Impala V6-3.9L (2007)
2. Using a small block of wood and a C-clamp, slowly tighten the C-clamp until the piston it is half way in the brake caliper. It does not have to
be fully seated.
3. Position a second block of wood in front of the piston that remains in the brake caliper.
4. Cover the brake caliper with a shop towel.
5. Using compress filtered, non lubricated air, apply the air to the remove the pistons from the brake caliper.
7. Remove the pistons (3) from the caliper bores.
8. Remove the piston seals (2) from the caliper bores. Do not use a metal tool.
9. Remove the bleeder valve cap (5).
10. Remove the bleeder valve (6) from the caliper housing (1).
11. Clean the bleeder valve, the caliper bores, the caliper passages and the pistons with denatured alcohol. Dry the parts and blow out the brake fluid
passages. Use dry and filtered compressed air.
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:
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Scoring in the caliper bores
