The service and repair manual for the 1991 Chevrolet S10 — 2.8L V6 and 4.3L V6 and 2.5L I4 and 3.1L V6 engines, 7 trims. Matched to this exact model year, so the specifications and sequences are the ones Chevrolet published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 1991 |
|---|---|
| Engines | 2.8L V6 — OHV 4.3L V6 — OHV 2.5L I4 — 151 cu in, OHV 3.1L V6 — 191 cu in, OHV |
| Trims | Tahoe Standard Cab Pickup 2-Door · Base Extended Cab Pickup 2-Door · Base Standard Cab Pickup 2-Door · Baja Extended Cab Pickup 2-Door · Baja Standard Cab Pickup 2-Door · Maxi Extended Cab Pickup 2-Door +1 |
| Other 1991 S10 variants | S10 Blazer → |
| Federal record | 1 recall · 253 complaints · 7 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1991 S10 manual






03 / ContentsSections in the manual
- Quick Lookups 65
- Engine Performance 880
- Accessories & Equipment 182
- General Information 1,523
- Body & Frame 46
- Heating, Ventilation & A/C (HVAC) 192
- Brakes 176
- Maintenance 53
- Drivelines & Axles 83
- Steering 154
- Electrical 178
- Suspension 101
- Engine Mechanical 232
- Transmission 622
- Steering Column Support Bracket 22
- Steering Wheel Retaining Nut 30
- Ignition Switch-To-Column Screws 35
- Lock Cylinder Retaining Screw 22
- Turn Signal Switch Screws 35
04 / Known issuesRecalls on federal record for the 1991 S10
- Exterior Lighting — headlights · 08E050000Without the amber side reflex reflectors, the lighting visibility may be affected, possibl.
Owners have filed 253 complaints and Chevrolet has issued 7 technical service bulletins for the 1991 S10. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1991 S10 manual
Is this manual specific to the 1991 S10?
Yes. It is the OEM manual matched to the 1991 model year, covering the 2.8L V6 and 4.3L V6 and 2.5L I4 and 3.1L V6 across the Tahoe Standard Cab Pickup 2-Door, Base Extended Cab Pickup 2-Door, Base Standard Cab Pickup 2-Door, Baja Extended Cab Pickup 2-Door, Baja Standard Cab Pickup 2-Door, Maxi Extended Cab Pickup 2-Door, Tahoe Extended Cab Pickup 2-Door trims. Specifications and procedure sequences are the ones Chevrolet published for this year.
What 1991 S10 problems does it help with?
1 recall is on federal record for the 1991 S10, covering exterior lighting. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Chevrolet dealers.
Does it include 1991 S10 wiring diagrams?
Yes — the complete wiring diagrams for the 1991 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 S10 years and 1991 Chevrolet models
1997 S10 · 1996 S10 · 1995 S10 · 1994 S10 · 1993 S10 · 1992 S10 · 1990 S10 · 1989 S10 · 1988 S10 · 1987 S10 · 1986 S10 · 1985 S10 · all 25 years
1991 Chevrolet Astro · 1991 Chevrolet B60 · 1991 Chevrolet Beretta · 1991 Chevrolet Blazer · 1991 Chevrolet C1500 · 1991 Chevrolet C2500 · 1991 Chevrolet C35 · 1991 Chevrolet C3500 · 1991 Chevrolet C3500HD · 1991 Chevrolet C5500 Kodiak · 1991 Chevrolet C60 Kodiak · 1991 Chevrolet C70 Kodiak · every 1991 model