12 61 280 Removing and installing/replacing oil pressure switch (B48)

Necessary preliminary work: 

• Remove front UNDERBODY PROTECTION .
• Remove rear UNDERBODY PROTECTION .
• Remove the INTAKE PLENUM .
• Remove the TRANSMISSION OIL COOLER FOR AUTOMATIC TRANSMISSION (FOR AUTOMATIC transmission only)

Removal: 

Remove screws (arrows).

Remove connecting rod (1).

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Unlock and release fuel lines (1).

Unlock and release clamp (2).

Unscrew nuts (3).

Remove guard plate (4).

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Loosen screws (1).

Feed out holder (2) and remove.

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Attention! 

A small amount of engine oil emerges when oil pressure switch is removed.

Have a cleaning cloth ready.

Catch and dispose of engine oil.

Unlock connector (1) and pull off.

Release and remove oil pressure switch (2).

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Installation: 

Replace sealing ring.

Parts:  Sealing ring

Install and tighten oil pressure switch (2).

Tightening torque, refer to: 12 61 1AZ.

Attach connector (1).

Connector (1) must engage audibly.

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Feed in holder (2) and install.

Tighten down screws (1).

Tightening torque, refer to: 12 61 3AZ .

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Install protective plate (4).

Tighten down nuts (3).

Connect and lock fuel lines (1).

Connect clamp (2) and lock.

Clamp (2) must audibly snap into place.

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Install connecting rod (1).

Tighten screws (arrows).

Tightening torque, refer to: 12 41 2AZ

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Required follow-up work: 

• Install the TRANSMISSION OIL COOLER FOR AUTOMATIC TRANSMISSION (FOR AUTOMATIC TRANSMISSION ONLY)
• Install the INTAKE PLENUM .
• Install the FRONT UNDERBODY PROTECTION .
• Install the REAR UNDERBODY PROTECTION .
• Check engine oil level, top up if necessary.