1991 GMC P3500 Service and Repair Manual
This factory service and repair manual for the 1991 GMC P3500 answers to four body configurations, a two-door standard cargo van, a chassis, a stripped motorhome chassis and a two-door cab and chassis, in Base and Base Stripped form. The engine list is five long and mixes fuels: the turbocharged 3.9L inline-four diesel and the naturally aspirated 6.2L V8 diesel on one side, the 7.4L V8, 4.3L V6 and 5.7L V8 gasoline units on the other. Everything is filed by system, with procedures, specifications, torque values, wiring diagrams and diagnostics kept together.
Engines covered
- 3.9L inline-four (239 cu in) — OHV, turbocharged, diesel
- 7.4L V8 (454 cu in) — OHV, naturally aspirated, gasoline
- 6.2L V8 (379 cu in) — OHV, naturally aspirated, diesel
- 4.3L V6 (262 cu in) — OHV, naturally aspirated, gasoline
- 5.7L V8 (350 cu in) — OHV, naturally aspirated, gasoline
Body styles covered
- 2-door standard cargo van
- Chassis
- Motorhome, stripped chassis
- 2-door cab & chassis
Trims covered
- Base
- Base Stripped
Known issues on the 1991 P3500. Federal records list neither a recall nor an owner complaint for the 1991 P3500. With no documented failures to point at, the honest description of this manual is that it explains how the truck goes together and how to take it apart correctly: engine procedures for all five options, specifications and torque values throughout, and wiring diagrams with diagnostic steps covering the cargo van, the cab and chassis, and the motorhome chassis.
CERTAIN HONEYWELL FRAM RACING BRAND HP4 AND HP8 OIL FILTERS THAT WERE MANUFACTURED FROM MAY 25, 2006, THROUGH SEPTEMBER 14, 2007, AND SOLD FOR USE AS REPLACEMENT EQUIPMENT FOR VEHICLES LIST ABOVE. TH
THIS CONDITION MAY CAUSE INADEQUATE SEALING AND LOSS OF ENGINE OIL, POSSIBLY RESULTING IN A FIRE.
HONEYWELL WILL REPLACE THE AFFECTED OIL FILTERS FREE OF CHARGE. THE RECALL BEGAN DURING NOVEMBER 20
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
