Case Extension 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-50897 Bearing Installer
GE-8092 Driver Handle

Equivalent regional tools:Special Tools

Courtesy of GENERAL MOTORS COMPANY

Automatic Transmission Case Extension Hole Plug (1) - Install and tighten [2x]11N.m (97 lb ft)
Courtesy of GENERAL MOTORS COMPANY

Assemble the tools as shown. Use the GE-8092 Driver Handle with DT-50897 Bearing Installer.
Output Shaft Bearing (1) - Install
1-2-3-4-5-Reverse Clutch Piston Inner Seal (2) - Install NEW
1-2-3-4-5-Reverse Clutch Piston Outer Seal (3) - Install NEW
1-2-3-4-5-Reverse Clutch Piston (4) - Install
Courtesy of GENERAL MOTORS COMPANY

1-2-3-4-5-Reverse Clutch Piston Return Spring (1) - Install
1-2-3-4-5-Reverse Clutch Piston O-Ring Seal (2) - Install NEW
1-2-3-4-5-Reverse Clutch Piston Inner Seal (3) - Install NEW
1-2-3-4-5-Reverse Clutch Piston Dam Seal (4) - Install NEW
1-2-3-4-5-Reverse Clutch Piston Dam (5) - Install
Use DT-38734 adapter and an arbor press to install the retaining ring.
1-2-3-4-5-Reverse Clutch Piston Dam Retaining Ring (6) - Install NEW