Sierra Classic 1500 4WD V8-5.3L (2007)
4. Notice: Refer to Fastener Notice in Service Precautions.
Important:
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DO NOT use any air tools to remove or install the guide pin bolts. Use hand tools ONLY.
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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 bolt.
DO NOT allow the open end wrench to come in contact with the brake caliper. Allowing the open end wrench to come in contact with the
brake caliper will cause a pulsation when the brakes are applied.
Using an open end wrench to hold the guide pin, install the lower brake caliper guide pin bolt.
Tighten the bolt to 100 Nm (74 ft. lbs.).
5. Ensure the brake caliper guide pin seal (4) is fully seated in the groove of the brake caliper guide pin (5), and the guide pin moves smoothly in the
bore of the brake caliper bracket (3).
6. Install the tire and wheel assembly.
7. Remove the safety stands.
8. Lower the vehicle.
9. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
10. Slowly release the brake pedal.
11. Wait 15 seconds, then repeat steps 9-10 until a firm pedal is obtained. This will properly seat the brake caliper pistons and pads.
12. Fill the brake master cylinder reservoir to the proper level with clean brake fluid, if necessary. Refer to Master Cylinder Reservoir Filling.
13. Burnish the pads and rotors. Refer to Brake Pad and Rotor Burnishing.
