GM Service Manual Online
For 1990-2009 cars only
Table 1: 4-5-6 Clutch Plates Removal
Table 2: 4-5-6 Clutch Piston Removal
Table 3: Turbine Shaft Fluid Seal Ring Replacement
Table 4: 4-5-6 Clutch Piston Installation
Table 5: 4-5-6 Clutch Plates Installation

4-5-6 Clutch Plates Removal


Object Number: 1555319  Size: MF

4-5-6 Clutch Plates Removal

Callout

Component Name

1

4-5-6 Clutch Backing Plate Retaining Ring

2

4-5-6 Clutch Backing Plate

3

4-5-6 Clutch Plate Assembly (Quantity: 6)

4

4-5-6 Clutch Plate (Quantity: 6)

5

4-5-6 Clutch (Waved) Plate

4-5-6 Clutch Piston Removal


Object Number: 1555321  Size: MF

4-5-6 Clutch Piston Removal

Callout

Component Name

1

4-5-6 Clutch Piston Dam Retaining Ring

Notice: Use care when compressing the 4-5-6 clutch piston assembly, spring and dam assembly. Compressing the dam assembly too much may damage it.

Notice: Refer to Retaining Ring Reuse Notice in the Preface section.

Special Tool

J 43074 Clutch Spring Compressor

2

4-5-6 Clutch Piston Dam Assembly

Tip
It may be necessary to apply air pressure to remove the dam and piston.

3

4-5-6 Clutch Spring

4

4-5-6 Clutch Piston Assembly

Tip
It may be necessary to apply air pressure to remove the piston.

Turbine Shaft Fluid Seal Ring Replacement


Object Number: 1555325  Size: MF

Turbine Shaft Fluid Seal Ring Replacement

Callout

Component Name

Preliminary Procedures

    • Inspect the turbine shaft fluid passages and splines.
    • Clean any plugged passages.

1

Turbine Shaft Fluid Seal Ring (Quantity: 3)

Notice: Do not use old seal rings. Install NEW seal rings. Reusing old seal rings may cause internal transmission leaks and transmission damage.

Notice: Size the fluid seal rings for at least 5 minutes after installation to obtain proper seal ring size. Failure to do so may cause internal transmission leaks and transmission damage.

Tip
Adjust the turn screw on the DT 47768-1 and install the bottom seal ring first.

Special Tools

    • DT 47768-1 Seal Protector
    • DT 47768-2 Seal Pusher
    • DT 47768-3 Seal Sizer

4-5-6 Clutch Piston Installation


Object Number: 1555336  Size: MF

4-5-6 Clutch Piston Installation

Callout

Component Name

1

4-5-6 Clutch Piston Assembly

2

4-5-6 Clutch Spring

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

3

4-5-6 Clutch Piston Dam Assembly

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

4

4-5-6 Clutch Piston Dam Retaining Ring

Notice: Use care when compressing the 4-5-6 clutch piston assembly, spring and dam assembly. Compressing the dam assembly too much may damage it.

Notice: Refer to Retaining Ring Reuse Notice in the Preface section.

Tip
Apply air to verify proper installation of all 4-5-6 clutch components. Piston should apply and release smoothly.

Special Tool

J 43074 Clutch Spring Compressor

4-5-6 Clutch Plates Installation


Object Number: 1555341  Size: MF

4-5-6 Clutch Plates Installation

Callout

Component Name

1

4-5-6 Clutch (Waved) Plate

2

4-5-6 Clutch Plate (Quantity: 6)

3

4-5-6 Clutch Plate Assembly (Quantity: 6)

4

4-5-6 Clutch Backing Plate

5

4-5-6 Clutch Backing Plate Retaining Ring

Tip
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 4-5-6 Clutch Backing Plate Retaining Ring Measurement .