11 40 000 Checking engine oil pressure (B48AO0)

Special tools required: 

• 2 289 603
• 11 4 310

Necessary preliminary tasks: 

• Remove UNDERBODY PROTECTION

Removal: 

Remove oil drain plug (1).

Drain oil.

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Parts:  Replace screw (2) with O-ring (1).

Install and tighten screw (2).

Tightening torque: 11 42 2AZ .

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Undo oil filter cover (1) at hexagon head (2).

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Checking engine oil pressure with diagnosis tester: 

Remount filter element (1) in the special tool 2 289 603.

Remount O-ring (2) if necessary.

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Screw special tool 2 289 603 with oil filter element into the oil filter housing (1).

Tightening torque: 11 42 1AZ .

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Connect special tools 2 289 603 and 11 4 310.

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Lightly oil O-ring at the pressure sensor (1), (100 bar, order number: 0 431 592  ).

Screw pressure sensor (1) hand-tight into special tool 11 4 310.

Connect connecting cable (2) of Integrated M  easurement I  nterface B  ox (IMIB) to pressure sensor (1).

Run the corresponding test module.

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INSTALLATION: 

Stop engine.

Remove the special tools.

Check the freedom of movement of the non-return valve (1).

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Part:  Replace O-ring (2).

Insert the oil filter element (1) into the oil filter cover.

Replace O-ring (2) and oil it with engine oil.

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Install oil filter cover (1) and tighten at hexagon head (2).

Tightening torque: 11 42 1AZ .

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Concluding tasks: 

• Install UNDERBODY PROTECTION
• Vehicle horizontal
• Run engine for a brief period then switch off
• Check oil level and correct if necessary.