Suburban 2WD V8-6.0L (2007)
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Corrosion in the caliper bores
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Pitting in the caliper bores
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Damage to the pistons (phenolic)
15. Clean the brake caliper assembly with denatured alcohol.
16. Dry with filtered, non-lubricated compressed air.
Assembly Procedure
Important: When applying the clean brake fluid to the piston bores, piston seals 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.
2. Install the square-cut piston seal in the brake caliper bore groove.
3. Ensure that the square-cut piston seal is not twisted.
4. Install the boot over the end of the piston so that the fold will face toward the brake caliper housing piston bore opening.
