Express 1/2 Ton Van V6-4.3L VIN W (1999)
5. Remove the piston seal with a nonmetal type of tool.
6. Remove the bleeder valve.
7. Use denatured alcohol in order to clean the following parts:
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The bleeder valve
^
The caliper bore
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The caliper passages
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The piston
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Use dry, filtered, compressed air to dry the parts and to blow out the passages.
8. Replace any piston with the following conditions:
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Scoring
^
Nicked
^
Corroded
^
Worn
^
Damaged chrome plating
9. Replace any caliper bore or seal groove with the following conditions:
^
Scoring
^
Nicked
^
Corroded
^
Worn
^
Attempt to remove any light corrosion on the caliper bore or seal groove using a crocus cloth.
INSTALLATION PROCEDURE