Catera V6-3.0L VIN R (1997)
13. Remove the caliper. Otherwise hang the caliper from the strut.
DISASSEMBLE PROCEDURE
1. Disassemble the piston from housing.
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Insert piece of wood or shop towel into caliper to cushion piston upon removal.
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Apply moderate compressed air to the caliper housing inlet hole.
2. Inspect the piston for the following conditions: For scoring Nicks Corrosion
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Worn or damaged chrome plating
3. Replace the piston if any of the above are found. Disassemble the front brake caliper dust boot from housing.
4. Disassemble the front brake caliper seal (1) from the housing. Use a small wood or plastic tool.
5. Insect the caliper housing bore and seal groove for the following conditions:
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Scoring
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Nicks
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Corrosion
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Wear
a. Use crocus cloth to polish out light corrosion.
b. Replace caliper if corrosion in and around the seal groove will not clean up with crocus cloth.
ASSEMBLE PROCEDURE
1. Clean all parts in denatured alcohol.
2. Dry with unlubricated compressed air.
3. Blow out all passages in housing and valve with compressed air.
4. Lubricate piston and all rubber parts with clean brake fluid.
5. Seal into the bore groove of housing.
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Ensure seal is seated and not twisted.
6. Dust boot (2) into caliper housing (3).
7. Assemble piston (1) into dust boot (2).
8. Push piston to the bottom of the caliper housing bore.
Important: By applying compressed air to the caliper housing inlet bore and positioning the piston in front of the dust boot the compressed air
will expand the boot over the piston. Once the boot is over the piston release the compressed air and insert the piston into the bore. This may
require assistance of a helper.