1994 Buick Regal 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.
Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical coverage with wiring diagrams
- Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more
Trims covered
- Gran Sport Sedan 4-Door
- Base Sedan 4-Door
- Custom Coupe 2-Door
- Custom Sedan 4-Door
- Limited Sedan 4-Door
- Gran Sport Coupe 2-Door
Engines covered
- 3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated
- 3.1L 189Cu. In. V6 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
INCORRECT CLEAR FRONT SIDE MARKER BULBS WERE INSTALLED RATHER THAN AMBER BULBS. THIS DOES NOT CONFORM TO THE REQUIREMENTS OF FMVSS NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT."
CONSEQUENCE OF NON-COMPLIANCE: DURING ILLUMINATION, THE BULBS WILL SHOW CLEAR RATHER THAN AMBER AND
DEALERS WILL REPLACE THE CLEAR BULBS WITH THE CORRECT AMBER BULBS.
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
CUSTOMERS MAY COMPLAIN OF GRINDING / SCRAPING / GROANING NOISE FROM REAR SUSPENSION. *TT
Showing the 8 most recent of 37 technical service bulletins on file with NHTSA.
OWNER PURCHESED THE VEHICLE AND GOODYEAR TIRE BLEW OUT. PLEASE DESCRIBE. *AK
THE VEHICLE WILL CONTINUE ACCELERATING WHEN RELEASING THE ACCELERATER PEDAL. TT
WHILE DRIVING 25MPH APPLIED BRAKES AND WAS NOT ABLE TO STOP. STRUCK VEHICLE IN FRONT. UPON IMPACT, AIR BAGS DIDN'T DEPLOY, AND SEAT BELT DIDN'T RETRACT AS QUICKLY AS NEEDED, CAUSING CONSUMER TO H
WHILE DRIVING 25MPH APPLIED BRAKES AND WAS NOT ABLE TO STOP. STRUCK VEHICLE IN FRONT. UPON IMPACT, AIR BAGS DIDN'T DEPLOY, AND SEAT BELT DIDN'T RETRACT AS QUICKLY AS NEEDED, CAUSING CONSUMER TO H
WHILE DRIVING 25MPH APPLIED BRAKES AND WAS NOT ABLE TO STOP. STRUCK VEHICLE IN FRONT. UPON IMPACT, AIR BAGS DIDN'T DEPLOY, AND SEAT BELT DIDN'T RETRACT AS QUICKLY AS NEEDED, CAUSING CONSUMER TO H
Showing the 5 most serious of 146 complaints filed with NHTSA.
