Rear Caliper (Disc Brakes): Installation

1. Lubricate caliper and anchor plate sliding surfaces with Aeroshell Grade 5 lubricant or equivalent.
2. Install caliper assembly. Install spring and support key. Use a brass punch and hammer to drive the support key in place. See Fig 4.
   NOTE: Make sure the brake hose is not twisted or kinked after installation. Damage to the hose could result.
3. Install bolt. The boss on the bolt must fit into the circular cutout in the key. Tighten the bolt to 15 ft. lbs. (20 N.m).
4. Install brake hose. Tighten brake hose to 33 ft. lbs. (45 N.m). Bleed system.

WARNING: Before moving the vehicle, pump the brake pedal several times to make sure pedal is firm. Do not move the vehicle until a firm pedal is obtained. Check the brake fluid level in the master cylinder after pumping the brakes.

Fig 1: Disc Brake Assembly

Courtesy of GENERAL MOTORS CORP.

Fig 2: Replacing Disc Brake Pads

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Fig 3: Compressing Caliper Piston (Rear Disc Brakes)

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Fig 4: Installing Caliper Support Key (Rear Disc Brakes)

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Fig 5: Removing Caliper Support Key (Rear Disc Brakes)

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Fig 6: Caliper Mounting Bracket & Anchor Plate (Rear Disc Brakes)

Courtesy of GENERAL MOTORS CORP.