32 41 437 Removing and Installing/Replacing ARS Return (Part 2)

32 41 437 Removing And Installing/Replacing ARS Return (Part 2)

Special tools required:







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 line connections with seal plug 32 1 270







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







Necessary preliminary tasks:
- Remove underbody protection at front and rear
- Disconnect negative battery cable
- Remove fan cowl with electric fan (N55/N63)
- Release electrical steering box, unlock wiring harness, pull off and pull steering box forwards







IMPORTANT:
Pressure lines must be closed off with suitable seal plugs 32 1 270 immediately after removal.







Release screw (1) in area of lower wishbone.
Tightening torque 32 41 15AZ.







Release line clips (1) and (2) from front axle support.
Tightening torque 37 13 7AZ.







Unlock return line on cooling loop and disconnect.
Remove return line.







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.
Do not replace sealing rings on hydraulic lines.
Replace affected line if sealing ring is damaged.







After installation:
- Carry out initial Dynamic Drive operation
- Check line connections for leak tightness

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