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Chevrolet Silverado / GMC Sierra. Manual - part 1520
REAR DISC BRAKE HARDWARE REPLACEMENT (JH6, JH7)
Fig. 39: View Of Rear Disc Brake Hardware
Courtesy of GENERAL MOTORS CORP.
Callout
Component Name
Preliminary Procedures
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and
Installation .
CAUTION:
Refer to Brake Dust Caution .
NOTE:
Support the brake caliper with heavy mechanic wire, or equivalent, whenever it is separated from its
mount and the hydraulic flexible brake hose is still connected. Failure to support the caliper in this
manner will cause the flexible brake hose to bear the weight of the caliper, which may cause
damage to the brake hose and in turn may cause a brake fluid leak.
Brake Caliper Guide Pin Bolt (Qty: 2)
2008 Chevrolet Silverado 1500
2008 BRAKES Disc Brakes - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
1
Tip: The upper brake caliper guide pin bolt cannot be removed until the brake
caliper and bracket assembly are removed from the rear axle.
Only loosen the brake caliper upper guide pin bolt.
Tighten: 108 N.m (80 lb ft)
NOTE:
Refer to Fastener Notice .
2
Brake Caliper Bracket Bolt (Qty: 2)
Procedure
1. Remove all traces of the adhesive patch on the brake caliper bracket bolts
and threaded holes of the brake caliper bracket.
2. Clean the brake caliper bracket bolt threads and the threaded holes of the
brake caliper bracket with denatured alcohol or equivalent and allow to
dry.
3. Apply threadlocker G/M P/N 12345493 (Canadian P/N 10953488) to 2/3
of the threaded portion of the brake caliper bracket bolts.
Tighten:
JH6: 200 N.m (148 lb in)
JH7: 300 N.m (221 lb ft)
3
Brake Caliper Bracket
Procedure:
Remove the upper brake caliper guide pin bolt.
4
Brake Caliper
Procedure:
Without disconnecting the brake caliper hose, remove the brake caliper and
support with heavy mechanics wire or equivalent.
5
Brake Caliper Guide Pin Seal (Qty: 2)
Procedure:
Apply a thin coating of high temperature silicone brake lubricant to the brake
caliper guide pin seals.
6
Brake Caliper Guide Pin Bushing (Qty: 2)
Procedure:
Apply a thin coating of high temperature silicone brake lubricant to the brake
2008 Chevrolet Silverado 1500
2008 BRAKES Disc Brakes - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
REAR DISC BRAKE HARDWARE REPLACEMENT (JD9)
Fig. 40: View Of Rear Disc Brake Hardware
Courtesy of GENERAL MOTORS CORP.
caliper guide pin bushings.
Callout
Component Name
Preliminary Procedures
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
CAUTION:
Refer to Brake Dust Caution .
NOTE:
Support the brake caliper with heavy mechanic wire, or equivalent, whenever it is separated from its
mount and the hydraulic flexible brake hose is still connected. Failure to support the caliper in this
manner will cause the flexible brake hose to bear the weight of the caliper, which may cause
damage to the brake hose and in turn may cause a brake fluid leak.
2008 Chevrolet Silverado 1500
2008 BRAKES Disc Brakes - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
FRONT BRAKE CALIPER BRACKET REPLACEMENT (JH6, JH7)
2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and
Installation .
1
Brake Caliper Guide Pin Bolt (Qty: 2)
Procedure
1. DO NOT use any air tools to remove or install the brake caliper guide pin
bolts. Use hand tools only.
2. Install an open end wrench to hold the caliper guide pin in line with the
brake caliper while removing or installing the caliper guide pin bolts. DO
NOT allow the open end wrench to contact the brake caliper. Allowing
the open end wrench to contact the brake caliper will cause a pulsation
when the brakes are applied.
Tighten: 38 N.m (28 lb ft)
NOTE:
Refer to Fastener Notice .
2
Brake Caliper
Procedure:
Without disconnecting the brake caliper hose, support the brake caliper with
heavy mechanics wire or equivalent.
3
Brake Caliper Guide Pin (Qty: 2)
Procedure:
Apply a thin coating of high temperature silicone brake lubricant to the brake
caliper guide pins and the guide pin bores of the brake caliper bracket.
4
Brake Caliper Guide Pin Seal (Qty: 2)
Procedure
1. Apply a thin coating of high temperature silicone brake lubricant to the
brake caliper guide pin seals.
2. Ensure the brake caliper guide pin seal is fully seated in the groove of the
brake caliper guide pin and the guide pin slides freely in the brake caliper
bracket bore.
2008 Chevrolet Silverado 1500
2008 BRAKES Disc Brakes - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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