1990 Chevrolet P30 Service and Repair Manual

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Factory-Grade Data

1990 Chevrolet P30 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

  • Step-Van Delivery Van 2-Door
  • Base Stripped Chassis
  • Base Motorhome - Stripped Chassis

Engines covered

  • 3.9L 239Cu. In. l4 DIESEL OHV Turbocharged
  • 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

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

1990 Chevrolet P30 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 #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 #90V02900012/02/1990Component: SEATS

SEAT PEDESTALS FOR DRIVER AND PASSENGERS MAY HAVE A LARGER THAN SPECIFIED SLOT IN THE CENTER CHANNEL.

Consequence

SEAT PEDESTAL MAY NOT MEET LOADING REQUIREMENTS OF FMVSS 210.

Remedy

REPLACE SEAT PEDESTALS WITH PEDESTALS HAVING PROPER SLOT SIZE.

No service bulletins No technical service bulletins on file with NHTSA for the 1990 Chevrolet P30.
20161104Component: SERVICE BRAKES

RE: NHTSA CAMPAIGN ID NUMBER: 91V123000 FOR MY 1990 CHEVROLET P3 I HAVE SPENT SEVERAL DAYS ON THE PHONE WITH GM AND GOTTEN NO HELP. MY VEHICLE IS AT A GM DEALERSHIP IN PHOENIX AND

20161104Component: WHEELS

RE: NHTSA CAMPAIGN ID NUMBER: 91V123000 FOR MY 1990 CHEVROLET P3 I HAVE SPENT SEVERAL DAYS ON THE PHONE WITH GM AND GOTTEN NO HELP. MY VEHICLE IS AT A GM DEALERSHIP IN PHOENIX AND

19990802Component: PARKING BRAKE:CONVENTIONAL:MECHANICAL:LINKAGE AND CABLE

CONSUMER PUT THE VEHICLE INTO PARK AND THE EMERGENCY BRAKE WON'T RELEASE UNLESS THE CONSUMER PUT VEHICLE INTO DRIVE, WILL NOT RELEASE WHEN PUT IN REVERSE. THERE IS A LEAKAGE, AND

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