Case Extension Assemble (8L90)

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Special Tools

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 in)
Fig 1: Exploded View Of 1-2-3-4-5 Reverse Clutch Piston Components
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
Fig 2: Exploded View Of 1-2-3-4-5-Reverse Clutch Piston Dam Components
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