1987 Chevrolet G20 Service and Repair Manual

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Factory-Grade Data

1987 Chevrolet G20 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

  • Sportvan Extended Passenger Van 3-Door
  • Beauville Extended Passenger Van 3-Door
  • Chevy Van Standard Cargo Van 3-Door
  • Chevy Van Extended Cargo Van 3-Door

Engines covered

  • 5.0L 305Cu. 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

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

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Vehicle Safety Data

1987 Chevrolet G20 Recalls & Complaints

NHTSA #88V01600009/02/1988Component: FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP

FUEL TANK LOWER FILLER PIPE MAY CONTAIN SMALL HOLES AT SOME SPOT WELDS USED TO ATTACH A MOUNTING BRACKET.

Consequence

FUEL COULD LEAK FROM THE PIPE DURING REFUELING ORTURNING AND SPILL FUEL IN EXCESS OF AMOUN

Remedy

REPLACE FUEL TANK LOWER FILLER PIPE.

No service bulletins No technical service bulletins on file with NHTSA for the 1987 Chevrolet G20.
20001123Component: TIRES:TREAD/BELTFire reported

TIRES IN LIKE NEW CONDITION TWO REAR TIRES LOST TREAD, NOT BLOWING BUT TREAD PEELING SIMLER TO FIRE STONE PROBLEM. ARE TIRES SAFE TO USE? *AK (DOT NUMBER: DORAMHV316 TIRESIZE: L

20000627Component: STRUCTURE:BODY:DOOR1 injured

I HAVE SMALL CHIDREN WHO COULD NOT GET OUT OF THIS DOOR IN CASE OF EMERGENCY. *AK

20020331Component: STEERING:COLUMN

STEERING COLUMN HAS GRADUALLY LOOSENED AT THE TILT MECHINISIM UNTIL THE WHEEL IS VERY LOOSE. *AK

20010116Component: ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD

WAS TRAVELING 60 MPH & STARTED TO SMELL SOMETHING BURNING. ODOR/SMOKE WENT AWAY. AFTER STOPPING VEHICLE, CHECKED UNDER HOOD AND NOTICED PLASTIC HOUSING HAD BURNED IN HALF. HOSE

Showing the 4 most serious of 10 complaints filed with NHTSA.

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