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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 Plate Installation

1 - 2 - 3 - 4 Clutch Plate Installation

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GM1555387Courtesy of GENERAL MOTORS COMPANY
1 - 2 - 3 - 4 Clutch Plate Installation

Callout Component Name
1 1-2-3-4 Clutch Plate - (Waved)
CAUTION:

Ensure an opening between the external splines of the waved plate is centered over the missing snap ring groove punch in the housing. Failure to do so may cause damage to the clutch assembly.

2 1-2-3-4 Clutch Plate [5x]
CAUTION:

Ensure all clutch plates are centered in the housing. When installing the first steel clutch plate, ensure an opening between the external splines is centered over the missing snap ring groove punch in the housing. Align the external splines of each remaining steel clutch plate with the first steel clutch plate. Failure to do so may cause damage to the clutch assembly.

3 1-2-3-4 Clutch Plate - Friction [5x]
4 1-2-3-4 Clutch Backing Plate
CAUTION:

Align the external splines of the backing plate with the external splines of the steel clutch plates. Failure to do so may cause damage to the clutch assembly.

CAUTION:

Ensure the 1-2-3-4 Clutch Backing Plate is installed correctly to prevent mechanical damage.


Procedure 
If the plate has UP stamped on it, install that side up. If the plate has 3 circle marks spaced 120 degrees apart stamped on it, install that side up. If no identification marks are present, install sharp edge up, chamfer side down.
5 1-2-3-4 Clutch Backing Plate Retaining Ring
CAUTION:

Depending on the housing configuration, align the retaining ring gap with the missing snap ring groove punch in the housing or the offset punch in the housing. Failure to do so may cause damage to the clutch assembly.

NOTE:

After the retaining ring is installed, determine clutch piston travel in order to verify if the correct selective retaining ring is being used. Refer to 1-2-3-4 Clutch Backing Plate Retaining Ring Measurement .