BMW 7 Owners & Service Manuals
BMW 7 Series (F01/F02) 2008-2015 Service Manual / Steering And Wheel Alignment / Pump And Oil Supply / Replacing Expansion Hose Part 1 (With ARS) (From Vane Pump) N63

BMW 7 Series: Replacing Expansion Hose Part 1 (With ARS) (From Vane Pump) 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.

Do not draw off hydraulic fluid (risk of contamination).

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
  • Release and disengage front ACTIVE STABILIZER
  • Remove pressure lines from active stabilizer bar.

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

Tightening torque 37 13 10AZ.

Pump And Oil Supply
Fig. 156: Identifying Screw Connection On Power Steering Pump

Release screw connection for flange (1).

Tightening torque 37 14 8AZ.

Release pipe holder (2).

Pump And Oil Supply
Fig. 157: Identifying Flange Screw Connection

Release holder (1) and remove line.

Pump And Oil Supply
Fig. 158: Identifying Holder

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

REPLACING EXPANSION HOSE PART 2 (WITH ARS) (FROM T-PIECE TO POWER STEERING GEAR) 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.

Do not draw off hydraulic fluid (risk of contamination).

Close off pipe connections with plugs. 32 1 270

Recycling

Catch and dispose of hydraulic fluid in a suitable container.

Necessary preliminary tasks

  • Lower FRONT AXLE SUPPORT

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

Release screw (1) from line flange.

Tightening torque 37 13 8AZ.

Release holder (2).

Pump And Oil Supply
Fig. 159: Identifying Flange Screw Connection

Release block screw connection (1) on steering gear.

Tightening torque 32 41 5AZ.

Remove hydraulic line.

Pump And Oil Supply
Fig. 160: Identifying Screw Connection On Steering Gear

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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