BMW 7 Series: Removing And Installing/Replacing Pressure Line For Valve Block VA1

Notes

WARNING: DANGER OF POISONING if oil is ingested/absorbed through the skin! RISK OF INJURY if oil comes into contact with eyes and skin!

IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.

Close off line connections with seal plug. 32 1 270

Recycling

Catch and dispose of hydraulic fluid in a suitable collecting vessel.

Necessary preliminary work

• Remove right FRONT WHEEL
• Remove front right wheel arch cover.
• Remove UNDERBODY PROTECTION
• Remove STIFFENING PLATE if necessary (only all-wheel drive vehicles and 760i)
• Remove right STEERING ASSEMBLY COVER
• Release front right UNDERBODY PANELLING

IMPORTANT: Pressure line and connection on valve block must be fitted with suitable seal plugs 32 1 270 immediately after removal!

Rear-wheel drive only:

Release screw connections (1) and (2).

Tightening torque 37 13 5AZ.

Fig. 80: Identifying Pressure Line Screw Connections (Rear-Wheel Drive Only)

All-wheel drive vehicles only:

Release screw (1).

Tightening torque 37 13 3AZ.

Fig. 81: Identifying Pressure Line Screws (All-Wheel Drive Only)

Unlock holder (1).

Fig. 82: Identifying Pressure Line Holder

Rear-wheel drive only: Feed both pressure lines out of spacer.

All-wheel drive vehicles only:

Release line clip on front axle support Installation note: Check installation position.

Make sure pressure lines are laid without tension.

Fig. 83: Identifying Pressure Line Spacer

Unfasten screw connection (1).

Remove pipe.

Tightening torque 37 13 5AZ.

Fig. 84: Identifying Pressure Pipe Screw Connection

IMPORTANT: When assembling, make sure that in succession only the seal plugs of the line to be fitted are removed.

After installation

• Fill and bleed HYDRAULIC SYSTEM (F01/F02/F07)
• Check line connections for leak tightness
• Carry out INITIAL DYNAMIC DRIVE OPERATION

REMOVING AND INSTALLING/REPLACING PRESSURE LINES FOR OSCILLATING MOTOR (HA1/HA2)

Notes

WARNING: DANGER OF POISONING if oil is ingested/absorbed through the skin! RISK OF INJURY if oil comes into contact with eyes and skin!

Scalding hazard! This work may only be carried out on an exhaust system which has cooled down.

IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.

Close off pipe connections with plugs. 32 1 270

Recycling:

Catch and dispose of hydraulic fluid in a suitable container.

Necessary preliminary tasks

• LOWER REAR AXLE

Up to 08/09:

Release banjo bolts (1).

Tightening torque 37 13 5AZ.

Hydraulic lines must be provided with suitable sealing plugs immediately after removal! 32 1 270

Fig. 85: Identifying Oscillator Motor Pressure Line Banjo Bolts

Build date from 08/09:

Release screw connections (1) and (2).

Tightening torque 37 13 12AZ.

Fig. 86: Identifying Oscillator Motor Pressure Line Screw Connection

Release screws (1) from holder on rear axle carrier.

Fig. 87: Identifying Holder Screws On Rear Axle Carrier

Release screws (1) and remove pressure lines from oscillating motor.

Pressure lines and connections on oscillating motor must be fitted with suitable sealing plugs immediately after removal! 32 1 270 Tightening torque 37 13 4AZ.

Fig. 88: Identifying Oscillator Motor Pressure Line Mounting Screws

IMPORTANT: When assembling, make sure that in succession only the sealing plugs of the line to be fitted are removed.

Replace affected line if sealing ring is damaged.

After installation

• Fill and bleed HYDRAULIC SYSTEM
• Check line connections for leaks
• Carry out INITIAL DYNAMIC DRIVE OPERATION

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