Alero L4-144 2.4L DOHC VIN T SFI (2000)
Notice: Use clean cloths to pad interior of caliper housing during piston removal. Use just enough air to ease the pistons out of the bores. If the
pistons are blown out, even with the padding provided, it may be damaged.
2. Remove the piston. Blow compressed air (3) into the caliper inlet hole. The piston will come out through the piston boot.
3. Inspect the piston for the following conditions:
^
Scoring
^
Gouges
^
Cracks
^
Excessive wear
^
Corrosion
Replace the piston if any of the above conditions are found.
4. Remove the piston boot (2). Use a flat-bladed tool in order to lift one end of the boot ring. The piston boot ring may be stuck in the caliper groove.
Notice: Do not use a metal tool for seal removal. Damage to the caliper bore or the seal grooves can result.
5. Remove the piston seal (4) from the groove in the caliper body (3). Use a small wooden or plastic tool in order to manipulate the piston seal out of
the caliper bore groove.
6. Remove the bleeder valve cap (1), the bleeder valve (2) from the caliper housing.
7. Inspect the caliper bore and the seal grooves for the following conditions:
^
Scoring
^
Gouges
^
Corrosion
^
Wear
8. Replace the caliper housing if corrosion in and around the seal groove cannot be cleaned with a crocus cloth. Do not hone the caliper bore.
9. Clean all the parts in clean, denatured alcohol.
10. Dry all the parts with filtered, non-lubricated compressed air.
11. Blow out all the passages in the caliper housing and the bleeder valve. Use filtered, non-lubricated compressed air.
Assembly Procedure
