1990 Chevrolet Suburban 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 Sport Utility 4-Door
Engines covered
- 5.7L 350Cu. In. V8 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. T
REPLACE THE FRONT BRAKE ROTORS WITH NEW ROTORS WITH A CORROSION PROTECTION COATING. HOWEVE
DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN. *TT
DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT
COLD ENGINE KNOCK. *TW
NEW CAST IRON EXHAUST MANIFOLD AND STAINLESS STEEL GASKET TO CORRECT ENGINE NOISE CONDITION. *TW
I WAS ENTERING THE I-205 SOUTHBOUND ON RAMP OFF OF MILL PLAIN BLVD IN VANCOUVER, WA WHEN THE DRIVER OF THE CAR IN FRONT OF ME SUDDENLY APPLIED HER BRAKES. I ATTEMPTED TO APPLY MY B
WHILE DRIVING THE DRIVER'S SIDE SEAT BOLT BROKE, CAUSING THE SEAT TO FALL BACKWARD, RESULTING IN AN ACCIDENT. *AK
DRIVING AT HIGHWAY SPEED AND PULLING A TRAILOR, VEHICLE LOST POWER WHEN ACCELERATING, AND THEN FIRE STARTED NEAR FIREWALL OF RIGHT HAND SIDE OF ENGINE, RESULTING IN TOTAL LOSS OF
TRANSMISSION CAUGHT ON FIRE DUE TO LEAKING OF TRANSMISSION FLUID.
Showing the 4 most serious of 67 complaints filed with NHTSA.
