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Service bulletins for the 2001 Chevrolet Impala

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.

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

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
000604049B2004-02-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SOME VEHICLES BUILT PRIOR TO VIN BREAKPOINT 1F136536 MAY EXHIBIT INTERMITTENT MALFUNCTION INDICATOR LAMP / SERVICE ENGINE SOON INDICATOR ILLUMINATION; ANTI-LOCK BRAKE SYSTEM WARNING LIGHT ILLUMINATION; STALL / NO START CONDITION; VARIOUS ELECTRICAL SYSTEM FAILURES; AND / OR VARIOUS DRIVEABILITY CONCERNS. *TT
03-06-01-0102004-01-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OIL OR COOLANT LEAK. *TT GM REMINDER. *TT INSTALL NEW LOWER INTAKE MANIFOLD GASKET. UPDATED 7/18/08 *PE
0708032003-11-03. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. THE VME MESSAGE IS TO PROVIDE INFORMATION ABOUT A NEW PRODUCT FIELD ACTION REGARDING A CUSTOMER SATISFACTION PROGRAM FOR AN ENGINE COOLANT LEAK. THE ENGINE COOLANT MAY LEAK AT THE UPPER INTAKE MANIFOLD THROTTLE BODY GASKET OR AT THE UPPER INTAKE MANIFOLD TO LOWER INTAKE MANIFOLD GASKET. *TT
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
1213022003-09-13. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE FRAME CLICK OR SNAP NOISE DURING LOW SPEED MANEUVERS. *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
0306010102003-04-26. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE OIL OR COOLANT LEAK. *TT
0306050022003-04-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON (SES) LIGHT ON, REDUCED VEHICLE PERFORMANCE, ACCELERATION AND TOP SPEED. *TT
0306040092003-04-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE DECELERATION HESITATION, LOSS OF POWER ON VEHICLES WITH POLICE PACKAGE. *TT
0306040062003-04-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. REVISED ELECTRONIC IGNITION (EI) SYSTEM DIAGNOSIS. *TT
020602011A2003-03-28. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE OVERHEATING AND/OR EXCESSIVE NOISE FROM ELECTRIC COOLING FAN MOTOR. *TT
010604018A2003-02-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INTERMITTENT MALFUNCTION INDICATOR LAMP (MIL) AND POWER TRAIN CONTROL MODULE (PCM) DIAGNOSTIC TROUBLE CODE (DTC) P1404. *TT
0108022002-11-22. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. SOME VEHICLES MAY EXHIBIT A STRONG SULFUR ODOR OR A VERY OFFENSIVE TYPE ODOR COMING FROM THE COOLING SYSTEM. *TT
0503022002-11-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. IN SEVERE POLICE VEHICLE USE SITUATIONS THE FRONT EXHAUST O-RING STYLE HANGER MAY BECOME DISCONNECTED AND EVENTUALLY FALL OFF. *TT
0404022002-11-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. THIS MESSAGE IS IN REGARDS TO A CLICKING OR SNAPPING TYPE SOUND FROM THE ENGINE CRADLE ASSEMBLY DURING SLOW SPEED STEERING MANEUVERS. *TT
010601008A2002-10-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SOME OWNERS MAY COMMENT ON A REPEAT ENGINE OIL PAN LEAK. *TT
0206010142002-10-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SUBJECT REGARDING REVISED LOWER INTAKE MANIFOLD INSTALLATION. *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
0110012002-02-25. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. INFORMATION REGARDING WATER INTRUSION INTO THE OXYGEN SENSOR WIRING HARNESS. *YH
011302001-11-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT REGARDING CUSTOMER SATISFACTION CAMPAIGN BULLETIN #01060 - VALVE SPRINGS REPLACEMENT. *TT
010602001-11-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT REGARDING CUSTOMER SATISFACTION CAMPAIGN VALVE SPRING REPLACEMENT. *JG
010602001-11-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT REGARDING REPLACEMENT VALVE SPRINGS. *JG
01060A2001-11-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. INFORMATION REGARDING CUSTOMER SATISFACTION WITH THE REPLACEMENT OF VALVE SPRINGS. *JG

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