Brake Pipe Replacement
Brake Pipe ReplacementCaution: Refer to Brake Fluid Irritant Caution in Service Precautions.
Notice: Refer to Brake Fluid Effects on paint and Electrical Components Notice in Service Precautions.
Removal Procedure
Caution: Always use double walled steel brake pipe when replacing brake pipes. The use of any other pipe is not recommended and may cause brake system failure. Carefully route and retain replacement brake pipes. Always use the correct fasteners and the original location for replacement brake pipes. Failure to properly route and retain brake pipes may cause damage to the brake pipes and cause brake system failure.
Important: Brake pipes that run parallel to each other must maintain a 6 mm (1/4 inch) clearance.
1. Disconnect the brake pipe fittings.
2. Remove the brake pipe fasteners from the vehicle.
3. Remove the brake pipe from the vehicle.
Installation Procedure
1. Bend the brake pipe to achieve proper fit.
2. Install the brake pipe to the vehicle. Maintain a clearance of 19 mm (3/4 inch) for all moving or vibrating components.
3. Install the brake pipe fasteners to the vehicle.
Notice: Refer to Fastener Notice in Service Precautions.
4. Connect the brake pipe fittings.
^ Tighten the brake pipe fittings to the BPMV or the wheel jounce hoses to 25 Nm (18 ft. lbs.).
^ Tighten the brake pipe fittings to the master cylinder to 25 Nm (18 ft. lbs.).
5. Bleed the hydraulic brake system.
Brake Hose Replacement - Front
Caution: Refer to Brake Fluid Irritant Caution in Service Precautions.
Notice: Refer to Brake Fluid Effects on paint and Electrical Components Notice in Service Precautions.
Removal Procedure
1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. Remove the tire and wheel assembly.
3. Clean all dirt and foreign material from the brake hose and brake pipe fittings
Important: Install a rubber cap or plug to the exposed brake pipe fitting ends in order to prevent brake fluid loss and contamination.
4. 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.
5. Remove the brake hose retaining clip from the hose mounting bracket.
6. Remove the brake hose bolt and the bracket from the upper control arm.
7. Remove the brake hose bolt and the bracket from the steering knuckle.
8. Remove the brake hose to caliper bolt from the brake caliper.
9. Remove the brake hose from the brake caliper.
10. Remove and discard the 2 copper brake hose gaskets. These gaskets may be stuck to the brake caliper housing or the brake hose end.
Installation Procedure
Important: Install 2 New copper brake hose gaskets.
1. Assemble the 2 New copper brake hose gaskets, and the brake hose bolt to the brake hose.
Notice: Refer to Fastener Notice in Service Precautions.
2. Install the brake hose to caliper bolt and 2 New washers to the brake caliper.
Tighten the bolt to 40 Nm (30 ft. lbs.).
Important: The hose must not be twisted. Make sure the hose is not in contact with any suspension component.
3. With the weight of the vehicle on the suspension, install the brake hose into the bracket.
4. Install the brake hose bolt and the bracket to the steering knuckle.
Tighten the bolt to 9 Nm (80 inch lbs.).
5. Install the brake hose bolt and the bracket to the upper control arm.
Tighten the bolt to 9 Nm (80 inch lbs.).
6. Install the brake hose retaining clip.
7. Remove the rubber cap or plug from the exposed brake pipe fitting end.
8. Connect the brake pipe fitting nut to the brake hose:
^ Use a backup wrench on the hose fitting.
^ Do not bend the bracket or the pipe.
Tighten the bolt to 25 Nm (18 ft. lbs.).
9. Bleed the hydraulic brake system.
10. Install the tire and wheel assembly.
11. Ensure that the hose does not make contact with any part of the suspension or the wheel. Check the hose in extreme right and left turn conditions. If the hose makes contact, remove the hose and correct the condition.
12. Lower the vehicle.