CTS Wagon RWD V6-3.6L (2010)
3. Install the lubricated, new piston seals (5) into the brake caliper bore seal grooves. Make sure the seals are not twisted.
4. Apply a thin coat of Delco Supreme 11(R), GM P/N 12377967 (Canadian P/N 992667) or equivalent DOT-3 brake fluid from a clean, sealed
brake fluid container, onto the caliper piston bores and the outer surface of the caliper pistons.
5. Install the piston and dust boot assemblies into the correct caliper bores. Press the pistons and dust boot seals all the way in by hand.
6. Place a clean old brake pad or the fabricated 127 mm (5 in) long block of wood over 2 adjoining piston bores and apply light pressure with
non-marring C-clamp. This will ensure the dust boots and pistons are fully seated into the caliper.
7. Repeat step 6 for the opposite pistons.
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
8. Install the brake caliper bleeder valves (2) and tighten to 13 Nm (115 lb in).
9. Install the brake caliper bleeder valve caps (1).
10. Install the caliper to the vehicle. Refer to Rear Brake Caliper Replacement (JE5, J55) (See: Removal and Replacement/Rear Brake Caliper
Replacement (JE5, J55))Rear Brake Caliper Replacement (J56) (See: Removal and Replacement/Rear Brake Caliper Replacement (J56)).
