GM Service Manual Online
For 1990-2009 cars only
Table 1: Low and Reverse Clutch Plate Removal
Table 2: Low and Reverse Clutch Piston Removal
Table 3: Low and Reverse Clutch Piston Installation
Table 4: Low and Reverse Clutch Plate Installation

Low and Reverse Clutch Plate Removal


Object Number: 1748746  Size: MF

Low and Reverse Clutch Plate Removal

Callout

Component Name

1

Low and Reverse Clutch Backing Plate Retaining Ring

2

Low and Reverse Clutch Backing Plate

3

Low and Reverse Clutch Plate Assembly (Qty: 6)

4

Low and Reverse Clutch Plate (Qty: 6)

5

Low and Reverse Clutch (Waved) Plate

Low and Reverse Clutch Piston Removal


Object Number: 1748747  Size: MF

Low and Reverse Clutch Piston Removal

Callout

Component Name

1

Low and Reverse Clutch Spring Retaining Ring

Notice: Ensure the DT-48069 contacts the sprag assembly and not the sprag retaining ring or damage to the sprag may result.

Special Tools

DT-48069 Low Clutch Spring Compressor

2

Low Clutch Sprag Assembly

3

Low and Reverse Clutch Spring

4

Low and Reverse Clutch Piston Assembly

Tip
It may be necessary to apply air to the apply passage in order to unseat the piston.

5

Low Clutch Sprag Seal

Notice: Refer to Seal Reuse Notice in the Preface section.

Low and Reverse Clutch Piston Installation


Object Number: 1748748  Size: MF

Low and Reverse Clutch Piston Installation

Callout

Component Name

1

Low and Reverse Clutch Piston Assembly

Tip
Lubricate the inner and outer sealing surfaces of the piston assembly with automatic transmission fluid (ATF) in order to ease installation into the center support assembly.

2

Low Clutch Sprag Seal

Notice: Refer to Seal Reuse Notice in the Preface section.

Tip
Apply ATF to the DT-48070 to ease seal installation.

Special Tools

DT-48070 Low Clutch Sprag Seal Cone

3

Low and Reverse Clutch Spring

Notice: Ensure the spring tabs are facing up during installation. Failure to do so may cause damage to the clutch assembly.

4

Low Clutch Sprag Assembly

Tip

    • Verify that the low clutch sprag is operating correctly. Refer to the illustration for proper freewheel direction.
    • Ensure the missing splines on the sprag assembly are aligned with the missing splines on the center support hub.

5

Low and Reverse Clutch Spring Retaining Ring

Notice: Ensure the DT-48069 contacts the sprag assembly and not the sprag retaining ring or damage to the sprag may result.

Notice: The retaining ring gap must be aligned with the 3 missing splines on the center support hub. Failure to do so may cause damage to the clutch assembly.

Special Tools

    • DT-48068-1 Low Clutch Sprag Retaining Ring Cone
    • DT-48068-2 Low Clutch Sprag Retaining Ring Pusher
    • DT-48069 Low Clutch Spring Compressor

Low and Reverse Clutch Plate Installation


Object Number: 1748750  Size: MF

Low and Reverse Clutch Plate Installation

Callout

Component Name

1

Low and Reverse Clutch (Waved) Plate

2

Low and Reverse Clutch Plate (Qty: 6)

3

Low and Reverse Clutch Plate Assembly (Qty: 6)

4

Low and Reverse Clutch Backing Plate

5

Low and Reverse Clutch Backing Plate Retaining Ring

Tip
Apply air to verify proper installation of all low and reverse clutch components.