Sierra Denali V8-6.0L VIN N (2005)
Important:
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Replace all the components included in the repair kits used to service this brake caliper.
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Lubricate the rubber parts with clean brake fluid to make assembly easier.
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The torque values specified are for dry, non lubricated fasteners.
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Perform the service operations on a clean bench, free from all mineral oil materials.
1. Remove the brake caliper.
2. Caution: Do not place your fingers in front of the piston in order to catch or protect the piston while applying compressed air. This could
result in serious injury.
Place a thin piece wood in front of the pistons in order to prevent damage. Remove the pistons by directing compressed air into the brake hose
inlet fitting port of the brake caliper housing.
3. Remove the pistons.
4. Remove the piston boots.
5. Remove the piston seals.
6. Remove the caliper bleed screw cap.
7. Remove the caliper bleed screw.
8. Inspect the caliper bores and the piston seal grooves for scoring and corrosion. If you find excessive scoring or corrosion around the piston seal
areas replace the brake caliper.
9. Inspect the caliper bracket guide surfaces for corrosion and wear. Remove and replace the caliper bracket, if necessary.
10. Clean all of the residue from the brake pad guiding surfaces on the caliper and the caliper bracket.
11. Clean all the parts not included in the repair kit with denatured alcohol.
12. Dry all the parts with non lubricated filtered compressed air.
