Brake Pipe Replacement- Front

Removal Procedure





1. Disconnect the harness from the brake fluid reservoir.
2. Remove the plastic clip holding the brake pipes together, If equipped

Important: Do not remove the brake modular assembly from vehicle.

3. Disconnect the front brake pipe from the brake modulator assembly. Refer to Brake Pressure Modulator Valve (BPMV) Replacement (310 ABS) or Brake Pressure Modulator Valve (BPMV) Replacement (325 ABS) in Antilock Brake System.
4. Raise the vehicle. Refer to Vehicle Lifting
5. Remove both front tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Wheels, Tires and Alignment.





6. Disconnect the brake pipe from the brake hose.
6.1. If replacing the right front brake pipe, remove the brake pipe nut where the pipe from the ABS nodule and the right front pipe connect. It is located next to the front crossmember.
6.2. Remove the brake pipe From the clips attached to the front crossmember.
7. Remove the brake pipe.

Installation 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 in the original location for replacement brake pipes. Failure to properly route and retain brake pipes may cause damage to the brake pipes and brake system resulting in personal injury.





1. Install the brake pipe to the vehicle.
2. Loosely install the brake pipe nut to the flex brake hose.
2.1. If installing the right front brake pipe, loosely install the brake pipe nut at the connection.
2.2. Check the routing of the brake pipe to make sure it does not rub against a moving part.

Notice: Refer to Fastener Notice in Service Precautions.

2.3. Install the brake pipe nut.
Tighten
Tighten the brake pipe nut to 17 Nm (13 ft. lbs.).
3. Lower the vehicle.





4. Loosely install the brake pipe nut to the brake modulator assembly.
5. Check the routing of the brake pipe to make sure it does not rub against a moving part.
6. Install the brake pipe nut to the brake modulator assembly. Refer to Brake Pressure Modulator Valve (BPMV) Replacement (310 ABS) or Brake Pressure Modulator Valve (BPMV) Replacement (325 ABS) in Antilock Brake System.
7. Install the brake Pipe nut to flex hose.
Tighten
Tighten the brake pipe nut to 30 Nm (22 ft. lbs.).
8. Install the brake pipe clips.
9. Connect the harness to brake fluid reservoir.
10. Bleed the brake system. Refer to Hydraulic Brake System Bleeding or Automated Bleed Procedure.
11. Install the front tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Wheels, Tires and Alignment.
12. Lower the vehicle.