1994 Buick Century

33 Technical Service Bulletins (TSBs)

TSB List for the 1994 Buick Century

Technical Service Bulletins (TSBs) for the 1994 Century 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
  • SUSPENSION:FRONT
  • SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
  • ENGINE AND ENGINE COOLING:ENGINE
  • ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
  • ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
  • ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
  • FUEL SYSTEM, GASOLINE
  • FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM
  • FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS
  • POWER TRAIN:AUTOMATIC TRANSMISSION
  • POWER TRAIN:DRIVELINE
  • POWER TRAIN:DRIVELINE:DRIVESHAFT
  • POWER TRAIN:AXLE ASSEMBLY
  • EQUIPMENT
  • EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES
  • EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
  • EQUIPMENT ADAPTIVE/MOBILITY

    • 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 »

    SUSPENSION:FRONT

    • TSB #433504

      Date Announced:
      DEC 01, 1994
      NHTSA ID:
      #37937

      HIGHWAY SPEED VIBRATION. *TW 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 »

    • TSB #535013

      Date Announced:
      JUN 01, 1995
      NHTSA ID:
      #45825

      ABS DTC 34 AND/OR 35 MAY BE SET (REPLACE/REPAIR HARNESS). *SD Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #010601002A

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

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

    • TSB #98018

      Date Announced:
      AUG 01, 1998
      NHTSA ID:
      #602341

      PROM CALIBRATION REPLACEMENT FOR NOX EMISSIONS. *YC Read More »

    • TSB #98876121A

      Date Announced:
      APR 01, 1998
      NHTSA ID:
      #601058

      VEHICLES MAY EXHIBIT A CLATTERING NOISE AT IDLE SPEED ORIGINATING FROM THE TIMING CHAIN AND FRONT COVER AREA. *YC Read More »

    • TSB #776001

      Date Announced:
      JUL 01, 1997
      NHTSA ID:
      #52935

      INFORMATION CONCERNING ENGINE KNOCK/RATTLE OR TAP NOISE BEFORE ENGINE HAS REACHED OPERATING TEMPERATURE OR UNDER LIGHT LOAD CONDITIONS AT OPERATING TEMPERATURE (REPLACE PISTON AND/OR ROD ASSEMBLIES). Read More »

    • TSB #776001

      Date Announced:
      MAR 01, 1997
      NHTSA ID:
      #51302

      KNOCK, RATTLE OR TAP NOISE FROM THE ENGINE BEFORE THE ENGINE HAS REACHED OPERATING TEMPERATURE OR UNDER LIGHT LOAD CONDITIONS AT OPERATING TEMPERATURE KNOCK, RATTLE OR TAP NOISE FROM THE ENGINE BEFORE THE ENGINE HAS REACHED ... Read More »

    • TSB #576124

      Date Announced:
      AUG 01, 1995
      NHTSA ID:
      #45815

      COLD ENGINE TICK OR RATTLE AFTER START-UP (REPLACE PISTON/PIN ASSEMBLY). *SD Read More »

    • TSB #436604

      Date Announced:
      JAN 01, 1995
      NHTSA ID:
      #39083

      EXHAUST MANIFOLD SEAL SQUEAK. *TW Read More »

    • TSB #476135

      Date Announced:
      OCT 01, 1994
      NHTSA ID:
      #39725

      OIL LEAK AT THE ROCKER COVER. *TW Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

    • 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 #98576124A

      Date Announced:
      JUN 01, 1998
      NHTSA ID:
      #601915

      COMMENTS ON A TICKING TYPE NOISE THAT BEGINS SHORTLY AFTER COLD ENGINE START-UP AND GRADUALLY DIMINISHES AS THE ENGINE WARMS UP. *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:EXHAUST SYSTEM

    FUEL SYSTEM, GASOLINE

    • TSB #476523

      Date Announced:
      FEB 01, 1995
      NHTSA ID:
      #39279

      COLD START STALL/SAG/HESITATION/COLD ROUGH IDLE. *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

    POWER TRAIN:DRIVELINE

    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 »

    EQUIPMENT

    • 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 »

    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 »

    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 »

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