1988 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
- Custom Coupe 2-Door
- Limited Coupe 2-Door
Engines covered
- 2.8L 173Cu. 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
AN INTERFERENCE BETWEEN THE TRANSMISSION SHIFT CABLE AND THE BELLCRANK CLIP IN THE STEERING COLUMN CAN RESULT IN DISENGAGEMENT OF THE TRANSMISSION CABLE.
THIS CONDITION COULD ALLOW THE TRANSMISSION TO BE IN AGEAR OTHER THAN THAT DISPLAYED BY THE SHIFT IN
A NEWLY DESIGNED BELLCRANK CLIP WILL BE INSTALLED.
THE STOP LAMP SWITCH MAY HAVE A LOOSE ELECTRICAL CONTACT. THE LOOSE CONTACT CAN OVERHEAT AND MELT THE SURROUNDING PLASTIC CAUSING THE CONTACT TO STICK OPEN.
AN OPEN CONTACT WOULD RENDER THE BRAKE LIGHTS INOPERATIVEWHEN THE BRAKE PEDAL IS DEPRESSED. ALSO, T
THE ROTARY SOPLAMP SWITCH WILL BE REPLACED ON ALL INVOLVED VEHICLES.
THE SECONDARY HOOD LATCH MAY NOT PROPERLY ENGAGE.
IF PRIMARY LATCH DISENGAGES, HOOD COULD UNEXPECTEDLYOPEN. IF CAR WAS IN MOTION, HOOD COULD CONTACT
REPLACE SECONDARY LATCH WITH A NEW LATCH.
LOWER CONTROL ARM TO BALL JOINT ATTACHMENT CAN BECOME LOOSE. ALSO, CERTAIN CARS COULD HAVE TIE ROD BALL STUD NUTS THAT WERE NOT PROPERLY TORQUED AND COULD LOOSEN.
CONTINUED OPERATION OF CAR WITH EITHER CONDITION COULDRESULT IN SEPARATION OF THAT JOINT AND POSSIBL
REPLACE BOTH LOWER CONTROL ARMS; ALSO, CHECK TIE ROD BALL STUD NUT TORQUE.
TWISTED COMPONENTS COULD ALLOW THE LEFT FRONT BRAKE HOSE TO CONTACT THE FENDER LINING/RAIL AREA; OVER TIME THE BRAKE HOSE COULD WEAR THROUGH.
THIS COULD RESULT IN A LOSS OF BRAKE FLUID AND A PARTIALLOSS OF BRAKING CAPABILITY WHICH COULD RESUL
INSPECT LEFT FRONT BRAKE HOSE FOR PROPER INSTALLATION AND REPLACE, AS NECESSARY.
CRACKS DEVELOP IN THE WHEEL MOUNTING SURFACE. IF THESE CRACKS BECOME SEVERE ENOUGH, THE WHEEL WILL COMPLETELY SEPARATE FROM THE VEHICLE.
IF WHEEL SEPARATION OCCURS WHILE THE VEHICLE IS IN MOTION, LOSS OF STEERING AND BRAKE CONTROL OF THE
DEALERS WILL INSPECT THE MANUFACTURING DATE CODES STAMPED ON EACH WHEEL OF THE VEHICLE AND IF A WHEE
CUSTOMERS MAY COMPLAIN OF GRINDING / SCRAPING / GROANING NOISE FROM REAR SUSPENSION. *TT
TL*THE CONTACT OWNS A 1988 BUICK REGAL. WHILE DRIVING AT AN UNKNOWN SPEED, THE VEHICLE STRUCK A GUARDRAIL AND WAS DESTROYED. THE CONTACT SUSTAINED NECK INJURIES AND A POLICE REPORT WAS FILED. SHE T
WHILE IN MOTION THE TREAD SEPARATED FROM THE RIGHT FORNT TIRE CAUSING CONSUMER TO CRASH. THIS RESULTED IN CONSUMER SUSTAINING SEVERAL INJURIES. *JG *JB
VEHICLE WAS IN A COLLISION AND THE SEAT BELT DID NOT HOLD THE DRIVER, DRIVER HIT THE STEERING WHEEL.. *AK *JB
VEHICLE ACCELERATES FROM SITTING AT A STOP LIGHT OR SIGN WITH FOOT PRESSING THE BRAKE PEDAL WHEN ENGAGING IN DRIVE POSITION, ALMOST RAN OVER THE OWNER. TT
Showing the 4 most serious of 181 complaints filed with NHTSA.
