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
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
FUEL MAY LEAK, POSSIBLY RESULTING IN A FIRE.
DELPHI WILL NOTIFY OWNERS AND REPLACE THE UPR FREE OF CHARGE. THE RECALL BEGAN ON APRIL 23, 2007.
SOME OF THESE VEHICLES HAVE A STRAINED OR SEPARATED WASHER/WIPER SWITCH POWER FEED WIRE.
THIS CAN CAUSE THE WINDSHIELD WASHER/WIPER TO WORK INTERMITTENTLY AND COULD ULTIMATELY RESULT IN INO
DEALERS WILL INSPECT AND REPLACE THE OLD DESIGNED WASHER/WIPER SWITCHES WITH A NEWLY DESIGNED SWITCH
This informational bulletin provides information for dealers/technicians on Procedures to Unlock Delco Radio with Theftlock.
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
REVISED PISTON PIN REMOVAL / INSTALLATION PROCEDURE. *TT
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
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
SOME VEHICLES MAY EXHIBIT FRONT SUSPENSION SCRUNCH / POPPING TYPE NOISE COMING FROM THE FRONT OF VEHICLE THAT IS APPARENT DURING LOW SPEED TURNING MANEUVERS. *TT
SOME V6 ENGINES MAY, ON A VERY INFREQUENT BASIS, HAVE AN OIL ODOR CONDITION THAT IS GENERALLY ENCOUNTERED AFTER THE ENGINE'S OIL HAS BEEN CHANGED.TYPICALLY THE ODOR LASTS APPROXIMATELY 1000 MILES AFTER THE CHANGE OF OIL AND THEN DOES NOT RE
SOME VEHICLES EQUIPPED WITH HYDRA-MATIC 3T40, 4T60 OR 4T60-E TRANSXALES MAY COMMENT ON A GRINDING AND / OR GROWLING NOISE THAT IS NOTICEABLE WHEN IN PARK ON INCLINE. *TT
Showing the 8 most recent of 38 technical service bulletins on file with NHTSA.
AIR BAGS DID NOT DEPLOY DURING A HEAD-ON COLLISION.
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.
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.
STEERING WHEEL INSTALLED INCORRECTLY PROHIBITING AIR BAG TO DEPLOY DURING CRASH AND STEERING COLUMN SMOKES.
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.
