The service and repair manual for the 1990 GMC Safari — 4.3L V6 and 2.5L I4 engines, 8 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 | 4.3L V6 — OHV 2.5L I4 — 151 cu in, OHV |
| Trims | Base Extended Cargo Van 3-Door · Base Standard Cargo Van 3-Door · SLX Standard Passenger Van 3-Door · SLE Standard Passenger Van 3-Door · SLT Standard Passenger Van 3-Door · SLT Extended Passenger Van 3-Door +2 |
| Federal record | 1 recall · 44 complaints · 6 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1990 Safari manual






03 / ContentsSections in the manual
- Quick Lookups 66
- Engine Performance 745
- Accessories & Equipment 247
- General Information 1,523
- Body & Frame 43
- Heating, Ventilation & A/C (HVAC) 175
- Brakes 162
- Maintenance 46
- Drivelines & Axles 86
- Steering 125
- Electrical 239
- Suspension 44
- Engine Mechanical 218
- Transmission 270
- Mirror Nuts 89
04 / Known issuesRecalls on federal record for the 1990 Safari
- Service Brakes, Hydraulic — foundation components › disc › rotor · 93V119000Separation of the rotor sections can cause loss ofbraking ability in the affected wheel. this could.
Owners have filed 44 complaints and GMC has issued 6 technical service bulletins for the 1990 Safari. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1990 Safari manual
Is this manual specific to the 1990 Safari?
Yes. It is the OEM manual matched to the 1990 model year, covering the 4.3L V6 and 2.5L I4 across the Base Extended Cargo Van 3-Door, Base Standard Cargo Van 3-Door, SLX Standard Passenger Van 3-Door, SLE Standard Passenger Van 3-Door, SLT Standard Passenger Van 3-Door, SLT Extended Passenger Van 3-Door, SLX Extended Passenger Van 3-Door, SLE Extended Passenger Van 3-Door trims. Specifications and procedure sequences are the ones GMC published for this year.
What 1990 Safari problems does it help with?
1 recall is on federal record for the 1990 Safari, 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 GMC dealers.
Does it include 1990 Safari 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 Safari years and 1990 GMC models
1996 Safari · 1995 Safari · 1994 Safari · 1993 Safari · 1992 Safari · 1991 Safari · 1989 Safari · 1988 Safari · 1987 Safari · 1986 Safari · 1985 Safari · all 21 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