Removing and installing/replacing engine oil pipes for engine oil cooler (S55 engine)

Only perform this repair work after engine has cooled down.

Recycling: 

Engine oil escapes when the engine oil pipes are released.

Catch and dispose of emerging engine oil.

Observe country-specific waste disposal regulations.

Necessary preliminary tasks: 

• Remove FAN COWL .

Removal: 

Release screw (1).

Disconnect engine oil pipe from oil filter control housing.

Catch and dispose of emerging oil.

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Release screw (1).

Disconnect engine oil pipes from engine block.

Catch and dispose of emerging oil.

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Loosen nuts (1) and pull off engine oil pipes from the engine oil cooler.

Catch and dispose of emerging oil.

Loosen engine oil pipes from the clamp (2).

Feed out engine oil pipes and remove.

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Preparation for installation: 

Replace all sealing rings of engine oil pipes!

Installation: 

Insert engine oil pipes and connect to oil filter control housing.

Tighten screw (1).

Tightening torque 17 22 4AZ .

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Secure engine oil pipes to engine block using spacer bolts.

Tighten screw (1).

Tightening torque 17 22 8AZ .

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Connect engine oil pipes to engine oil cooler.

Tighten down nuts (1).

Tightening torque 17 22 5AZ .

Secure engine oil pipe with clamp (2).

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Required follow-up work: 

• Install FAN COWL .
• After completing the repair work check oil level; top up if necessary.