1988 GMC Safari Service and Repair Manual
1988 GMC Safari service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Wiring diagrams and electrical sections
- Powertrain, brakes, steering, suspension, HVAC and more
Trims covered
- Base Standard Cargo Van 3-Door
- SLX Standard Passenger Van 3-Door
- SLE Standard Passenger Van 3-Door
- SLT Standard Passenger Van 3-Door
Engines covered
- 4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated
- 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
SEVERE CORROSION DUE TO ROAD SALT AT THE JOINT OF THE STAMPED STEEL CENTER SECTION AND THE CAST OUTER SECTION CAN CAUSE THE SECTIONS TO SEPARATE.
SEPARATION OF THE ROTOR SECTIONS CAN CAUSE LOSS OFBRAKING ABILITY IN THE AFFECTED WHEEL. THIS COULD
REPLACE THE FRONT BRAKE ROTORS WITH NEW ROTORS WITH A CORROSION PROTECTION COATING. HOWEVER, IF REPL
GENERAL MOTORS: ON ALL 1988-2009 FULL SIZE CHEVROLET/GMC PICKUPS, UTILITIES AND VANS, THE BRAKE PEDAL WILL MOVE DOWN OR SELF APPLY DURING FULL LOCK TURNS OR NEAR FULL LOCK TURNS. CHEVROLET ASTRO AND GMC SAFARI VANS; HUMMER 2 ARE INCLUDED. *
DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN. *TT
WINDOW REGULATOR MOTOR DOES NOT FIT. *TT
TRANSMISSION EXTENTION SEAL LEAKS. *TW
THE BOLTS ON THE POWER STEERING BOX SNAPPED OFF. *JB
THE FRONT SEAT BELTS WERE INOPERATIVE. *JB
STEERING WHEEL: DRIVING ALONG AND BUSHINGS FELL OUT OF TILT STEERING WHEEL COUPLING, AND STEERING WHEEL DROPPED IN CONSUMERS LAP. *AK *JB
RECALL REPAIRS DONE ON BROKEN SEAT BOLT, BUT DEALER CHARGED CONSUMER.
(7) OF (8) SEAT BELTS WILL NOT LOCK. BELT IS VERY LOOSE, ALLOWING ALOT OF MOVEMENT AND (1) 0F (8) SEAT BELT BUCKLES DOES NOT LATCH. PROBLEM HAS NOT BEEN CORRECTED. *AK
Showing the 5 most serious of 8 complaints filed with NHTSA.
