1990 Chevrolet C1500 Service and Repair Manual
1990 Chevrolet C1500 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
- Scottsdale Standard Cab Pickup 2-Door
- Cheyenne Standard Cab Pickup 2-Door
- Base Standard Cab Pickup 2-Door
- Silverado Standard Cab Pickup 2-Door
- Silverado Extended Cab Pickup 2-Door
- 454 SS Standard Cab Pickup 2-Door
- WT Standard Cab Pickup 2-Door
- Cheyenne Extended Cab Pickup 2-Door
- Scottsdale Extended Cab Pickup 2-Door
Engines covered
- 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
- 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated
- 6.2L 379Cu. In. V8 DIESEL OHV Naturally Aspirated
- 4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated
- 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
- 4.1L 4098CC 250Cu. In. l6 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
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
TRUCKS CAN CONTAIN INCORRECT INSTRUCTIONS ON HOW TO PROPERLY ADJUST REAR SEAT LAP-SHOULDER BELTS AS REQUIRED BY FMVSS 209.
INCORRECTLY ADJUSTED SEAT BELT WOULD NOT PROPERLYRESTRAIN OCCUPANT IN AN ACCIDENT OF SUDDE
PROVIDE OWNER'S MANUAL INSERT CONTAINING THE CORRECT REAR LAP-SHOULDER BELT INSTRUCTIONS.
SOME CUSTOMERS MAY COMMENT ON FRONT DOOR HINGE PIN BUSHING WEAR, FRONT DOOR SAG, OR DOOR CHUCKING MOVEMENT IN EXTREME OPERATING CONDITIONS. *TT
CONSUMER WAS AT A COMPLETE STOP WHEN VEHICLE'S ENGINE DIED. HE WAS ABLE TO START IT AGAIN, AS SOON AS IT IDLED IT SHUT OFF AGAIN. CONSUMER POPPED HOOD AND SAW THAT THERE WERE FLA
TL*THE CONTACT OWNS A 1990 CHEVROLET C1500. THE CONTACT STATED THAT THE CABLE UNDERNEATH THE VEHICLE THAT HOLDS THE SPARE TIRE WAS CORRODED. AS A RESULT, THE TIRE FELL FROM THE V
1990 CHEVY C1500 1/2 TON STEPSIDE PICKUP TRUCK. GENERAL GRABBER AP TIRES. SIZE 235/75/R15 M+S MADE IN MEXICO OTHER NUMBERS ON TIRE:OK-47410 P5501 25855 021943. 147,300 MILES
1990 CHEVY C1500 1/2 TON STEPSIDE PICKUP TRUCK. GENERAL GRABBER AP TIRES. SIZE 235/75/R15 M+S MADE IN MEXICO OTHER NUMBERS ON TIRE:OK-47410 P5501 25855 021943. 147,300 MILES
Showing the 4 most serious of 25 complaints filed with NHTSA.
