1991 Chevrolet G30 Service and Repair Manual
This factory service and repair manual for the 1991 Chevrolet G30 sets four naturally aspirated overhead-valve engines against six bodies and four trims. The engines are a 4.3L V6 of 262 cubic inches, a 5.7L V8 of 350, a 7.4L V8 of 454 and a 6.2L diesel V8 of 379; the bodies are passenger and cargo vans in standard and extended length plus two cutaway forms; the trims are Beauville, Chevy, Hi-Cube and Sportvan. Each combination is given its own specifications rather than a generic figure.
Engines covered
- 7.4L V8 (454 cu in) — OHV, naturally aspirated, gasoline
- 6.2L V8 (379 cu in) — OHV, naturally aspirated, diesel
- 5.7L V8 (350 cu in) — OHV, naturally aspirated, gasoline
- 4.3L V6 (262 cu in) — OHV, naturally aspirated, gasoline
Body styles covered
- 3-door standard passenger van
- 2-door van cutaway van
- 3-door extended passenger van
- 3-door van standard cargo van
- 3-door van extended cargo van
- 2-door cutaway van
Trims covered
- Beauville
- Chevy
- Hi-Cube
- Sportvan
Known issues on the 1991 G30. The federal record for this model year is clean, with no recalls issued and no owner complaints logged. The manual is consequently the whole of the reference: engine mechanical, lubrication and cooling procedures for three gasoline engines and one diesel; fuel, ignition and emissions diagnostics; transmission, driveshaft and axle service; brake hydraulic, steering and suspension specifications with the torque values that go with them; and wiring diagrams drawn body by body so a circuit can be traced end to end.
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 VEHI
THIS CONDITION MAY CAUSE INADEQUATE SEALING AND LOSS OF ENGINE OIL, POSSIBLY RESULTING IN
HONEYWELL WILL REPLACE THE AFFECTED OIL FILTERS FREE OF CHARGE. THE RECALL BEGAN DURING N
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
THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FU
HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGA
SEAT BACK OF THE REAR BENCH SEAT MAY BREAK AWAY FROM THE SEAT CUSHION IN AN ACCIDENT.
SEAT OCCUPANT WOULD BE SUBJECT TO GREATER INJURY; VEHICLEWOULD NOT COMPLY WITH FMVSS 207.
INSTALL REINFORCEMENT THAT RUNS FROM SIDE OF SEAT BACK FRAME ASSEMBLY TO SEAT CUSHION FRAM
