1988 GMC G2500 Service and Repair Manual
This factory service and repair manual for the 1988 GMC G2500 works through a van that could leave the plant with any of four overhead-valve engines, a 4.3L V6, a 5.0L V8, a 5.7L V8 or a 6.2L diesel V8, all naturally aspirated, and in any of three 3-door bodies, standard cargo, extended cargo or extended passenger. Rally, Rally STX and Vandura account for the trims. The procedures, specifications, torque values, wiring diagrams and diagnostics are organized so the correct figures for a given engine and body are quick to reach.
Engines covered
- 5.0L V8 (305 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
- 3-door standard cargo van
- 3-door extended passenger van
- 3-door extended cargo van
Trims covered
- Rally
- Rally STX
- Vandura
Known issues on the 1988 G2500. No recalls are on the federal record for the 1988 G2500 and no owner complaints are logged with NHTSA, which makes this a clean year. The manual therefore does the ordinary job: fuel and ignition specifications for the gasoline V6 and V8s, service procedures written specifically for the 6.2L diesel, torque values for the brakes, axles, steering and suspension, and wiring diagrams for the lighting and charging circuits of a working van, each with the diagnostics that make sense of a fault when one turns up.
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
CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURE
THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FUEL LEAK. I
HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOB
