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Home >> Cadillac >> 2019 >> CTS Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 133 (Automatic Transmission - 8L45 (M5N) Or 8L90 (M5U) - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Case Extension Disassemble (8L90) >> 1-2-3-4-5-Reverse Clutch Piston Dam Removal

1-2-3-4-5-Reverse Clutch Piston Dam Removal

WARNING: This page is about a different car, the 2018 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Exploded View Of 1-2-3-4-5-Reverse Clutch Piston Dam Components
GM3774675Courtesy of GENERAL MOTORS COMPANY
1-2-3-4-5-Reverse Clutch Piston Dam Removal

Callout Component Name
1 1-2-3-4-5-Reverse Clutch Piston Dam Retaining Ring

Procedure

  1. Use DT-47693-2  compressor and an arbor press to install the retaining ring.
  2. Remove and DISCARD the retaining ring, it is not reusable.

Special Tool 
DT-38734  Intermediate Spring Compressor Adapter
Equivalent regional tools: Special Tools
2 1-2-3-4-5-Reverse Clutch Piston Dam
3 1-2-3-4-5-Reverse Clutch Piston Dam Seal
CAUTION:

Refer to Seal Reuse Caution .


Procedure 
Remove and DISCARD the seal.
4 1-2-3-4-5-Reverse Clutch Piston Inner Seal
Procedure 
Remove and DISCARD the seal.
5 1-2-3-4-5-Reverse Clutch Piston O-Ring Seal
Procedure 
Remove and DISCARD the seal.
6 1-2-3-4-5-Reverse Clutch Piston Return Spring