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Home >> Volvo >> 2006 >> V70 R, Standard >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic-Vacuum-Hydraulic Brakes - Removal, Replacement And Installation >> Master Cylinder, Brake Booster (L.H.D; 2001-2007) >> Power brake booster, replacing >> Replacing the brake pipe between the hydraulic unit, front wheel and junction >> Replacing the front-rear brake pipe to the rear junctions

Replacing the front-rear brake pipe to the rear junctions

Clean around the brake pipe on the ABS hydraulic modulator. Remove the brake pipe from the ABS hydraulic modulator and holder 

Fig 1: Front-Rear Brake Pipe
GLL104484Courtesy of VOLVO CARS OF NORTH AMERICA.

Open the holder.

Remove the brake pipe from its clips by the side member 

Fig 2: Straightening Brake Pipe By ABS Hydraulic Modulator
GLL104485Courtesy of VOLVO CARS OF NORTH AMERICA.

Straighten the brake pipe by the ABS hydraulic modulator.

NOTE:

The new brake pipe must be bent into the correct shape when installing.

This is important otherwise the pipe may be subject to stresses when it is in place.

Remove the brake pipe from its clips 

Fig 3: Removing Brake Pipe From Clips
GLL104523Courtesy of VOLVO CARS OF NORTH AMERICA.

Raise the car 

Remove the left front wheel.

Remove the screw from the bracket for the brake pipe and brake hose.

Remove the holder from the brake pipes.

Clean the brake pipe and joint nipple.

Separate the brake pipe at the joint nipple. Counterhold the joint nipple.

Remove the brake pipe from its clips.

Cut the brake pipe at the bracket. Leave the pipe that has been cut in place as a guide for installation of the new brake pipe.

Install the new brake pipe 

Fig 4: Straightening Brake Pipe By ABS Hydraulic Modulator
GLL104485Courtesy of VOLVO CARS OF NORTH AMERICA.

Remove the cut-off brake pipe. Install the new one.

Tighten the brake pipe in the joint nipple. Tighten to 22 Nm  .

Secure the brake pipe in its clips in the body floor.

Bend and adjust the brake pipe so that it aligns with the hydraulic unit.

Installing the brake pipe, continued 

Fig 5: Front-Rear Brake Pipe
GLL104484Courtesy of VOLVO CARS OF NORTH AMERICA.

Install: 

NOTE:

The brake pipes must not be in contact with each other or the car body.

Check for leakage. Check that the ABS lines are correctly secured in their clips.

Install the wheel 

See Installing wheels

Install the integrated relay / fusebox and the connector for the ABS unit 

See Install the integrated relay / fusebox and ABS unit connector

Install the air cleaner (ACL) housing 

See Install the air cleaner (ACL) housing

Fill and bleed the brake system 

See Brake system, bleeding (using bleeding unit)