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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 110 (Automatic Transmission - 6L90 (MYD) - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> 1-2-3-4 and 3-5 Reverse Clutch Overhaul >> 1 - 2 - 3 - 4 Clutch Piston Installation

1 - 2 - 3 - 4 Clutch Piston Installation

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
GM1555380Courtesy of GENERAL MOTORS COMPANY
1 - 2 - 3 - 4 Clutch Piston Installation

Callout Component Name
1 1-2-3-4 Clutch Piston
2 1-2-3-4 Clutch Spring
CAUTION:

Ensure the clutch spring is centered on the piston with the tabs facing up. Failure to do so may cause damage to the clutch assembly.

3 1-2-3-4 Clutch Piston Dam
NOTE:

Lubricate the inner and outer surfaces of the dam assembly with ATF in order to ease installation into the piston. Install the tabs facing up.

4 1-2-3-4 Clutch Piston Dam Retaining Ring
CAUTION:

Use care when compressing the 1 - 2 - 3 - 4 clutch spring and dam assembly. Compressing the dam assembly too much may damage it.

CAUTION:

Refer to Retaining Ring Reuse Caution .


Special Tool 
J-38734  Intermediate Spring Compressor Adapter
Equivalent regional tools:Special Tools