WenmarOpen by Wenmar Pro

Service bulletin 030730029

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10012562
Published by NHTSA2005-03-08
Manufacturer's number030730029
Manufacturer's date2003-07-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

CHANGES FOR 2004 MODEL YEAR FOR 4T65E TRANSAXLE - INTERNAL CHANGES TO VALVE BODY, SPACER PLATE AND CHANNEL PLATE AND TOUCH ACTIVATED POWER (TAP). *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline, Automatic transmission

Vehicles listed
BUICK CENTURY2004
BUICK LESABRE2004
BUICK PARK AVENUE2004
BUICK REGAL2004
BUICK RENDEZVOUS2004
CHEVROLET IMPALA2004
CHEVROLET MONTE CARLO2004
CHEVROLET VENTURE2004
OLDSMOBILE SILHOUETTE2004
PONTIAC AZTEK2004
PONTIAC BONNEVILLE2004
PONTIAC GRAND PRIX2004
PONTIAC MONTANA2004

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
06-00-89-031D2021-09-07. Service bulletin. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
06-00-89-031D2021-04-20. Service bulletin. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
01-00-89-010J2018-05-21. Service bulletin. 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. This informational bulletin provides technicians with information regarding automatic transmission oil cooler flow test essential tool J-45096 TransFlow®.
RB-08206A2009-07-20. Service bulletin. CADILLAC PONTIAC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE SECONDARY AIR INJECTION (SAI) SYSTEM MAY HAVE BEEN DISABLED AS THE RESULT OF A PREVIOUS SERVICE PROCEDURE THAT INCLUDED POWERTRAIN CONTROL MODULE (PCM) REPROGRAMMING OR REPLACEMENT. ONLY VEHICLES EQUIPPED WITH 4.6L V8 (RPO LD8, L37 ENGINE. CSC LETTER WAS RECEIVED. *PE
08-07-30-0022008-08-21. Service bulletin. INFORMATION 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 UPDATE 6/11/10. *PE
0807300022008-07-09. Service bulletin. 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
0607300232007-01-08. Service bulletin. 4T65E TRANSMISSION 1-2 SHIFT SHUDDER AT LIGHT TO MODERATE ACCELERATION. REPLACE COMPLETE SECOND CLUTCH ASSEMBLY. *KB
36922006-03-15. Service bulletin. TICKING OR KNOCKING NOISE, CRACKED OR BROKEN FLEXPLATE. *TT
3641A2006-01-25. Service bulletin. CANNOT SHIFT VEHICLE OUT OF PARK WITH DEAD OR LOW BATTERY. *TT