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Service bulletins for the 2004 Buick LeSabre

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.

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

By type

By component

By trouble code

Only bulletins with component: Automatic transmission are shown. Show all

Bulletins, newest first
06-00-89-031D2021-09-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN; ENGINE. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
01-00-89-010J2018-05-21. Service bulletin. ENGINE; SERVICE BRAKES; EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION. This informational bulletin provides a revision for 01-00-89-010I to add the 2013 model year.
02-07-30-052J2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. This informational bulletin provides technicians with information regarding automatic transmission oil cooler flow test essential tool J-45096 TransFlow®.
0807300022008-07-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATIONAL ON 4T65-E MN7, M15 AND M76 FRONT WHEEL DRIVE AUTOMATIC TRANSMISSION VALVE BODY RECONDITIONING, DTCS P0741, P0742, P0757, P842, HARSH SHIFTS OR SLIPS. *PE
36922006-03-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. TICKING OR KNOCKING NOISE, CRACKED OR BROKEN FLEXPLATE. *TT
3365A2005-10-24. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. TICKING OR KNOCKING NOISE CRACKED OR BROKEN FLEXPLATE. VARIOUS MODELS INCLUDING OLDSMOBILE BONNEVILLE 2006. *TT
0307300292005-03-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. CHANGES FOR 2004 MODEL YEAR FOR 4T65E TRANSAXLE - INTERNAL CHANGES TO VALVE BODY, SPACER PLATE AND CHANNEL PLATE AND TOUCH ACTIVATED POWER (TAP). *TT
31022004-11-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. SERVICE VME 01-04 VEHICLE EQUIPPED WITH 4T65E AUTOMATIC TRANSMISSION 4T65E TRANSMISSION VALVE BODY INSPECTION PROCEDURE. (TO INCLUDE 2004 PONTIAC AZTEC) *SC ALL 2001 - 2006 PASSENGER VEHICLES WITH 4T65E TRANSAXLE. *TT
012320042004-09-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. TRANSMISSION FLUID LEAK FROM REVERSE SERVO COVER AT AMBIENT TEMPERATURES. TRANSMISSION FLUID MAY BE DETECTED ON THE LOWER PAIN RAIL OR CASE SIDE. MOST LEAK REPORTS HAVE BEEN FOUND DURING PREDELIVERY INSPECTION. GM VOICEMAIL EXPRESS. *TT
014322003-12-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. AUTOMATIC TRANSMISSION POOR ACCELERATION, PERFORMANCE. *TT
014312003-11-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). INCORRECT POWERTRAIN CONTROL MODULE (PCM) PART NUMBER SETTING DIAGNOSTIC TROUBLE CODE (DTC) P0135. *TT

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