Sierra Classic 2500 4WD V8-6.0L (2007)
Brake Hose/Line: Service and Repair
Rear Brake Hose Replacement (Jounce)
Rear Brake Hose Replacement (Jounce)
Removal Procedure
Caution: Refer to Brake Fluid Irritant Caution.
Notice: Refer to Brake Fluid Effects on Paint and Electrical Components Notice.
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Clean all dirt and foreign material from the brake hose and brake pipe fittings.
3. Important: Install a rubber cap or plug to the exposed brake pipe fitting ends in order to prevent brake fluid loss and contamination.
Use a backup wrench on the hose fitting, disconnect the brake pipe fitting from the brake hose, then cap or plug the brake pipe fitting end.
4. Remove the brake hose retaining clip from the hose mounting bracket.
5. Remove the jounce hose from the bracket.
6. Important: Install a rubber cap or plug to the exposed brake pipe fitting ends in order to prevent brake fluid loss and contamination.
Disconnect the rear brake pipes from the junction block on the rear axle and cap or plug the brake pipe fitting ends.
7. Remove the junction block retaining bolt from the axle.
8. Remove the brake hose from the vehicle.
Installation Procedure
1. Install the rear brake hose
2. Notice: Refer to Fastener Notice in Service Precautions.
Install the junction block retaining bolt to the axle.
Tighten the bolt to 22 Nm (16 ft. lbs.).
3. Uncap or unplug the rear brake pipes and connect the pipes to the junction block on the axle.
Tighten the fitting to 25 Nm (18 ft. lbs.).
4. Important: The hose must not be twisted. Make sure the hose is not in contact with any suspension component.
