BMW 7 Series: Removing And Refitting/Replacing Pressure Line On Swivel Motor VA2

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 expansion tank.

Necessary preliminary work

• Remove front right wheel arch cover.
• LOWER FRONT AXLE

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

Unfasten screw connection (1).

Tightening torque 37 13 5AZ.

Fig. 98: Identifying Swivel Motor Pressure Lines Screws Connection

Unlock plastic holder (1) and disengage line.

Fig. 99: Identifying Swivel Motor Pressure Lines Holder

Release screws (1) from line clip on front axle support and remove clip.

Tightening torque 37 13 7AZ.

Fig. 100: Identifying Front Axle Support Pressure Line Clip Mounting Screws

Release screw (2).

Remove pipe.

Tightening torque 37 13 4AZ.

Fig. 101: Identifying Swivel Motor Pressure Lines Mounting Screws

IMPORTANT: Note installation position of rubber spacer (1).

Make sure pressure lines are laid without tension.

Fig. 102: Identifying Rubber Spacer

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

When fitting lines, do not tilt connectors (sealing rings!) and connect fully before screwing.

Replace affected line if sealing ring is damaged.

After installation

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

REPLACING ARS EXPANSION HOSE PART 1 (FROM VANE PUMP TO EXPANSION HOSE) N63

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 pipe connections with plugs. 32 1 270

Recycling

Catch and dispose of hydraulic fluid in a suitable container.

IMPORTANT: Pressure line and connections must be provided with suitable plugs 32 1 270 immediately after removal!

Necessary preliminary tasks

• Remove left FRONT WHEEL
• Remove front UNDERBODY PROTECTION
• Remove left steering assembly COVER
• Remove FAN COWL with electric fan
• Release and disengage front ACTIVE STABILIZER BAR
• Remove pressure lines from active stabilizer bar.

Release screw connection (1) on power steering pump and detach line.

Tightening torque 37 13 10AZ.

Fig. 103: Identifying Screw Connection On Power Steering Pump

Release holder (1) on power steering pump.

Fig. 104: Identifying Holder On Power Steering Pump

Release holder (1).

Fig. 105: Identifying Holder

Release screw connection (1) on T-piece and remove expansion hose (3) towards top.

Tightening torque 37 13 11AZ.

Fig. 106: Identifying Screw Connection On T-Piece And Expansion Hose

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

When fitting lines, do not tilt connectors (sealing rings!) and connect fully before screwing.

Do not replace sealing rings on hydraulic lines.

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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