Workshop Manual

5C–117
POWER–ASSISTED BRAKE SYSTEM
3.Install new piston cups (3) on each piston so that the
flared end of the cups are turned to the inboard side of
the pistons.
Attach the return spring (4) and the boot (1) to the
piston.
305RS009
4.Apply DELCO silicone lube No. 5459912 (or
equivalent) to the piston and the inner face of the
boots.
5.Install piston assembly (2) to wheel cylinder (6).