1-2-3-4 Clutch Piston Installation

WARNING: This page is about a different variant/trim than selected.

Fig 1: View Of 1-2-3-4 Clutch Piston

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
1	1-2-3-4 Clutch Piston NOTE: DT-47798 protector prevents the piston seal lip from damage during installation. Apply a thin coat of ATF to the ID of DT-47798 protector to ease the installation of the piston. Special Tools DT-47798 Seal Protector
2	1-2-3-4 Clutch Spring
3	1-2-3-4 Clutch Spring Retainer CAUTION: Regulate the air pressure to 276kPa (40psi) maximum. High pressure could cause the piston to over travel and damage the piston seals. Procedure Place the retainer onto DT-47799-1 which is part of DT-47799 compressor. Compressing the spring using DT-47799-2 which is part of DT-47799 compressor , will install the retainer into the retainer groove. Apply shop air to the clutch fluid feed hole in the clutch housing to verify proper piston operation. Special Tools DT-47799 Clutch Piston Spring Compressor

Callout

Component Name

1-2-3-4 Clutch Piston

NOTE:

DT-47798 protector prevents the piston seal lip from damage during installation. Apply a thin coat of ATF to the ID of DT-47798 protector to ease the installation of the piston.

Special Tools
DT-47798 Seal Protector

1-2-3-4 Clutch Spring

1-2-3-4 Clutch Spring Retainer

CAUTION:

Regulate the air pressure to 276kPa (40psi) maximum. High pressure could cause the piston to over travel and damage the piston seals.

Procedure

Place the retainer onto DT-47799-1 which is part of DT-47799 compressor. Compressing the spring using DT-47799-2 which is part of DT-47799 compressor , will install the retainer into the retainer groove.
Apply shop air to the clutch fluid feed hole in the clutch housing to verify proper piston operation.

Special Tools
DT-47799 Clutch Piston Spring Compressor