4-5-6 Clutch Piston Installation

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of 4-5-6 Clutch Piston Assembly & Components

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	4-5-6 Clutch Piston Assembly
2	4-5-6 Clutch Spring CAUTION: 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 CAUTION: Use care when compressing the 4-5-6 clutch piston assembly, spring and dam assembly. Compressing the dam assembly too much may damage it. CAUTION: Refer to Retaining Ring Reuse Caution . Tip: Apply air to verify proper installation of all 4-5-6 clutch components. The piston should apply and release smoothly. Special Tools: J 43074: Clutch Spring Compressor For equivalent regional tools, refer to Special Tools .