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Service bulletins for the 2004 Cadillac CTS

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.

567 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
31282004-11-03. Service bulletin. ENGINE AND ENGINE COOLING. WHINE NOISE FROM FRONT OF ENGINE. *TC
31272004-11-03. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE WHINE NOISE. TC
30122004-08-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. HOOT,WHINE, WHISTLE NOISE COMING FROM DASH. *MJ
30252004-08-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 04 MODEL YEAR 4.8.5.3.7.6.0 GEN III ENGINE PISTON PIN INFORMATION. *MJ
0406050022004-08-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. RATTLE/BUZZ TYPE NOISE FROM UNDER ENGINE COMPARTMENT DURING ACCELERATION / DECELERATION. *TT
0408490172004-08-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OIL TEMPERATURE GAUGE WARNING. *MJ THIS BULLETIN REPLACES PREVIOUS BULLETIN NUMBER 04-08-49-017 DATED 05/01/2004. *TT
016202004-06-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LY7 3.6L ENGINE VALVE TRAIN TICK NOISE.*MR
020132004-05-26. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. COOLANT LEAK FROM HEAD CUP PLUGS ON GEN III ENGINES. *MR
020002004-05-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LOW OR NO OIL PRESSURE ON 2000 LS6 ENGINES. *MR
020022004-05-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE- LOW MILEAGE MISFIRE. *MR
019862004-05-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. VALVETRAIN TICK OR CHATTER- ENGINE. *MR
018362004-05-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 3.6L LY7 ENGINE- ENGINE OIL LEAK. *MR
018422004-05-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. COUPLED CONVERTER AND CATASTROPHIC ENGINE FAILURE. *MR
018862004-05-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL TEMPERATURE RUNNING HIGH. *MR
019062004-05-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. TICKING NOISE ON ACCELERATION. *MR
017812004-04-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 3.6L LY7 ENGINE- RATTLE NOISE COMING FROM THE ENGINE.*MR
0306040642004-02-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ROUGH IDLE AFTER COLD START. *TT
0306040602004-01-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INFORMATION ON NEW SPARK PLUGS AND GAPPING. VARIOUS MODELS INCLUDING PONTIAC GTO 2004. *TT
014292003-11-20. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 3.6L LY7 ENGINE, INTERMITTENT STALL SETTING A DIAGNOSTIC TROUBLE CODE (DTC) P0336. *TT
01346A2003-11-20. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE CONTROL MODULE (ECM) IDLE LEARN PROCEDURE. *TT
01328A2003-11-20. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE CONTROL MODULES (ECMS) ARE AVAILABLE FROM GMSPO. *TT

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