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HOMESERVICE MANUALSBUICK1998REGAL 25TH ANNIVERSARY EDITIONREPAIR AND DIAGNOSIS (SINGLE PAGE)TRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSAXLE OVERHAUL & TESTING - 4T65-ETRANSAXLE DISASSEMBLYREVERSE BAND SERVO
1998 Buick Regal 25th Anniversary Edition

Reverse Band Servo

1998 Buick Regal 25th Anniversary EditionSECTION Reverse Band Servo
  1. Remove torque converter and turbine shaft "O" ring seal. Install Holding Fixture (J-28664-B) onto transaxle. See Fig 1. Install transaxle and holding fixture into Base (J-3289-20). Insert pin into base to hold transaxle in desired position. Using a long screwdriver, depress reverse band servo cover by prying against holding fixture. Pry out retaining ring from reverse band servo cover. See Figure.
  2. Remove screwdriver. Servo assembly will push servo cover up. Using a small screwdriver, pull servo cover "O" ring seal out through slot in case. Cut servo "O" ring seal. Depress reverse band servo cover. Grasp one end of cut seal and pull it out of servo cover. Servo assembly will push servo cover up. Remove servo cover, reverse band servo assembly and reverse band servo piston return spring.
Fig 1: Installing Transaxle Holding Fixture & Base
G98E01964Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.