17 21 010 Removing and installing/replacing transmission oil cooler for automatic transmission (N55)

WARNING: This page is about a different variant/trim than selected.

IMPORTANT: Risk of scalding!
Only perform this repair work after engine has cooled down.

Necessary preliminary tasks:

Recycling

Transmission oil emerges when fluid lines are detached from transmission oil cooler.

Catch and dispose of escaping transmission oil in a suitable container.

Observe country-specific waste disposal regulations.

Release screws (1) on left and right from cover (3).

Tightening torque: 5 Nm

Release screws (2) behind sealing lip.

Tightening torque: 5 Nm

Lift out cover (3).

Fig 1: Identifying Cover And Screws

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Unlock transmission oil lines (1) and detach.

Catch and dispose of escaping transmission oil in a suitable container.

Fig 2: Identifying Transmission Oil Lines

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Remove transmission oil cooler (1), feed out towards top and remove.

Fig 3: Identifying Transmission Oil Cooler

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NOTE: Assemble engine.
Check OIL LEVEL in automatic transmission.
If necessary, top up automatic transmission oil.