1-3-5-6-7 Clutch Assemble

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools

DT-38734 Intermediate Spring Compressor Adapter
DT-50906 Bearing Installer
DT-50910 Seal Installer
DT-50911 Seal Installer

Equivalent regional tools:Special Tools

Courtesy of GENERAL MOTORS COMPANY

Use DT-50906 installer and a press to install the bearing.

NOTE:

Press on the marked side of the bearing.

1-3-5-6-7 Clutch Thrust Bearing (1) - Install
Courtesy of GENERAL MOTORS COMPANY

CAUTION:
Refer to Seal Reuse Caution .

1-3-5-6-7 Clutch Piston Seal- Outer (1) - Install NEW
1-3-5-6-7 Clutch Piston Seal- Inner (2) - Install NEW
1-3-5-6-7 Clutch Piston Dam Seal (3) - Install NEW
1-3-5-6-7 Clutch Piston (4) - Install
Courtesy of GENERAL MOTORS COMPANY

1-3-5-6-7 Clutch Plate (1) - Install - with LT1 (Qty: 4), with LT4 (Qty: 5)
1-3-5-6-7 Clutch Plate - Friction (2) - Install - with LT1 (Qty: 4), with LT4 (Qty: 5)
1-3-5-6-7 Clutch Backing Plate (3) - Install
Select the correct retaining ring. 1-3-5-6-7 Clutch Backing Plate Retaining Ring Measurement
1-3-5-6-7 Clutch Backing Plate Retaining Ring (4) - Install
Courtesy of GENERAL MOTORS COMPANY

1-3-5-6-7 Clutch Piston Return Spring (1) - Install
1-3-5-6-7 Clutch Piston Dam (2) - Install
Use the DT-38734 adapter and a press to install the retaining ring.
1-3-5-6-7 Clutch Piston Dam Retaining Ring (3) - Install NEW
Courtesy of GENERAL MOTORS COMPANY

CAUTION:
Refer to Seal Reuse Caution .

Turbine Shaft Seal (1) - Install NEW
Turbine Shaft (2) - Install
Turbine Shaft Retaining Ring (3) - Install NEW
Turbine Shaft Seal (4) - Install NEW
Courtesy of GENERAL MOTORS COMPANY

CAUTION:
Do not use old seal rings. Install NEW seal rings. Reusing old seal rings may cause internal transmission leaks and transmission damage.

CAUTION:
Size the fluid seal rings for at least 5 minutes after installation to obtain proper seal ring size. Failure to do so may cause internal transmission leaks and transmission damage.

Adjust the turn screw on DT-50910-3 seal protector and install the bottom seal ring first.
Turbine Shaft Fluid Seal Ring (1) - Install NEW [4x]
Use the large taper side of DT-50910-1 seal sizer for initial seal sizing, then flip the tool over for final sizing.
Courtesy of GENERAL MOTORS COMPANY

CAUTION:
Do not use old seal rings. Install NEW seal rings. Reusing old seal rings may cause internal transmission leaks and transmission damage.

CAUTION:
Size the fluid seal rings for at least 5 minutes after installation to obtain proper seal ring size. Failure to do so may cause internal transmission leaks and transmission damage.

Adjust the turn screw on DT-50911-3 seal protector and install the bottom seal ring first.
Turbine Shaft Fluid Seal Ring (1) - Install NEW [3x]
Use the large taper side of DT-50911-1 seal sizer for initial seal sizing, then flip the tool over for final sizing.