Sierra Classic 2500 4WD V8-8.1L (2007)
1. Important: Install 2 new copper brake hose gaskets.
Assemble the 2 new copper brake hose gaskets and the brake hose bolt to the brake hose.
2. Notice: Refer to Fastener Notice in Service Precautions.
Install the brake hose to caliper bolt and 2 new washers to the brake caliper.
Tighten the bolt to 40 Nm (30 ft. lbs.).
3. Important: The hose must not be twisted. Make sure the hose is not in contact with any suspension component.
Install the brake hose (1) into the brake hose bracket.
4. Install the brake hose retaining clip (3).
5. Remove the rubber cap or plug from the exposed brake pipe fitting end.
6. Connect the brake pipe fitting nut (2) to the brake hose (1):
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Use a backup wrench on the hose fitting (1).
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Do not bend the bracket or the pipe.
Tighten the brake pipe fitting end (2) to 25 Nm (18 ft. lbs.).
7. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Manual).
8. Install the tire and wheel assembly.
9. Ensure that the hose does not make contact with any part of the suspension or the wheel. If the hose makes contact remove the hose and correct the
condition.
10. Lower the vehicle.
