1994 Pontiac Grand Prix Service and Repair Manual

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Factory-Grade Data

1994 Pontiac Grand Prix 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 diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical diagnostics with wiring diagrams
  • Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more

Trims covered

  • SE Coupe 2-Door
  • SE Sedan 4-Door

Engines covered

  • 3.1L 189Cu. In. V6 GAS OHV Naturally Aspirated
  • 3.4L 207Cu. In. V6 GAS DOHC 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

1994 Pontiac Grand Prix Recalls & Complaints

NHTSA #07E02100012/03/2007Component: FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES

CERTAIN DELPHI FUEL PRESSURE REGULATORS, P/NOS. FP10020-11B1, FP10026-11B1, AND FP10027-11B1, SOLD AFTER JANUARY 9, 2007, AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES LISTED ABOVE. THE UNI

Consequence

FUEL MAY LEAK, POSSIBLY RESULTING IN A FIRE.

Remedy

DELPHI WILL NOTIFY OWNERS AND REPLACE THE UPR FREE OF CHARGE. THE RECALL BEGAN ON APRIL 23, 2007.

NHTSA #97V01700011/02/1997Component: VISIBILITY:WINDSHIELD WIPER/WASHER:SWITCH/WIRING

SOME OF THESE VEHICLES HAVE A STRAINED OR SEPARATED WASHER/WIPER SWITCH POWER FEED WIRE.

Consequence

THIS CAN CAUSE THE WINDSHIELD WASHER/WIPER TO WORK INTERMITTENTLY AND COULD ULTIMATELY RESULT IN INO

Remedy

DEALERS WILL INSPECT AND REPLACE THE OLD DESIGNED WASHER/WIPER SWITCHES WITH A NEWLY DESIGNED SWITCH

TSB #10170494

This informational bulletin provides information for dealers/technicians on Procedures to Unlock Delco Radio with Theftlock.

TSB #10168979

This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock ce

TSB #10165876

This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock ce

TSB #10141381

This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock c

TSB #10246631

Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules

TSB #10000782

REVISED PISTON PIN REMOVAL / INSTALLATION PROCEDURE. *TT

TSB #619360

SOME OWNERS MAY COMMENT ON DRIVEABILITY SYMPTONS OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE DUE TO CLOGGED FUEL INJECTORS. *TT

TSB #619370

OWNERS OF SOME VEHICLES EQUIPPED WITH HYDRA-MATIC 3T40, 4T60, 4T60-E OR 4T65-E TRANSAXLES MAY COMMENT ON A GRINDING AND / OR GROWLING NOISE THAT IS NOTICEABLE WHEN STANDING IN PARK ON A HILL OR SLOPE WITH THE ENGINE RUNNING AND THE PARKING

Showing the 8 most recent of 41 technical service bulletins on file with NHTSA.

19980825Component: AIR BAGS:FRONTALCrash reported3 injured

AIR BAGS DID NOT DEPLOY DURING A HEAD-ON COLLISION.

19980824Component: AIR BAGSCrash reported3 injured

VEHICLE WAS INVOLVED IN HEAD-ON COLLISION, IMPACT 12:00 POSITION, NEITHER DRIVERS NOR PASSENGERS SIDE AIRGABS DEPLOIED, FRONT PASSENGERS SIDE SEAT BELT FAILED! ALONG WITH STEERING COLUMN SMOKES.

19980824Component: AIR BAGSCrash reported3 injured

VEHICLE WAS INVOLVED IN A HEAD-ON COLLISION, IMPACT 12:00 POSITION, NEITHER DRIVERS NOR PASSENGERS SIDE AIRBAGS DEPLOIED, FRONT PASSENGERS SIDE SEAT BELT FAILED! ALONG WITH STEERING COLUMN SMOKES.

19980812Component: AIR BAGS:FRONTALCrash reported3 injured

STEERING WHEEL INSTALLED INCORRECTLY PROHIBITING AIR BAG TO DEPLOY DURING CRASH AND STEERING COLUMN SMOKES.

19980812Component: STEERING: STEERING WHEEL/HANDLE BARCrash reported3 injured

STEERING WHEEL INSTALLED INCORRECTLY PROHIBITING AIR BAG TO DEPLOY DURING CRASH AND STEERING COLUMN SMOKES.

Showing the 5 most serious of 306 complaints filed with NHTSA.

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