17-23. FOURTH CLUTCH ASSEMBLY REPAIR (4L80-E) (Cont'd)
With both hands and a firm grip on the outside of housing (4), push down on housing (4) until the
inner piston (3) protrudes through the center.
Place spring and retainer assembly (7) and snapring (8) over piston (3) keeping the housing (4) on
Compress spring and retainer assembly (7) and install snapring (8).
Clutch plate index notch is opposite fourth clutch assembly bolt
hole in housing.
Turn housing (4) over and install four clutch plates (9), clutch plate assemblies (10), and backing
plate (11). Start with clutch plate (9). Backing plate (11) must have flat side down.
Secure backing plate (11), clutch plates (9), and clutch plate assemblies (10) to housing (4) with
e. End Play Measurement
Place fourth clutch assembly (4) on bench with spring and retainer assembly.(7) facing down.
Press lightly on backing plate (11) and measure gap between snapring (1) and backing plate (11).
Measurement should be 0.040-0.100 in. (1.016-2.540 mm). If not, check for correct clutch plate pack
or replace worn clutch plate pack.