Technical Service Bulletins (TSBs) for the 1998 Skylark 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

    • TSB #833208

      Date Announced:
      OCT 01, 1998
      NHTSA ID:
      #602826

      SOME CUSTOMERS MAY COMMENT ABOUT A SQUEAK/ SQUAWK TYPE NOISE COMING FROM THE STEERING COLUMN AREA WHEN TURNING THE STEERING WHEEL. *YC 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:FOUNDATION COMPONENTS

    • TSB #000524001

      Date Announced:
      APR 01, 2000
      NHTSA ID:
      #613590

      INFORMATION REGARDING SNOW INTRUSION INTO REAR DRUM BRAKE ASSEMBLIES. **MR Read More »

    SERVICE BRAKES, AIR

    • TSB #4615

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10023171

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

    SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR

    • TSB #04152004

      Date Announced:
      APR 15, 2004
      NHTSA ID:
      #10009220

      VEHICLES MAY SET ANYONE OR A COMBINATION OF FRONT-WHEEL SPEED SENSOR ANTI-LOCK BRAKE SYSTEM CODES AS INTERMITTENT OR HARD FAILURES. GM VOICEMAIL EXPRESS. *TT Read More »

    • TSB #00966B

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10007293

      ABS FRONT WHEEL SPEED CODES - JUMPER HARNESS. *TT Read More »

    • TSB #00966

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10007816

      ANTI-LOCK BRAKING SYSTEM (ABS) FRONT WHEEL SPEED CODES - JUMPER HARNESS. *TT Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    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 »

    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 #010602012

      Date Announced:
      DEC 01, 2001
      NHTSA ID:
      #628890

      SOME OWNERS MAY COMMENT ON LEAKAGE OF A FEW DROPS OF COOLANT AFTER PARKING THEIR VEHICLE. *TT Read More »

    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 #05-06-04-035D

      Date Announced:
      MAY 09, 2014
      NHTSA ID:
      #10137901

      This informational bulletin provides the technician with information on what E85 fuel may due to a non E85 vehicle. 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

    • TSB #3447

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10017086

      4T40E OR 4T45E WILL NOT SHIFT NO DIAGNOSTIC TROUBLE CODES. *TT Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #3253

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10017096

      VEHICLE WILL NOT MOVE IN EITHER DIRECTION. TRANSMISSION MAY SHOW OVER FULL. P90 4T40E 4T45E NO MOVEMENT DRIVE OR REVERSE. CONVERTER MAY BE EMPTY OF FLUID. *TT 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 »

    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:12V/24V/48V BATTERY

    • TSB #98836416

      Date Announced:
      JUN 01, 1998
      NHTSA ID:
      #601912

      CONDITIONS REGARDING WEAK OR DISCHARGED BATTERY, SLOW STARTING, GEN OR MIL LAMP ON, VARIOUS DRIVEABILITY SYMPTOMS. *YC Read More »

    ELECTRICAL SYSTEM:IGNITION

    • TSB #04002

      Date Announced:
      MAY 12, 2004
      NHTSA ID:
      #10007858

      PRODUCT SAFETY RECALL IGNITION CIRCUIT THERMAL EVENTS. *MJ Read More »

    • TSB #04122004

      Date Announced:
      APR 12, 2004
      NHTSA ID:
      #10009214

      IGNITION CIRCUIT THERMAL EVENTS, THREE PHASE SAFETY RECALL 04002. GM VOICEMAIL EXPRESS. *TT Read More »

    • TSB #02232004

      Date Announced:
      FEB 23, 2004
      NHTSA ID:
      #10013000

      IF THE ENGINE FAILS TO START AND THE DRIVER HOLDS THE KEY IN THE START POSITION FOR AN EXTENDED PERIOD, HIGH CURRENT FLOWS THROUGH THE IGNITION SWITCH AND SOMETIMES PRODUCES ENOUGH HEAT TO MELT INTERNAL SWITCH PARTS. Read More »

    • TSB #010849020

      Date Announced:
      DEC 01, 2001
      NHTSA ID:
      #631899

      SUBJECT REGARDING REVISED IGNITION LOCK CYLINDER OR IGNITION SWITCH ASSEMBLY REPLACEMENT. *SLC Read More »

    ELECTRICAL SYSTEM:IGNITION:MODULE

    • TSB #990604037

      Date Announced:
      SEP 01, 1999
      NHTSA ID:
      #608390

      SUBJECT ON ON-BOARD DIAGNOSTIC (OBD) SYSTEM IMPROVEMENTS. *MJS 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 »

    STRUCTURE:BODY

    • TSB #831704

      Date Announced:
      OCT 01, 1998
      NHTSA ID:
      #602983

      CONCERNS OF DOOR HANDLES ON WHITE PAINTED VEHICLES TRUNING YELLOW. *YC 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 »

    SEATS

    • TSB #98731616A

      Date Announced:
      APR 01, 1998
      NHTSA ID:
      #601114

      SEAT BELT LATCH SLIDES TO SEAT BELT ANCHOR SLEEVE. *YC Read More »

    • TSB #971101731616

      Date Announced:
      NOV 01, 1997
      NHTSA ID:
      #54064

      COMMENTS THAT THE SEAT BELT LATCH SLIDES TO THE SEAT BELT ANCHOR SLEEVE. *YC 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 #17NA073

      Date Announced:
      SEP 18, 2019
      NHTSA ID:
      #10166638

      This warranty administration bulletin provides information regarding the field action courtesy transportation policy. 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 #17NA073

      Date Announced:
      FEB 15, 2019
      NHTSA ID:
      #10154641

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

    • TSB #PIC4696B

      Date Announced:
      DEC 04, 2015
      NHTSA ID:
      #10114947

      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 #PIC4696A

      Date Announced:
      OCT 23, 2015
      NHTSA ID:
      #10114924

      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 #16NA260

      Date Announced:
      AUG 26, 2016
      NHTSA ID:
      #10082506

      THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE MEDIA DISC PLAYER WITH THE LATEST CALIBRATIONS TO CORRECT A CONDITION OF THE REAR ENTERTAINMENT SYSTEM NOT OPERATING AS INTENDED IN COLDER AMBIENT TEMPERATURE AREAS DUE TO ... Read More »

    • TSB #PIC4696A

      Date Announced:
      OCT 23, 2015
      NHTSA ID:
      #10114924

      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:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #17-NA-073

      Date Announced:
      MAR 15, 2017
      NHTSA ID:
      #10138060

      This warranty administration bulletin provides policy information with the field action courtesy transportation policy. Read More »

    • TSB #Recalls

      Date Announced:
      JUN 30, 2014
      NHTSA ID:
      #10248444

      Vehicle Recalls 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 »