Sport Utility 2-Door trims. Specifications and procedure sequences are the ones GMC published for this year.
What 1990 Jimmy problems does it help with?
1 recall is on federal record for the 1990 Jimmy, covering exterior lighting. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by GMC dealers.
Does it include 1990 Jimmy wiring diagrams?
Yes — the complete wiring diagrams for the 1990 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 Jimmy years and 1990 GMC models
1996 Jimmy · 1995 Jimmy · 1994 Jimmy · 1993 Jimmy · 1992 Jimmy · 1991 Jimmy · 1989 Jimmy · 1988 Jimmy · 1987 Jimmy · 1986 Jimmy · 1985 Jimmy · 1984 Jimmy · all 24 years
1990 GMC B6000 · 1990 GMC C1500 · 1990 GMC C1500 Suburban · 1990 GMC C2500 · 1990 GMC C2500 Suburban · 1990 GMC C3500 · 1990 GMC C5000 · 1990 GMC C5000 Topkick · 1990 GMC C6000 · 1990 GMC C6000 Topkick · 1990 GMC C7000 · 1990 GMC C7000 Topkick · every 1990 model