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Service bulletins for the 2001 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.

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

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
030342003-10-20. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE COOLANT MAY LEAK AT THE UPPER INTAKE MANIFOLD THROTTLE BODY GASKET, OR AT THE UPPER INTAKE MANIFOLD TO LOWER INTAKE MANIFOLD TO LOWER INTAKE MANIFOLD GASKET. THIS CONDITION MAY RESULT IN A LOW ENGINE COOLANT LEVEL AND HIGHER ENGINE OPERATING TEMPERATURES. *TT
0306010162003-08-26. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. LOSS OF COOLANT, MILKY COLORED OIL. *TT
0306040302003-08-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MULTIPLE DRIVEABILITY SYMPTOMS OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE DUE TO CLOGGED FUEL INJECTORS. *TT
010601008A2002-10-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SOME OWNERS MAY COMMENT ON A REPEAT ENGINE OIL PAN LEAK. *TT
0206040142002-07-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SUBJECT REGARDING THE ELIMINATION OF THE SERVICE BAY TEST PROCEDURE. *TT
000605049A2002-05-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SUBJECT REGARDING VARIOUS DRIVEABILITY SYMPTOMS, MALFUNCTION INDICATOR LAMP ILLUMINATES INTERMITTENTLY, DIAGNOSTIC TROUBLE CODES SEAT, ENGINE WILL NOT START. *SLC
3110012002-03-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES WITH THE SUPERCHARGED 3800 ENGINE MAY EXPERIENCE A HARD START OR EXTENDED CRANK. *TT
0110012002-02-25. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. INFORMATION REGARDING WATER INTRUSION INTO THE OXYGEN SENSOR WIRING HARNESS. *YH
2509012001-12-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. VEHICLES MAY EXPERIENCE INTERMITTENT ENGINE STALLING OR DIAGNOSTIC TROUBLE CODE P0141. *SLC
0106010082001-05-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SOME OWNERS MAY COMMENT ON A REPEAT ENGINE OIL PAN LEAK. *TT

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