Impala V8-5.3L (2008)
12. Remove the boots from the caliper bores. Do not scratch the caliper bores.
13. Replace the pistons or the caliper if any of the following conditions exist:
*
Scoring in the caliper bores
*
Corrosion in the caliper bores
*
Pitting in the caliper bores
*
Damage to the pistons (phenolic)
14. Clean the brake caliper assembly with denatured alcohol.
15. Dry with filtered , lubricated compressed air.
Assembly Procedure
Important: When applying the clean brake fluid to the piston bores and pistons, only apply the brake fluid to one bore at a time. This is
done to ensure that the brake caliper, seals and pistons DO NOT become contaminated with dirt or other foreign material.
1. Apply a small amount of clean DOT-3 brake fluid to the piston, piston seal, and piston bore.
