# Service bulletins for the 1994 Buick Regal

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

40 bulletins from NHTSA, as of 2026-10-19.

- [130089009](/bulletins/10246631.md), 2023-12-11, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). Expanded Availability for Remanufacture and Return \(R\&R\) Electronic Control Modules
- [PIC4696E](/bulletins/10168979.md), 2019-12-09, Service bulletin: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL:ANTI\-THEFT DEVICES. 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. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code. The PI update to version D is to advise the unlock procedure is temporarily unavailable. E version update is to add administrative details.
- [PIC4696D](/bulletins/10165876.md), 2019-10-15, Service bulletin: EQUIPMENT. 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. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code. The PI update to version D is to advise the unlock procedure is temporarily unavailable.
- [PIC4696C](/bulletins/10141381.md), 2018-06-18, Service bulletin: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. 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. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code.
- [010601002A](/bulletins/10000782.md), 2003-03-31, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. REVISED PISTON PIN REMOVAL / INSTALLATION PROCEDURE. \*TT
- [990730030A](/bulletins/619370.md), 2001-05-24, Service bulletin: POWER TRAIN:AXLE ASSEMBLY. 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 PARKING BRAKE NOT APPLIED. \*TT
- [990604005A](/bulletins/619360.md), 2001-05-24, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. 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
- [533307B](/bulletins/615074.md), 2000-12-27, Service bulletin: SUSPENSION. 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
- [876002A](/bulletins/615073.md), 2000-12-26, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. 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 REAPPEAR UNTIL THE NEXT CHANGE OF OIL. \*TT
- [990730030](/bulletins/6089996.md), 2000-03-01, Service bulletin: POWER TRAIN:AXLE ASSEMBLY. 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
- [990309004](/bulletins/6088680.md), 1999-12-29, Service bulletin: SUSPENSION. CUSTOMERS MAY COMPLAIN OF GRINDING / SCRAPING / GROANING NOISE FROM REAR SUSPENSION. \*TT
- [990604005](/bulletins/604343.md), 1999-04-26, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME OWNERS MAY EXPERIENCE A DRIVEABILITY SYMPTOM OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE. \*TT
- [98576124A](/bulletins/601915.md), 1998-08-28, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. COMMENTS ON A TICKING TYPE NOISE THAT BEGINS SHORTLY AFTER COLD ENGINE START\-UP AND GRADUALLY DIMINISHES AS THE ENGINE WARMS UP. \*YC
- [10001](/bulletins/601769.md), 1998-08-24, Service bulletin: POWER TRAIN:AXLE ASSEMBLY. INFORMATION ON GROWLING NOISE IN TRANSAXLE DURING FIRST FOUR MINUTES AFTER START UP. \*YC
- [98776304A](/bulletins/600282.md), 1998-05-05, Service bulletin: FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. SOME VEHICLES MAY EXPERIENCE A DRIVEABILITY SYMPTOM OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE. \*YC
- [970801735026](/bulletins/54419.md), 1998-04-07, Service bulletin: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP. COMMENT THAT THE ABS LIGHT IS ON WITH DIAGNOSTIC TROUBLE CODES \(DTC'S\) 46 AND 86 SET AS CURRENT OR HISTORY. \*YC
- [970801676305](/bulletins/54418.md), 1998-04-07, Service bulletin: VEHICLE SPEED CONTROL. SOME VEHICLES EXPERIENCE DIFFICULTIES TO DEPRESS ACCELERATOR PEDAL AND/OR AN ACCELERATOR CABLE SEPARATION. \*YC
- [9709013202B](/bulletins/54328.md), 1998-03-30, Service bulletin: STEERING: STEERING WHEEL/HANDLE BAR. EXPERIENCING INTERMITTENT STEERING COLUMN SNAP OR CLICK NOISE WHEN TURNING. \*YC
- [971101776304](/bulletins/54066.md), 1998-03-30, Service bulletin: FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM. SUBJECT PERTAINING TO DRIVEABILITY SYMPTOMS DUE TO FUEL INJECTOR DEPOSITS. \*YC
- [676305](/bulletins/52580.md), 1997-08-21, Service bulletin: VEHICLE SPEED CONTROL:CABLES. DIFFICULT TO DEPRESS ACCELERATOR PEDAL AND/OR ACCELERATOR CABLE SEPARATION \(INSTALL ACCELERATOR CABLE AND CLIP\). \*TW
- [577106A](/bulletins/51497.md), 1997-06-27, Service bulletin: POWER TRAIN:DRIVELINE:DRIVESHAFT. COLD START RATTLE NOISE \(DIAGNOSIS/SERVICE PROCEDURE\). \*TW
- [97003](/bulletins/51272.md), 1997-06-27, Service bulletin: EXTERIOR LIGHTING:TURN SIGNAL:SWITCH. RECALL 97V\-017 \- PIVOT AND \(PULSE/DIMMER\) WINDSHIELD WASHER SWITCH \- GENERAL MOTORS HAS DECIDED THAT A DEFECT WHICH RELATES TO MOTOR VEHICLE SAFETY EXISTS IN CERTAIN 1994 PONTIAC GRAND PRIX, 1994\-95 BUICK REGAL, OLDSMOBILE CUTLASS SUPREME AND 1995 CHEVROLET LUMINA/MONTECARLO MODEL VEHICLES \- SOME OF THESE VEHICLES HAVE A STRAINED OR SEPARATED WASHER/WIPER SWITCH POWER FEED WIRE \-THIS MAY CAUSE THE WINDSHIELD WASHER/WIPER TO WORK INTERMITTENTLY AND COULD ULTIMATELY RESULT IN INOPERATIV WIPERS \- IF THIS WERE TO OCCUR IN A SEVERE WEATHER SITUATION, DRIVER VISIBILITY COULD BE REDUCED, WHICH COULD RESULT IN A VEHICLE CRASH WITHOUT PRIOR WARNING \- TO CORRECT THIS CONCERN, DEALERS ARE TO SERVICE ALL VEHICLES SUBJECT TO THIS CAMPAIGN AT NO CHARGE TO CUSTOMERS, REGARDLESS OF MILEAGE, AGE OF VEHICLE, OR OWNERSHIP, FROM THIS TIME ON \- RECALL 97V\-017. \*TW
- [577106A](/bulletins/50571.md), 1997-05-27, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. COLD START RATTLE NOISE. \*TW
- [9573T4001](/bulletins/45881.md), 1996-04-25, Service bulletin: POWER TRAIN:DRIVELINE. GRINDING AND/OR GROWLING NOISE IN PARK ON INCLINE.\*SD
- [531018](/bulletins/45820.md), 1996-04-25, Service bulletin: VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. UNKNOWN

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