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Service bulletins for the 2004 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.

470 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
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
018192004-06-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INTERMITTENT DIAGONOSTIC TROUBLE CODE (DTC) P0135, P0155 SET AFTER OXYGEN SENSOR REPLACEMENT. *MJ
019222004-05-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE CRANK, NO START CONCERN ALSO MAY HAVE DIAGNOSTIC TROUBLE CODES (DTC). *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
017692004-04-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.6L L37 LD8 ENGINE PCM (P7 CONTROLLER) PARTS RESTRICTION THROUGH PQC. *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
018002004-04-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.6L LD8, L37 ENGINE- IGNITION COIL DTC P0351-P0358 IS REFERRINF TO THE FIRING ORDER NOT THE ACTUAL CYLINDER. ALSO MODELS 2005 CADILLAC SEVILLE & DEVILLE. *MR
00062A2004-02-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE EXHAUST LEAK NOISE HEARD INSIDE THE VEHICLE. SIT BULLETIN 1412205. *TT
015662004-02-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.6 L37 LD8 ENGINE TECH 2 UPDATE TO HELP DIAGNOSE A OIL LEVEL LIGHT ON. SIT BULLETIN 1411318. *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
0306010272004-01-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. THIS BULLETIN IS BEING ISSUED TO INFORM DEALERS OF ENHANCEMENTS TO CRANKCASE, OIL DISTRIBUTION PLATE AND OIL PAN SEALING BY USING RTV SEALANT. *TT
014472003-11-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LOW ENGINE OIL LEVEL MESSAGE ON. *TT
014012003-11-22. Service bulletin. ENGINE AND ENGINE COOLING. 4.6L ENGINE COOLANT LEAK. *TT
01384A2003-11-20. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.6L (L37, LD8) ENGINE WITH A LACK OF POWER AND POSSIBLE DIAGNOSTIC TROUBLE CODE (DTC) P0336. *TT
013882003-11-20. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. FRONT ENGINE MOUNT REPLACEMENT DUE TO CLUNK NOISE. SERVICE VME. *TT
013832003-11-20. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. 4.6L (L37) (LD8) ENGINE EXHAUST LEAK NOISE HEARD AT THE FRONT EXHAUST MANIFOLD. *TT
020604024D2002-10-07. Service bulletin. ENGINE AND ENGINE COOLING. SERVICE ENGINE SOON OR CHECK ENGINE SOON MALFUNCTION INDICATOR LAMP BEING ILLUMINATED. *TT 02-06-04-024E NOT YET RECEIVED. *TT

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