A/T - 4T40-E/4T45-E Forward Clutch Piston Change
File In Section: 07 - Transmission/TransaxleBulletin No.: 00-07-30-013
Date: June, 2000
INFORMATION
Subject:
Forward Clutch Piston Change on 4T40-E/4T45-E Automatic Transaxles
Models:
1998-2000 Chevrolet Cavalier, Malibu
1998-1999 Oldsmobile Cutlass
1999-2000 Oldsmobile Alero
1998-2000 Pontiac Sunfire
1999-2000 Pontiac Grand Am
with 4T40-E or 4T45-E (RPOs MN4, MN5) Automatic Transaxle
Starting with transmission Julian date 9058, the forward clutch piston was changed for ease of assembly in manufacturing. The pistons will have the same part number (24208641), and either one may be used for service. Above is a picture showing the old design (1), and the new design (2).
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