TSB 06-07-30-023D (S: A/T - 1-2 Shift Shudder at Light to Moderate Accel.

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TECHNICAL Bulletin No.: 06-07-30-023E Date: May 02, 2012 Subject: 4T65E Transmission 1-2 Shift Shudder at Light to Moderate Acceleration (Replace 2nd Clutch Plates and Sealing Rings) Models: 2001-2004 Buick Regal 2001-2005 Buick Century, LeSabre 2002-2007 Buick Rendezvous 2005-2007 Buick Terraza 2005-2008 Buick Allure (Canada Only) 2005-2009 Buick LaCrosse 2006-2011 Buick Lucerne 2001-2005 Chevrolet Venture 2001-2007 Chevrolet Monte Carlo 2001-2011 Chevrolet Impala 2005-2008 Chevrolet Uplander 2006-2007 Chevrolet Malibu SS, Malibu Maxx SS 2001-2002 Oldsmobile Intrigue 2001-2003 Oldsmobile Aurora 2001-2004 Oldsmobile Silhouette 2001-2005 Pontiac Aztek, Bonneville, Montana 2001-2008 Pontiac Grand Prix 2005-2008 Pontiac Montana SV6 2006-2008 Pontiac G6 GTP 2005-2007 Saturn Relay Equipped with 4T65E Automatic Transmission (RPOs MN3, MN7, M15, M76) Supercede: This bulletin is being revised to update model years. Please discard Corporate Bulletin Number 06-07-30-023D (Section 07 - Transmission/Transaxle). Condition Some customers may comment on a 1-2 shift shudder at light to moderate acceleration. Typically, the throttle plate angle parameter is 12-20% at time of condition with vehicle speed of approximately 24-40 km/h (15-25 mph). The customer may describe the condition as slip or delayed shift into second. Correction Replace the second clutch (5) steel plates (625) (24204104), (6) fiber plates (624) (24205361), and (2) oil sealing rings (613) (24209498). Refer to GM unit repair service manual for the year and model of the vehicle being serviced for the 2nd clutch service procedure. Additional parts needed to complete the repair - a Case Cover Lower Gasket (429) and a Case Cover Upper Gasket (430). These gaskets can be obtained by ordering gasket kit 24206391. Disassemble ONLY the Oil Pump Assembly from the Case Cover (Complete). DO NOT disassemble the Control Valve Body from the Case Cover. Remove ONLY the Case Cover-to-Case bolts to remove the Case Cover and Valve Body from Transmission Case AS AN ASSEMBLY . To access all Case Cover-to-Case bolts, it is necessary to remove the Pressure Control Solenoid Valve Assembly (322), and 1-2 & 3-4 Shift Solenoid Valve Assemblies (315A, 315B). Important This service kit does not contain the gaskets and/or seals necessary to service the Case Cover and Control Valve Body, if they are disassembled from each other. Please review the graphic above for Pump Body-to-Case (230), Pump Cover-to-Case (231), Control Valve Body-to-Case (377), Manual Shift Detent Assembly-to-Case (805), and Case Cover-to-Case (433, 434, 435, 436, 374, 379, 380, 384) bolt locations. Notice Failure to use all parts as instructed will cause improper function, and possible transmission distress. Parts Information Warranty Information For vehicles repaired under warranty, use table. Disclaimer