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1991 Buick Regal Service and Repair Manual
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$29.99 USD
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Covers all 1991 Regal trims — Gran Sport Sedan 4-Door, Custom Coupe 2-Door, Limited Coupe 2-Door +3 more ·
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Complete repair procedures
Wiring diagrams & schematics
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1991 Buick Regal Service and Repair Manual
Regular price
$29.99 USD
Unit price
1991 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
- Custom Coupe 2-Door
- Limited 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
CONSEQUENCE OF NON-COMPLIANCE: DURING ILLUMINATION, THE BULBS WILL SHOW CLEAR RATHER THAN AMBER AND
Remedy
DEALERS WILL REPLACE THE CLEAR BULBS WITH THE CORRECT AMBER BULBS.
THE FUEL FEED HOSE CAN PULL OUT OF THE CRIMPED COUPLING AT THE ENGINE END OF THE HOSE ASSEMBLY, CAUSING FUEL LEAKAGE.
Consequence
IF THE COUPLING WERE TO SEPARATE AND AN IGNITION SOURCEIS PRESENT, AN ENGINE COMPARTMENT FIRE COULD
Remedy
INSTALL A NEW FUEL FEED HOSE.
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
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
CUSTOMERS MAY COMPLAIN OF GRINDING / SCRAPING / GROANING NOISE FROM REAR SUSPENSION. *TT
COLD START RATTLE NOISE (DIAGNOSIS/SERVICE PROCEDURE). *TW
COLD START RATTLE NOISE. *TW
COLD START RATTLE NOISE. *TW
ABS WARNING LIGHT IS ON. *TW
REAR STRUT RELATED THUMPING/SQUEAKING NOISE. *TW
Showing the 8 most recent of 9 technical service bulletins on file with NHTSA.
FEDERAL AUTHORITIES ARE INVESTIGATING WHETHER GENERAL MOTORS HID AN IGNITION SWITCH DEFECT WHEN IT FILED FOR BANKRUPTCY IN 2009,THE JUSTICE DEPARTMENT'S INVESTIGATION OF THE AUTOMAKER INCLUDES A PROBE
FEDERAL AUTHORITIES ARE INVESTIGATING WHETHER GENERAL MOTORS HID AN IGNITION SWITCH DEFECT WHEN IT FILED FOR BANKRUPTCY IN 2009,THE JUSTICE DEPARTMENT'S INVESTIGATION OF THE AUTOMAKER INCLUDES A PROBE
FEDERAL AUTHORITIES ARE INVESTIGATING WHETHER GENERAL MOTORS HID AN IGNITION SWITCH DEFECT WHEN IT FILED FOR BANKRUPTCY IN 2009,THE JUSTICE DEPARTMENT'S INVESTIGATION OF THE AUTOMAKER INCLUDES A PROBE
FEDERAL AUTHORITIES ARE INVESTIGATING WHETHER GENERAL MOTORS HID AN IGNITION SWITCH DEFECT WHEN IT FILED FOR BANKRUPTCY IN 2009,THE JUSTICE DEPARTMENT'S INVESTIGATION OF THE AUTOMAKER INCLUDES A PROBE
WHILE DRIVING DRIVER'S SEAT BROKE AND COLLAPSED BACKWARDS WHEN IMPACTED WITH ANOTHER VEHICLE THAT RAN STOP SIGN. DRIVER SUFFERED SHOULDER INJURY, BUT NO EMERGENCY ROOM TREATMENT.*AK
Showing the 5 most serious of 303 complaints filed with NHTSA.
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