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Home >> Cadillac >> 2017 >> CTS Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 255 (Automatic Transmission - 8L45 (M5N) Or 8L90 (M5U) - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> 2-3-4-6-8 and 4-5-6-7-8 Reverse Clutch Assemble (8L90) >> 4-5-6-7-8 Reverse Clutch Piston Installation

4-5-6-7-8 Reverse Clutch Piston Installation

WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: 4-5-6-7-8 Reverse Clutch Piston
GM3703388Courtesy of GENERAL MOTORS COMPANY
4-5-6-7-8 Reverse Clutch Piston Installation

Callout Component Name
CAUTION: Refer to Seal Reuse Caution
1 4-5-6-7-8 Reverse Clutch Piston Seal
2 4-5-6-7-8 Reverse Clutch Piston Stop
NOTE: Note the orientation of the stop.
3 4-5-6-7-8 Reverse Clutch Piston
4 4-5-6-7-8 Reverse Clutch Piston Return Spring
NOTE: Note the orientation of the spring.
5 4-5-6-7-8 Reverse Clutch Piston Dam Seal
6 4-5-6-7-8 Reverse Clutch Piston Dam
7 4-5-6-7-8 Reverse Clutch Piston Dam Retaining Ring
NOTE:
  • Install a NEW retaining ring, it is not reusable.
  • The points on the retaining ring should face up.
  • It may be helpful to loosely install the retaining ring before installing the tool.

Special Tools 
  • DT-35512  Bearing Installer
  • DT-50900  Clutch Travel Support Fixture
  • DT-50902  Adjustable Clutch Spring Compressor

For equivalent regional tools, refer to Special Tools
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