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Service bulletins for the 2004 Cadillac XLR

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.

571 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
0406040132004-08-13. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LACK OF POWER, CHECK ENGINE LIGHT, TRACTION CONTROL LIGHT ON, DIAGNOSTIC TROUBLE CODE (DTC) P2108 SET. *TT
0406010072004-08-13. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. ACCESSORY DRIVE BELT CHIRP OR SQUEAL NOISE. *TT
016162004-07-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. NORTHSTAR ENGINE WITH P0300 MISFIRE CODES. *TT
019162004-07-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OIL LEAK IN THE BLOCK AT THREADED HOLE BEHIND AIR CONDITIONER (A/C) BRACKET. *TT
020632004-07-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CONCERN OF DIAGNOSTIC TROUBLE CODE (DTC) P0171, P0175. *TT
018672004-06-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CHECK OIL LEVEL PROCEDURE. *TT
01639A2004-06-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LH2 4.6L ENGINE FRONT AND REAR OIL LEAKS.*MR
016392004-06-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LH2 4.6L ENGINE FRONT AND REAR OIL LEAKS.*MR
020042004-05-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE MISS ON ONE BANK WITH DIAGNOSTIC TROUBLE CODE P0300 NO CAM PHASER DIAGNOSTIC TROUBLE CODE. *MR
018442004-05-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OILS LEAKS ON FRONT OF THE ENGINE. 4.6L LH2 ENGINE. *MR *TT
019212004-05-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.6L LH2 ENGINE EXCHANGE PROGRAM HAS ENDED. *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
018012004-04-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.6LH2 ENGINE- OIL LEAKS AT CRANK CASE HALVES, OIL MANIFOLD, AND OIL PAN GASKET.*MR
014802004-03-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.6L ENGINE SQUEAL NOISE HEARD DURING AN IDLE AT THE REAR MAIN SEAL AREA. *TT
015112004-03-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.6L ENGINE BLUE EXHAUST SMOKE ON START UP. SIT BULLETIN 1403379. *TT
015102004-03-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE DIAGNOSTIC TROUBLE CODE (DTC) P0315 ON LOW MILEAGE VEHICLES OR AFTER A POWER TRAIN CONTROL MODULE (PCM) REPLACEMENT. SIT BULLETIN 1403351. *TT
01454A2004-02-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.6L ENGINE WITH A COLD START, RATCHETING/CLICKING NOISES LASTS. SIT BULLETIN 1404308. *TT
01511A2004-02-24. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 4.6L LH2 ENGINE BLUE EXHAUST SMOKE ON START UP. SIT BULLETIN 1409303. *TT
0306040612004-01-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ON-BOARD DIAGNOSTIC (OBD) SYSTEM SOFTWARE UPGRADE. *TT
01503A2003-12-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.6L LH2 ENGINE WITH DIAGNOSTIC TROUBLE CODE (DTC) P2108. *TT
014542003-11-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. COLD START, LOUD RATCHETING/CLICKING TYPE NOISE THAT LASTS 1-2 SECONDS ON NORTHSTAR ENGINES. *TT
013922003-11-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.6L ENGINE, SOME DIAGNOSTIC TROUBLE CODE (DTC) CHARTS ARE NOT CURRENTLY AVAILABLE IN SI. *TT

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