1999 Buick Regal Service and Repair Manual

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Factory-Grade Data

1999 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

  • GS Sedan 4-Door
  • LS Sedan 4-Door

Engines covered

  • 3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated
  • 3.8L 3800CC 231Cu. In. V6 GAS OHV Supercharged

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

1999 Buick Regal Recalls & Complaints

NHTSA #15V70100026/10/2015Component: ENGINE AND ENGINE COOLING:ENGINE

General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chev

Consequence

Engine oil that drips onto the hot surface of the exhaust manifold may result in a fire.

Remedy

The remedy applied under recalls 08V-118, 09V-116, and 15V-201 did not adequately remove the safety

NHTSA #99V35600017/12/1999Component: EXTERIOR LIGHTING:HEADLIGHTS

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THESE VEHICLES DO NOT CONFORM TO THE REQUIREMENTS OF FMVSS NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." THE VERTICAL HEAD LAMP ADJUSTING

Consequence

DRIVER VISIBILITY MAY BE IMPAIRED INCREASING THE RISK OF A CRASH.

Remedy

OWNERS WILL BE PROVIDED WITH AN OWNER'S MANUAL INSERT CONTAINING INSTRUCTIONS FOR OPTICALLY AIMING T

NHTSA #08E06300017/10/2008Component: STEERING

DORMAN PRODUCTS IS RECALLING 3,900 INTERMEDIATE STEERING SHAFTS DORMAN PART NOS. 425-151, 425-152, AND 425-153, (SOLD UNDER DORMAN'S "OE SOLUTIONS" BRAND NAME), BALKAMP #'S 7-3057, 7-3058, 7-3059 (SOL

Consequence

IF THE WELD FAILS, LOSS OF STEERING COULD RESULT, POSSIBLY RESULTING IN A VEHICLE CRASH.

Remedy

DORMAN WILL NOTIFY OWNERS AND REPLACE THE STEERING SHAFTS FREE OF CHARGE. THE RECALL BEGAN ON OCTOB

NHTSA #09E00500017/02/2009Component: STEERING

DORMAN IS RECALLING 979 STEERING KNUCKLES, DORMAN P/NOS. 697-902 AND 697-903, SOLD UNDER DORMAN'S "OE SOLUTIONSTM" BRAND NAME, AND NAPA P/NOS. 7-8502 AND 7-8503 WHICH WERE SOLD FOR REPLACEM

Consequence

A BROKEN STEERING KNUCKLE COULD RESULT IN LOSS OF STEERING CONTROL AND A POSSIBLE CRASH WITHOUT WARN

Remedy

DORMAN WILL NOTIFY OWNERS AND REPLACE THE DEFECTIVE STEERING KNUCKLES FREE OF CHARGE AND REIMBURSE T

NHTSA #04V37500010/08/2004Component: EXTERIOR LIGHTING:HEADLIGHTS

CERTAIN PASSENGER VEHICLES DO NOT CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." SOME OF THESE VEHICLES DO NOT ME

Consequence

LESS ILLUMINATION MAY REDUCE THE ABILITY OF THE DRIVER TO READ OVERHEAD SIGNS WHEN DRIVING AT NIGHT.

Remedy

DEALERS WILL INSTALL NEW LOW BEAM HEADLAMP BULBS IN BOTH OF THE HEADLAMP ASSEMBLIES. THE RECALL BEG

NHTSA #09V11600008/04/2009Component: ENGINE AND ENGINE COOLING

GENERAL MOTORS IS RECALLING 1,497,516 MY 1997-2003 BUICK REGAL, MY 1998-2003 CHEVROLET LUMINA, MONTE CARLO AND IMPALA, MY 1998-1999 OLDSMOBILE INTRIGUE, MY 1997-2003 PONTIAC GRAND PRIX VEHICLES EQUIPP

Consequence

IF THE MANIFOLD IS HOT ENOUGH AND THE OIL RUNS BELOW THE HEAT SHIELD, IT MAY IGNITE INTO A SMALL FLA

Remedy

DEALERS WILL REPLACE THE ENGINE’S FRONT VALVE COVER AND FRONT-VALVE-COVER GASKET WITH NEW PARTS OF A

TSB #10232287

This warranty administration bulletin provides information regarding the field action courtesy transportation policy.

TSB #10208027

This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and

TSB #10190934

Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form o

TSB #10190933

Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form o

TSB #10190932

Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the wheel's

TSB #10190931

Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the wheel's

TSB #10171318

This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and

TSB #10248444

Vehicle Recalls

Showing the 8 most recent of 101 technical service bulletins on file with NHTSA.

20100423Component: POWER TRAIN:AUTOMATIC TRANSMISSIONCrash reportedFire reported

I AM IN ARMY & WHILE DRIVING TO WORK ONE MORNING AT 5:30 AM MY VAN SLOWLY STARTED ACCELERATING THE MORE I PRESSED THE BRAKE THE FASTER THE VAN WENT, BY THE TIME I REACHED THE STREET THE VAN WAS UP TO

20160922Component: POWER TRAINCrash reported1 injured

TL* THE CONTACT OWNS A 1999 BUICK REGAL. WHEN THE VEHICLE WAS PLACED IN PARK AND THE CONTACT EXITED, THE VEHICLE SUDDENLY REVERSED BACKWARDS. THE DRIVER ATTEMPTED TO RE-ENTER THE VEHICLE, BUT WAS UNAB

20041203Component: SEAT BELTS:FRONTCrash reported1 injured

SAFETY BELT WAS DEFECTIVE. PASSENGER'S SEAT BELT FUNCTIONED. DRIVER' SEAT BELT MALFUNCTIONED AND I FLEW FORWARD HITTING MY HEAD AGAINST STEERING WHEEL. *BF THE RELEASE MECHANISM THAT RELEASES THE HO

20030512Component: SEAT BELTSCrash reported1 injured

THE VEHICLE WAS INVOLVED IN AN ACCIDENT, AND THE SEAT BELTS DID NOT RESTRAIN THE CONSUMER PROPERLY, WHICH CAUSED INJURIES. *JB

20010626Component: POWER TRAIN:AUTOMATIC TRANSMISSION:PARK/NEUTRAL START INTERLOCK SWITCHCrash reported

WHILE PARKED IN A DRIVEWAY WITH ENGINE OFF, WITH A 7 YRS OLD CHILD IN VEHICLE, VEHICLE ROLL OUT OF THE DRIVEWAY INTO A NEIGHBOR YARD AND HIT A TREE. CHILD WAS WITHOUT INJURY, AND THE GEAR SHIFT WA

Showing the 5 most serious of 301 complaints filed with NHTSA.

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