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2007 Chevrolet Impala | Impala, Monte Carlo VIN W Service Manual | Document ID: 2838644
#06-07-30-023E: 4T65E Transmission 1-2 Shift Shudder at Light to Moderate Acceleration (Replace 2nd Clutch Plates and Sealing Rings) - (May 2, 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)
This bulletin is being revised to update model years. Please discard Corporate Bulletin Number 06-07-30-023D (Section 07 – Transmission/Transaxle).
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.
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.
Object ID: 1859782Click here for detailed picture of the image.
Object ID: 48711Click here for detailed picture of the image.
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).
Object ID: 1859781Click here for detailed picture of the image.
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.
Gasket Kit, Case Cover
Plate, 2nd Clutch-Steel
Plate, 2nd Clutch-Fiber
Seal, 2nd Clutch Housing Fluid Seal Ring
88861037 (1 qt – US)
19264717 (1 L – Canada)
DEXRON VI Auto Trans Fluid
For vehicles repaired under warranty, use:
Clutch, Second – Replace
Use Published Labor Operation Time
GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information.
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