Technical Service Bulletins (TSBs) for the 1996 Regal are official communications between Buick & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

    STEERING: STEERING WHEEL/HANDLE BAR

    • TSB #9709013202B

      Date Announced:
      SEP 01, 1997
      NHTSA ID:
      #54328

      EXPERIENCING INTERMITTENT STEERING COLUMN SNAP OR CLICK NOISE WHEN TURNING. *YC Read More »

    STEERING:HYDRAULIC POWER ASSIST SYSTEM

    • TSB #01292004

      Date Announced:
      JAN 29, 2004
      NHTSA ID:
      #10013031

      POWER STEERING GEAR LOWER PINION BEARING, SAFETY RECALL 03062. *TT Read More »

    SUSPENSION

    • TSB #990309004

      Date Announced:
      OCT 01, 1999
      NHTSA ID:
      #6088680

      CUSTOMERS MAY COMPLAIN OF GRINDING / SCRAPING / GROANING NOISE FROM REAR SUSPENSION. *TT Read More »

    • TSB #533307B

      Date Announced:
      JUL 01, 1998
      NHTSA ID:
      #615074

      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 Read More »

    SERVICE BRAKES, HYDRAULIC

    • TSB #PIP4723F

      Date Announced:
      JAN 14, 2022
      NHTSA ID:
      #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 ... Read More »

    SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

    • TSB #970801735026

      Date Announced:
      AUG 01, 1997
      NHTSA ID:
      #54419

      COMMENT THAT THE ABS LIGHT IS ON WITH DIAGNOSTIC TROUBLE CODES (DTC'S) 46 AND 86 SET AS CURRENT OR HISTORY. *YC Read More »

    SERVICE BRAKES, AIR

    • TSB #4615

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10023171

      ABS PUMP RUNNING WHEN NOT NEEDED. *NJ Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #040601021

      Date Announced:
      JUN 01, 2004
      NHTSA ID:
      #10012148

      NEW REAR MAIN SEAL AND SPECIAL TOOL FOR INSTALLATION. *TT Read More »

    • TSB #010601002A

      Date Announced:
      DEC 01, 2002
      NHTSA ID:
      #10000782

      REVISED PISTON PIN REMOVAL / INSTALLATION PROCEDURE. *TT Read More »

    • TSB #010601008A

      Date Announced:
      MAY 01, 2002
      NHTSA ID:
      #634813

      SOME OWNERS MAY COMMENT ON A REPEAT ENGINE OIL PAN LEAK. *TT Read More »

    • TSB #010601008

      Date Announced:
      FEB 01, 2001
      NHTSA ID:
      #619177

      SOME OWNERS MAY COMMENT ON A REPEAT ENGINE OIL PAN LEAK. *TT Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

    • TSB #020601014

      Date Announced:
      APR 01, 2002
      NHTSA ID:
      #634708

      SUBJECT REGARDING REVISED LOWER INTAKE MANIFOLD INSTALLATION. *TT Read More »

    • TSB #010601010A

      Date Announced:
      JUN 01, 2001
      NHTSA ID:
      #620810

      SUBJECT REGARDING POLYMER SERVICE PISTONS. *TT Read More »

    • TSB #990604005A

      Date Announced:
      APR 01, 2001
      NHTSA ID:
      #619360

      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 Read More »

    • TSB #990604005

      Date Announced:
      FEB 01, 1999
      NHTSA ID:
      #604343

      SOME OWNERS MAY EXPERIENCE A DRIVEABILITY SYMPTOM OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE. *TT Read More »

    • TSB #876002A

      Date Announced:
      JUL 01, 1998
      NHTSA ID:
      #615073

      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. Read More »

    • TSB #9709016116A

      Date Announced:
      SEP 01, 1997
      NHTSA ID:
      #54327

      COMMENTS OF AN ENGINE OIL LEAK THAT APPEARS TO ORIGINATE TOWARD THE DRIVER'S SIDE OF THE VEHICLE; REAR OF ENGINE. *YC Read More »

    ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

    • TSB #130089009

      Date Announced:
      SEP 01, 2013
      NHTSA ID:
      #10246631

      Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM

    • TSB #010601007

      Date Announced:
      SEP 01, 2007
      NHTSA ID:
      #619176

      ENGINE COOLANT CONSUMPTION OR COOLANT LEAK (INSPECT FOR MATERIAL DEGRADATION/REPLACE INTAKE MANIFOLDS) *TT UPDATED 11/02/07 *NJ Read More »

    • TSB #010601007A

      Date Announced:
      JUL 01, 2001
      NHTSA ID:
      #620835

      EXPERIENCING EXCESSIVE ENGINE COOLANT CONSUMPTION, OR AN ENGINE COOLANT LEAK NEAR OR UNDER THE THROTTLE BODY AREA OF THE UPPER INTAKE MANIFOLD. *TT Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

    FUEL SYSTEM, GASOLINE

    • TSB #PIP4723F

      Date Announced:
      JAN 14, 2022
      NHTSA ID:
      #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 ... Read More »

    • TSB #PIP4723C

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157018

      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 ... Read More »

    • TSB #736313

      Date Announced:
      JUN 01, 1997
      NHTSA ID:
      #52563

      REDUCED ENGINE PERFORMANCE, RESTRICTED FUEL FLOW (CLEAN FUEL TANK, REPLACE IN-LINE FUEL FILTER AND FUEL PUMP STRAINER). *TW Read More »

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

    • TSB #971101776304

      Date Announced:
      NOV 01, 1997
      NHTSA ID:
      #54066

      SUBJECT PERTAINING TO DRIVEABILITY SYMPTOMS DUE TO FUEL INJECTOR DEPOSITS. *YC Read More »

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS

    • TSB #98776304A

      Date Announced:
      FEB 01, 1998
      NHTSA ID:
      #600282

      SOME VEHICLES MAY EXPERIENCE A DRIVEABILITY SYMPTOM OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE. *YC Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #677164

      Date Announced:
      FEB 01, 1997
      NHTSA ID:
      #51296

      INTERMITTENT NEUTRAL OR LOSS OF DRIVE AT HIGHWAY SPEEDS OR FROM FOURTH GEAR (REPLACE CONTROL VALVE BODY ASSEMBLY). *TW Read More »

    • TSB #577106A

      Date Announced:
      DEC 01, 1996
      NHTSA ID:
      #50571

      COLD START RATTLE NOISE. *TW Read More »

    POWER TRAIN:DRIVELINE:DRIVESHAFT

    • TSB #577106A

      Date Announced:
      FEB 01, 1997
      NHTSA ID:
      #51497

      COLD START RATTLE NOISE (DIAGNOSIS/SERVICE PROCEDURE). *TW Read More »

    POWER TRAIN:AXLE ASSEMBLY

    • TSB #990730030A

      Date Announced:
      APR 01, 2001
      NHTSA ID:
      #619370

      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 ... Read More »

    • TSB #990730030

      Date Announced:
      DEC 01, 1999
      NHTSA ID:
      #6089996

      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 Read More »

    • TSB #10001

      Date Announced:
      APR 01, 1998
      NHTSA ID:
      #601769

      INFORMATION ON GROWLING NOISE IN TRANSAXLE DURING FIRST FOUR MINUTES AFTER START UP. *YC Read More »

    ELECTRICAL SYSTEM

    • TSB #PIP4723D

      Date Announced:
      JAN 31, 2020
      NHTSA ID:
      #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 ... Read More »

    • TSB #19NA273

      Date Announced:
      DEC 02, 2019
      NHTSA ID:
      #10170494

      This informational bulletin provides information for dealers/technicians on Procedures to Unlock Delco Radio with Theftlock. Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #PIP4723C

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157018

      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 ... Read More »

    • TSB #PIP4723B

      Date Announced:
      FEB 22, 2017
      NHTSA ID:
      #10113443

      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 ... Read More »

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

    • TSB #97121797022

      Date Announced:
      DEC 17, 1997
      NHTSA ID:
      #54475

      SUBJECT ON HVAC MANUAL CLIMATE CONTROL MODE SELECTOR FIRST PHASE OWNER NOTIFICATION LETTER MAILING. *YC Read More »

    VEHICLE SPEED CONTROL

    • TSB #050604058

      Date Announced:
      SEP 01, 2005
      NHTSA ID:
      #10017568

      INTERMITTENT CHUGGLE OR FISHBITE ON LIGHT ACCELERATION OR A HIGHWAY SPEEDS WITH NO DIAGNOSTIC TROUBLE CODES (DTCS). *TT Read More »

    • TSB #970801676305

      Date Announced:
      AUG 01, 1997
      NHTSA ID:
      #54418

      SOME VEHICLES EXPERIENCE DIFFICULTIES TO DEPRESS ACCELERATOR PEDAL AND/OR AN ACCELERATOR CABLE SEPARATION. *YC Read More »

    VEHICLE SPEED CONTROL:CABLES

    • TSB #676305

      Date Announced:
      MAR 01, 1997
      NHTSA ID:
      #52580

      DIFFICULT TO DEPRESS ACCELERATOR PEDAL AND/OR ACCELERATOR CABLE SEPARATION (INSTALL ACCELERATOR CABLE AND CLIP). *TW Read More »

    TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

    • TSB #PIP4723C

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157018

      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 ... Read More »

    INTERIOR LIGHTING

    • TSB #876522

      Date Announced:
      AUG 01, 1998
      NHTSA ID:
      #609669

      A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATING ON THE VEHICLE'S INSTRUMENT PANEL AFTER A LONG DECELERATION WITH THE TRANSMISSION TYPICALLY IN THE OVERDRIVE POSITION. YD Read More »

    EQUIPMENT

    • TSB #19NA273

      Date Announced:
      DEC 02, 2019
      NHTSA ID:
      #10170494

      This informational bulletin provides information for dealers/technicians on Procedures to Unlock Delco Radio with Theftlock. Read More »

    • TSB #PIC4696D

      Date Announced:
      SEP 05, 2019
      NHTSA ID:
      #10165876

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Read More »

    • TSB #PIC4696C

      Date Announced:
      MAY 31, 2018
      NHTSA ID:
      #10141381

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Read More »

    • TSB #PIP4723C

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157018

      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 ... Read More »

    EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES

    • TSB #PIC4696E

      Date Announced:
      NOV 22, 2019
      NHTSA ID:
      #10168979

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Read More »

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #PIC4696E

      Date Announced:
      NOV 22, 2019
      NHTSA ID:
      #10168979

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Read More »

    • TSB #PIC4696C

      Date Announced:
      MAY 31, 2018
      NHTSA ID:
      #10141381

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Read More »

    • TSB #549001A

      Date Announced:
      MAR 01, 1997
      NHTSA ID:
      #52600

      CLN INDICATOR APPEARS ON RADIO DISPLAY AND DOES NOT TURN OFF (RESET CLN INDICATOR WITH THE EJECT BUTTON ON TAPE). *TW Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #PIC4696C

      Date Announced:
      MAY 31, 2018
      NHTSA ID:
      #10141381

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Read More »