1993 Chevrolet G20 Service and Repair Manual

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Factory-Grade Data

1993 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

1993 Chevrolet G20 Recalls & Complaints

NHTSA #07E08800024/10/2007Component: EQUIPMENT

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

Consequence

THIS CONDITION MAY CAUSE INADEQUATE SEALING AND LOSS OF ENGINE OIL, POSSIBLY RESULTING IN

Remedy

HONEYWELL WILL REPLACE THE AFFECTED OIL FILTERS FREE OF CHARGE. THE RECALL BEGAN DURING N

NHTSA #94V05300023/03/1994Component: WHEELS

THESE VEHICLES WERE EQUIPPED WITH INCORRECT SPARE WHEELS. THE USE OF AN INCORRECT SPARE WHEEL IN A MOUNTED POSITION CAN, UNDER CERTAIN LOAD CONDITIONS, EVENTUALLY CAUSE THE WHEEL T

Consequence

SHOULD THE WHEEL CRACK AND SEPARATE FROM THE VEHICLE, LOSS OF VEHICLE CONTROL CAN OCCUR, R

NHTSA #99I00600019/07/1999Component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED

THIS IS NOT A SAFETY RECALL IN ACCORDANCE WITH THE SAFETY ACT. HOWEVER, IT IS DEEMED A SAFETY IMPROVEMENT CAMPAIGN BY THE AGENCY. VEHICLE DESCRIPTION: CERTAIN LIGHT DUTY PICK

Consequence

THESE VEHICLES CAN EXPERIENCE EXTENDED STOPPING DISTANCES DURING ABS STOPS ON CERTAIN MULT

Remedy

DEALERS WILL MODIFY THE COMPUTER PROGRAM WHICH OPERATES THE ABS UNIT ON SOME VEHICLES, OR

NHTSA #06E04300019/05/2006Component: FUEL SYSTEM, GASOLINE

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

Consequence

THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FU

Remedy

HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGA

NHTSA #94V17700014/09/1994Component: SEATS:FRONT ASSEMBLY:HEAD RESTRAINT

THE FRONT DRIVER AND PASSENGER SEAT BACK HEIGHT DOES NOT CONFORM TO THE REQUIREMENTS OF FMVSS NO. 202, "HEAD RESTRAINTS."

Consequence

CONSEQUENCE OF NON-COMPLIANCE: SEAT OCCUPANTS ARE SUBJECT TO INCREASED RISK OF INJURY IN

Remedy

SHERRY DESIGNS WILL PROVIDE AN ATTACHABLE HEADREST FOR THE DEALER OR CUSTOMER TO ADD TO TH

NHTSA #94V12800011/07/1994Component: INTERIOR LIGHTING

THE TRANSFORMER USED TO POWER THE NEON CENTER LIGHTBEAM CAN OVERHEAT AND CATCH ON FIRE.

Consequence

THE OVERHEATING AND FIRES CAUSED BY THE NEON TRANSFORMER CAN RESULT IN DAMAGE TO THE LIGHT

Remedy

MARK III DEALERS WILL MODIFY THE ASSEMBLIES TO ELIMINATE THE NEON LIGHTING FIXTURE IN THE

No service bulletins No technical service bulletins on file with NHTSA for the 1993 Chevrolet G20.
20010814Component: TIRES:TREAD/BELTCrash reported2 injured

DELTA SIERRA RADIAL P235/75R15, DOT UNKNOWN, REPLACEMENT EQUIPMENT WITH 18000 MILES ON A 1993, CHEVROLET, G20 VAN. WHILE DRIVING 65 MPH LEFT REAR TIRE HAD TREAD SEPARATION. TREAD

19950526Component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITEDCrash reported1 injured

WHILE DRIVING ON A COUNTRY ROAD, APPLIED BRAKES TO AVOID HEAD-ON COLLISION, BRAKES FAILED, VEHICLE SKIDDED, RESULTING IN AN ACCIDENT, 12:OO POSITION. *AK

20000822Component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITEDCrash reported

WHEN BRAKES WERE APPLIED IN AN EMERGENCY SITUATION THEY DID NOT RESPOND AS THEY SHOULD. PEDAL WAS NORMAL, BUT BRAKES GRABBED AND THEN RELEASED. VEHICLE KEPT COASTING INTO VEHIC

19980730Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDERCrash reported

WHILE DRIVING 25 MPH BRAKE MASTER CYLINDER FAILED, CAUSING LOSS OF BRAKING SYSTEM AND VEHICLE CONTROL, RESULTING IN A REAREND ACCIDENT. CAUSE UNKNOWN. *AK

Showing the 4 most serious of 68 complaints filed with NHTSA.

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