Daewoo MUSSO Service Manual page 1082

11. Assemble the piston return spring to the piston, and fit the
spring retainer over the spring.
Notice
The wire diameter of this spring is 4.3 mm.
12. Using special tool No. 0555-331899, compress the spring
sufficiently to enable the installation of the retaining circlip
ensuring that the circlip is firmly seated in its groove, then
remove the tool.
13. Check the C1 piston check valves are not damaged and
are free to move, and that the cylinder feed orifices are
clear of obstructions.
14. Lubricate the'0'rings with automatic transmission fluid and
fit them to their respective grooves.
Notice
'O' rings must not be twisted in the grooves.
15. Position the cylinder with the C1 cavity upwards. Install the
piston into the cylinder until the outer diameter of the piston
enters the inner diameter of the cylinder.
16. Install the spring and spring retainer onto the piston.
Notice
The wire diameter of this spring is 5.26 mm.
17. Using special tool No. 0555-331899, compress the spring
sufficiently to enable the installation of the retaining circlip
ensuring that the circlip is firmly seated in its groove, then
remove the tool.
18. Install the C2 wave washer into the cylinder with the crest
of one wave covering one of the bleed orifices in the C2
piston.
19. Measure and record the thickness of the flange of the C2
sleeve. Refer to figure 8.25.
20. Install the C4 clutch plates and wave washer into the C2
actuating sleeve, with the rounded edge of the steel plates
down, in the following sequence:
Steel plate (selective)
Friction disc
Steel plate
Friction disc
Steel plate
Friction disc
Steel plate
Wave washer
AUTOMATIC TRANSMISSION 5A-103