1991 GMC G2500 Service & Repair Manual

← 1990All G2500 years1992 →

The service and repair manual for the 1991 GMC G2500 — 5.0L V8 and 6.2L V8 and 4.3L V6 and 5.7L V8 engines, 4 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
5.0L 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 · Vandura Extended Cargo Van 3-Door
Federal record2 recalls · 0 complaints · 1 technical service bulletins (refreshed 2026-08-21)

02 / InsideSample pages from the 1991 G2500 manual

1991 GMC G2500 service manual page 11991 GMC G2500 service manual page 21991 GMC G2500 service manual page 31991 GMC G2500 service manual page 41991 GMC G2500 service manual page 51991 GMC G2500 service manual page 6

03 / ContentsSections in the manual

  • Quick Lookups 63
  • 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 153
  • Suspension 71
  • Engine Mechanical 383
  • Transmission 709
  • 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 G2500

  1. Equipment · 07E088000
    This condition may cause inadequate sealing and loss of engine oil, possibly resulting in a fire.
  2. Fuel System, Gasoline · 06E043000
    This condition may cause an inadequate seal at the connection, potentially leading to a fuel leak. i.

Owners have filed 0 complaints and GMC has issued 1 technical service bulletins for the 1991 G2500. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.

FAQQuestions about the 1991 G2500 manual

Is this manual specific to the 1991 G2500?

Yes. It is the OEM manual matched to the 1991 model year, covering the 5.0L 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, Vandura Extended Cargo Van 3-Door trims. Specifications and procedure sequences are the ones GMC published for this year.

What 1991 G2500 problems does it help with?

2 recalls are on federal record for the 1991 G2500, covering equipment, fuel system, gasoline. 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 G2500 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 G2500 years and 1991 GMC models

1995 G2500 · 1994 G2500 · 1993 G2500 · 1992 G2500 · 1990 G2500 · 1989 G2500 · 1988 G2500 · 1987 G2500 · 1986 G2500 · 1985 G2500 · all 14 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 G3500 · every 1991 model