1-2-3-4 Clutch Piston Installation

WARNING: This page is about a different variant/trim than selected.

Fig 1: View Of 1-2-3-4 Clutch Piston

GM1891402

Courtesy of GENERAL MOTORS COMPANY

1-2-3-4 Clutch Piston Installation

Callout	Component Name
1	1-2-3-4 Clutch Piston TIP: DT-48273 seal protector prevents the piston seal lip from damage during installation. Apply a thin coat of ATF to the I.D. of DT-48273 seal protector to ease the installation of the piston. Special Tool DT-48273 Seal Protector For equivalent regional tools, refer to Special Tools .
2	1-2-3-4 Clutch Spring
3	1-2-3-4 Clutch Spring Retainer CAUTION: Regulate the air pressure to 276 kPa (40 psi) maximum. High pressure could cause the piston to over travel and damage the piston seals. Place the retainer onto DT-48274-1 which is part of DT-48274 spring installer. Compressing the spring using DT-48274-2 which is part of DT-48274 spring installer , will install the retainer into the retainer groove. Apply shop air to the clutch fluid feed hole in the clutch housing to verify proper piston operation. Special Tool DT-48274 Clutch Piston Spring Installer For equivalent regional tools, refer to Special Tools .