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Home >> Chevrolet >> 1997 >> Cavalier L4-2.2L VIN 4 >> Repair and Diagnosis >> Brakes and Traction Control >> Disc Brake System >> Brake Caliper >> Service and Repair >> Caliper Overhaul
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Caliper Overhaul

Caliper Assembly:





DISASSEMBLE
1. Remove caliper completely from vehicle. Caliper Replacement
2. Bushings. Inspect bushings for cuts and nicks. Replace if damaged. Use clean shop towels to pad the interior of the caliper housing during removal.

WARNING: On the following procedure do not place fingers in front of the piston in an attempt to catch or protect it when applying compressed air. This could result in serious injury.

Removing Caliper Piston:





3. Piston using compressed air into the caliper inlet hole. Inspect piston for scoring, nicks, corrosion and worn or damaged chrome plating. Replace piston if any of these conditions are found.

Removing Boot:





4. Boot from caliper housing bore. Be careful not to scratch housing bore.
5. Piston seal from seal groove in caliper housing bore with a small wood or plastic tool.Inspect caliper housing bore and seal groove for scoring, nicks, corrosion and wear. Use crocus cloth to polish out light corrosion. Replace caliper housing if corrosion in and around seal groove will not clean up with crocus cloth.

CAUTION: Do not use a metal tool since this may damage caliper bore or seal groove.

6. Bleeder valve and bleeder valve cap from caliper. Clean all parts in clean, denatured alcohol. Dry with unlubricated compressed air. Blow out all passages in caliper housing and bleeder valve.

ASSEMBLE
1. Bleeder valve and bleeder valve cap into caliper. Tighten bleeder valve to 13 Nm (115 inch lbs.).
2. Lubricate new piston seal and install into caliper bore groove. Make sure seal is not twisted.

Installing Boot Onto Piston:





3. Lubricated boot onto piston.
4. Piston and boot into bore of caliper and push to bottom of bore.

Seating Boot Into Caliper Housing:





5. Seat boot in caliper housing counter bore using J 29077-A.
6. Bushings. Lubricate beveled end of bushing with silicone grease. Pinch bushing and install bevel end first. Push bushing through housing mounting bore.
7. Caliper. Caliper Replacement

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