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Service bulletins for the 1994 Buick Skylark

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.

42 on file from NHTSA, as of 2026-10-19.

By type

By component

Bulletins, newest first
1300890092023-12-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
PIC4696E2019-12-09. 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.
PIC4696D2019-10-15. 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.
PIC4696C2018-06-18. 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.
041520042004-09-17. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR. 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
009662004-07-12. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR. ANTI-LOCK BRAKING SYSTEM (ABS) FRONT WHEEL SPEED CODES - JUMPER HARNESS. *TT
00966B2004-06-09. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR. ABS FRONT WHEEL SPEED CODES - JUMPER HARNESS. *TT
010601002A2003-03-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. REVISED PISTON PIN REMOVAL / INSTALLATION PROCEDURE. *TT
990730030A2001-05-24. 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
990604005A2001-05-24. 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
000792001-04-04. Service bulletin. ELECTRICAL SYSTEM:IGNITION:SWITCH. INFORMATION REGARDING IGNITION SWITCH HIGH ELECTRICAL CURRENT. *JB
001532001-03-26. Service bulletin. ELECTRICAL SYSTEM:IGNITION:SWITCH. CAMPAIGN PARTS BULLETIN REGARDING IGNITION SWITCH HIGH ELECTRICAL CURRENT. *TT
000792001-03-26. Service bulletin. ELECTRICAL SYSTEM:IGNITION:SWITCH. SUBJECT REGARDING 00079 - PRODUCT SAFETY CAMPAIGN IGNITION SWITCH HIGH ELECTRICAL CURRENT - PART 2. *TT
000792001-03-26. Service bulletin. ELECTRICAL SYSTEM:IGNITION:SWITCH. SUBJECT REGARDING PRODUCT SAFETY CAMPAIGN IGNITION SWITCH HIGH ELECTRICAL CURRENT - PART 1. *TT
000792001-03-26. Service bulletin. ELECTRICAL SYSTEM:IGNITION:SWITCH. SUBJECT REGARDING 00079 - PRODUCT SAFETY CAMPAIGN IGNITION SWITCH HIGH ELECTRICAL CURRENT. *TT
876002A2000-12-26. 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
0005240012000-07-25. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS. INFORMATION REGARDING SNOW INTRUSION INTO REAR DRUM BRAKE ASSEMBLIES. **MR
9907300302000-03-01. 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
9906040051999-04-26. 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
8317041999-01-25. Service bulletin. STRUCTURE:BODY. CONCERNS OF DOOR HANDLES ON WHITE PAINTED VEHICLES TRUNING YELLOW. *YC
98576124A1998-08-28. 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
98776304A1998-05-05. 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
9708017350261998-04-07. 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
9708016763051998-04-07. Service bulletin. VEHICLE SPEED CONTROL. SOME VEHICLES EXPERIENCE DIFFICULTIES TO DEPRESS ACCELERATOR PEDAL AND/OR AN ACCELERATOR CABLE SEPARATION. *YC
9709015015A1998-03-30. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP. COMPLAINTS THAT THE ABS INDICATOR LAMP IS "ON". *YC

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.