LaCrosse V6-3.6L (2007)
Clutch: Customer Interest
A/T - 4T65E 1-2 Shift Shudder On Light Acceleration
TECHNICAL
Bulletin No.: 06-07-30-023C
Date: October 15, 2009
Subject: 4T65E Transmission 1-2 Shift Shudder at Light to Moderate Acceleration (Replace Complete Second Clutch Assembly)
Models:
2001-2004 Buick Regal
2001-2005 Buick Century, LeSabre
2002-2007 Buick Rendezvous
2005-2007 Buick Terraza, LaCrosse, Allure (Canada Only)
2006-2007 Buick Lucerne
2001-2005 Chevrolet Venture
2001-2007 Chevrolet Impala, Monte Carlo
2005-2007 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
2001-2007 Pontiac Grand Prix
2005-2007 Pontiac Montana SV6
2006-2007 Pontiac G6 GTP
2005-2007 Saturn Relay
with 4T65E Automatic Transmission (RPOs MN3, MN7, M15, M76)
Supercede:
This bulletin is being revised to update parts information. Please discard Corporate Bulletin Number 06-07-30-023B (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 complete second clutch assembly with service kit, P/N 24240561. Refer to the GM Unit Repair Service Manual for the year and model of
the vehicle being serviced for the 2nd Clutch service procedure.
