CTS Sedan RWD V6-3.0L (2010)
4. Place a discarded brake pad or the fabricated 127 mm (5 in) long block of wood over 2 adjoining piston bores and secure in place with a
non-marring C-clamp.
5. Place the fabricated 51 mm (2 in) long block of wood over one of the opposing piston bores and secure it in place with a non-marring C-clamp or
suitable brake pad spreader tools.
6. Use clean cloths or the other fabricated 127 mm (5 in) long block of wood to pad the interior of caliper housing during removal of the piston.
7. Carefully remove the brake caliper piston (1) by directing low pressure compressed air into the brake caliper inlet hole.
8. Move the fabricated 51 mm (2 in) long block of wood over the emptied piston bore and secure it in place with a non-marring C-clamp or suitable
brake pad spreader tools.
9. Move the clean cloths or the other fabricated 127 mm (5 in) long block of wood to pad the interior of caliper housing during the removal of the
piston.
10. Carefully remove the brake caliper piston by directing low pressure compressed air into the brake caliper inlet hole.
11. Repeat steps 4 through 10 for the opposite side of the caliper.
12. Using care to not scratch or mar the painted surfaces or piston bore, remove all the dust boot seals (2) using a flat-bladed tool. Discard the dust
boot seals.
13. Using wooden or plastic tool, remove the piston seals (3) from the piston bores. Discard the piston seals.
14. Remove both brake caliper bleeder caps and valves.
