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Front Brake Caliper: Installation

  1. Remove caliper sleeves from caliper. See Figure. Apply silicone grease to outer diameter of caliper sleeves and inner diameter of bushings. Insert caliper sleeves into bushings.
  2. Install retainer spring on inner pad (if removed). Install pads in caliper. Install caliper. Install guide pins and tighten to specification. See TORQUE SPECIFICATIONS table at the end of this article.
  3. Connect brake hose to caliper and tighten hose bolt to 32 ft. lbs. (43 N.m). Bleed brake system. See MANUAL BLEEDING, PRESSURE BLEEDING or VACUUM BLEEDING under BLEEDING BRAKE SYSTEM .
  4. If outer pads are equipped with locking ears, bend ears toward caliper until ears touch caliper. This prevents movement of outer pad in caliper. See Fig 1. Install wheel.
Fig 1: Bending Outer Pad Ears Toward Caliper
G91I13506Courtesy of GENERAL MOTORS CORP.


  1. Using wire brush, clean corrosion from machined ways on caliper and caliper mount. Apply silicone grease to these surfaces. Install inner pad and anti-rattle spring on caliper mount. See Figure. Install outer pad in caliper. Place caliper on caliper mount.
  2. Install caliper support key and spring. Install caliper support key bolt, ensuring bolt boss fits into circular cutout on caliper support key. Tighten bolt to 15 ft. lbs. (20 N.m).
  3. Connect brake hose to caliper and tighten hose bolt to specification. See TORQUE SPECIFICATIONS  table at the end of this article. Bleed brake system. See MANUAL BLEEDING, PRESSURE BLEEDING or VACUUM BLEEDING under BLEEDING BRAKE SYSTEM . Install wheel.
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