WenmarOpen by Wenmar Pro

Service bulletins for the 2001 Cadillac Deville

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.

426 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
PIT3173C2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician that fluid contamination may be directed to one of the following testing centers according to the type of fluid needing testing. Dealer should send the correct fluid to the proper testing center.
PIP51632017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.
PIP52262017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.
PIP5163A2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.
PIP5029G2017-05-16. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE A MALFUNCTION INDICATOR LAMP ON OR ENGINE MISFIRE, ROUGH IDLE, EXTENDED CRANK, OR CRANK NO START IN SOME CASES. TECHNICIAN WILL NEED TO PERFORM PUBLISHED SERVICE INFORMATION DIAGNOSTICS. IF TECHNICIAN FINDS CARBON, AN UPPER ENGINE AND VALVE CLEANING SHOULD BE PERFORMED.
PI1394A2016-10-19. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES ADDITIONAL INFORMATION ON HOW TO INSTALL PISTONS AND SUGGEST WHAT TOOLS TO USE.
000601012F2016-10-18. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION TO GM DEALERS ON THE CORRECT CLEANING METHODS WHEN CLEANING ENGINE GASKET SEALING SURFACES.
0508610072007-03-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CLUNK NOISE FROM FRONT OF VEHICLE WHILE DRIVING OR SHIFTING IN AND OUT OF GEAR. *KB
39512006-11-20. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. KNOCKIG NOISES OR EXCESSIVE OIL CONSUMPTION. VEHICLES WITH LD8 OR L37 4.6L V8 ENGINES. *KB
7092005-12-15. Service bulletin. ENGINE AND ENGINE COOLING. OIL LIFE SYSTEM RESET PROCEDURES - CARS. GM TECH LINK. *TT
08042005-04-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL LIFE SYSTEM RESET PROCEDURES - CARS. *NM
070120042005-04-29. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. RADIATOR SUPPORT SIGHT SHIELD. *SC
0406040222005-03-08. Service bulletin. ENGINE AND ENGINE COOLING. POWERTRAIN CONTROL MODULE WILL NOT PROPERLY COMMUNICATE ON BOARD DIAGNOSTIC OXYGEN SENSOR TEST INFORMATION TO NON-TECH2 SERVICE OR TEST EQUIPMENT. *EH
0406050082005-02-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. AVAILABILITY OF EXHAUST MUFFLER FOR SERVICE. *TT
30362004-10-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. NORTHSTAR UPDATED CRANKSHAFT SENSORS. *TT
30352004-10-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON (SES) LIGHT ON, SES LIGHT ON AND CHUGGLE OR SURGE. DIAGNOSTIC TROUBLE CODE P0741 (TCC STUCK OFF). *TT
020792004-07-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. UPDATED CRANKSHAFT SENSORS. 4.6L LD8 L37 ENGINE NORTHSTAR. *TT
021032004-07-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4T80E MH1 SERVICE ENGINE SOON (SES) LIGHT ON WITH DIAGNOSTIC TROUBLE CODE (DTC) P0741 (TCC STUCK OFF). *TT
020062004-05-20. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.6L LD8, L37 ENGINE GUIDELINES FOR ENGINE REPLACEMENT. *MR
017922004-04-28. Service bulletin. ENGINE AND ENGINE COOLING. 4.0L L47, 4.6L LD8 L37 ENGINE WATER PUMP COVER P/N 12571913- THERMOSTAT LOOSE. ALSO INCLUDING MODEL 2003 CADILLAC ELDORADO. *MR
017712004-04-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.0L L47, 4.6L LD8, L37, LH2 ENGINE COOLANT OR OIL LEAK.*MR
00062A2004-02-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE EXHAUST LEAK NOISE HEARD INSIDE THE VEHICLE. SIT BULLETIN 1412205. *TT
030602004B2004-02-11. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. LOSS OF ENGINE COOLANT. *TT
0306010292004-02-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. REVISED FRONT ENGINE MOUNT AND REPLACEMENT PROCEDURE. *TT
0915032004-01-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CLUNK NOISE BEING EMITTED FROM FRONT ENGINE MOUNT. GM VOICEMAIL LOG. *TT

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