1991 GMC G3500 Service & Repair Manual

← 1990All G3500 years1992 →

The service and repair manual for the 1991 GMC G3500 — 7.4L V8 and 6.2L V8 and 4.3L V6 and 5.7L V8 engines, 9 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 year1991
Engines
7.4L V8 — OHV
6.2L V8 — OHV
4.3L V6 — OHV
5.7L V8 — OHV
TrimsVandura Standard Cargo Van 3-Door · Rally Extended Passenger Van 3-Door · Rally STX Extended Passenger Van 3-Door · Rally Camper Special Cutaway Van 2-Door · Rally Standard Passenger Van 3-Door · Vandura Extended Cargo Van 3-Door +3
Federal record1 recall · 0 complaints · 1 technical service bulletins (refreshed 2026-08-21)

02 / InsideSample pages from the 1991 G3500 manual

1991 GMC G3500 service manual page 11991 GMC G3500 service manual page 21991 GMC G3500 service manual page 31991 GMC G3500 service manual page 41991 GMC G3500 service manual page 51991 GMC G3500 service manual page 6

03 / ContentsSections in the manual

  • Quick Lookups 64
  • Engine Performance 1,057
  • Accessories & Equipment 174
  • General Information 1,523
  • Body & Frame 66
  • Heating, Ventilation & A/C (HVAC) 197
  • Brakes 243
  • Maintenance 75
  • Drivelines & Axles 101
  • Steering 125
  • Electrical 154
  • Suspension 87
  • Engine Mechanical 383
  • Transmission 708
  • 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 G3500

  1. Equipment · 07E088000
    This condition may cause inadequate sealing and loss of engine oil, possibly resulting in a fire.

Owners have filed 0 complaints and GMC has issued 1 technical service bulletins for the 1991 G3500. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.

FAQQuestions about the 1991 G3500 manual

Is this manual specific to the 1991 G3500?

Yes. It is the OEM manual matched to the 1991 model year, covering the 7.4L V8 and 6.2L V8 and 4.3L V6 and 5.7L V8 across the Vandura Standard Cargo Van 3-Door, Rally Extended Passenger Van 3-Door, Rally STX Extended Passenger Van 3-Door, Rally Camper Special Cutaway Van 2-Door, Rally Standard Passenger Van 3-Door, Vandura Extended Cargo Van 3-Door, Rally STX Standard Passenger Van 3-Door, Vandura Special Cutaway Van 2-Door, Magnavan Cutaway Van 2-Door trims. Specifications and procedure sequences are the ones GMC published for this year.

What 1991 G3500 problems does it help with?

1 recall is on federal record for the 1991 G3500, covering equipment. 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 1991 G3500 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 G3500 years and 1991 GMC models

1996 G3500 · 1995 G3500 · 1994 G3500 · 1993 G3500 · 1992 G3500 · 1990 G3500 · 1989 G3500 · 1988 G3500 · 1987 G3500 · 1986 G3500 · 1985 G3500 · all 15 years

1991 GMC B6000 · 1991 GMC C1500 · 1991 GMC C1500 Suburban · 1991 GMC C2500 · 1991 GMC C2500 Suburban · 1991 GMC C3500 · 1991 GMC C3500HD · 1991 GMC C5000 Topkick · 1991 GMC C6000 Topkick · 1991 GMC C7000 Topkick · 1991 GMC G1500 · 1991 GMC G2500 · every 1991 model