4-5-6 Clutch Fluid Dam Installation

Fig 1: 4-5-6 Clutch Fluid Dam

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
1	4-5-6 Clutch Piston Return Spring Assembly
2	4-5-6 Clutch Piston Fluid Dam Assembly NOTE: The seal protector prevents the dam seal lip from damage during installation. Apply a thin coat of ATF to the I.D. of the seal protector to ease the installation of the dam. Special Tools DT-47951-1 Seal Protector for 6T40/45 applications DT-50117 Seal Protector for 6T50 applications For equivalent regional tools, refer to Special Tools .
3	4-5-6 Clutch Dam Retaining Ring CAUTION: Regulate the air pressure to 276 kPa (40 psi) maximum. High pressure could cause the piston to over travel and damage the piston seals. Procedure Leave the seal protector on the clutch housing while installing the retaining ring. Install the dam retainer clips DT 50117-1 seal protector to hold the seal protector in place. Use DT 46620-2 retaining clips and DT 50573 ring guide to install a NEW 4-5-6 clutch dam retaining ring. Assemble the ring "L" leg facing down, DT 50573 and DT 46620 and insert as an assembly onto the clutch hub to install the ring. Place the housing assembly onto the input shaft support inside the case. Apply shop air to the clutch fluid feed hole in the case to verify proper piston operation. Special Tools DT-47951-2 Spring Compressor DT 46620 Seal Installer DT 50117-1 Seal Protector DT 50117-2 Seal Protector Retaining Clips DT 50573 Retaining Ring Installer For equivalent regional tools, refer to Special Tools .

Callout

Component Name

4-5-6 Clutch Piston Return Spring Assembly

4-5-6 Clutch Piston Fluid Dam Assembly

NOTE: The seal protector prevents the dam seal lip from damage during installation. Apply a thin coat of ATF to the I.D. of the seal protector to ease the installation of the dam.

Special Tools

DT-47951-1 Seal Protector for 6T40/45 applications
DT-50117 Seal Protector for 6T50 applications

For equivalent regional tools, refer to Special Tools .

4-5-6 Clutch Dam Retaining Ring

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

Procedure

Leave the seal protector on the clutch housing while installing the retaining ring. Install the dam retainer clips DT 50117-1 seal protector to hold the seal protector in place.
Use DT 46620-2 retaining clips and DT 50573 ring guide to install a NEW 4-5-6 clutch dam retaining ring. Assemble the ring "L" leg facing down, DT 50573 and DT 46620 and insert as an assembly onto the clutch hub to install the ring.
Place the housing assembly onto the input shaft support inside the case. Apply shop air to the clutch fluid feed hole in the case to verify proper piston operation.

Special Tools

DT-47951-2 Spring Compressor
DT 46620 Seal Installer
DT 50117-1 Seal Protector
DT 50117-2 Seal Protector Retaining Clips
DT 50573 Retaining Ring Installer

For equivalent regional tools, refer to Special Tools .