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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 Assemble >> 2-3-4-6-8 Clutch Piston Installation

2-3-4-6-8 Clutch Piston Installation

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: 2-3-4-6-8 Clutch Piston
GM3703382Courtesy of GENERAL MOTORS COMPANY
2-3-4-6-8 Clutch Piston Installation

Callout Component Name
CAUTION:

Refer to Seal Reuse Caution .

1 2-3-4-6-8 Clutch Piston Seal
Procedure 
Install a NEW seal. Do NOT reuse the old seal.
2 2-3-4-6-8 Clutch Piston
3 2-3-4-6-8 Clutch Piston Return Spring
Procedure 
Position the spring in the orientation as observed during removal.
4 2-3-4-6-8 Clutch Piston Dam Seal - Inner
Procedure 
Install a NEW seal. Do NOT reuse the old seal.
5 2-3-4-6-8 Clutch Piston Dam Seal - Outer
Procedure 
Install a NEW seal. Do NOT reuse the old seal.
6 2-3-4-6-8 Clutch Piston Dam
7 2-3-4-6-8 Clutch Piston Dam Retaining Ring
Procedure 
NOTE:

It may be helpful to loosely install the retaining ring before installing the tool.


Install a NEW 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