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Home >> Cadillac >> 2018 >> Escalade Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 25 (Automatic Transmission - 8L90 (M5U) - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> 2-3-4-6-8 And 4-5-6-7-8 Reverse Clutch Disassemble >> 4-5-6-7-8 Reverse Clutch Piston Removal

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

WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. 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
GM3681737Courtesy of GENERAL MOTORS COMPANY
4-5-6-7-8 Reverse Clutch Piston Removal

Callout Component Name
1 4-5-6-7-8-Reverse Clutch Piston Dam Retaining Ring
Procedure 
DISCARD the retaining ring.

Special Tools

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

Equivalent regional tools: Special Tools
2 4-5-6-7-8-Reverse Clutch Piston Dam
Procedure 
Use the DT-50905  clutch air travel adapter with compressed air to remove the piston and piston dam as an assembly.
Special Tool 
DT-50905  Clutch Air Travel Adapter
Equivalent regional tools: Special Tools
3 4-5-6-7-8-Reverse Clutch Piston Seal
CAUTION:

Refer to Seal Reuse Caution .


Procedure 
DISCARD the seal.
4 4-5-6-7-8-Reverse Clutch Piston Return Spring
NOTE:

Observe the orientation of the spring for assembly.

5 4-5-6-7-8-Reverse Clutch Piston
6 4-5-6-7-8-Reverse Clutch Piston Stop
NOTE:

Observe the orientation of the stop for assembly

7 4-5-6-7-8-Reverse Clutch Piston Seal
CAUTION:

Refer to Seal Reuse Caution .


Procedure 
DISCARD the seal.