11 42 035 Removing and installing/replacing thermostat housing (N54, N54T)
WARNING: This page is about a different variant/trim than selected.
WARNING:
Risk of scalding!
Only perform this repair work on an engine that has cooled down.
Only perform this repair work on an engine that has cooled down.
IMPORTANT:
You must protect the alternator against contamination before carrying out any work on the oil or cooling circuit.
A residual amount of coolant emerges when the hoses are detached. A residual amount of oil emerges when the oil-coolant heat exchanger is released. Have a cleaning cloth ready.
Cover alternator with suitable auxiliary materials.
A residual amount of coolant emerges when the hoses are detached. A residual amount of oil emerges when the oil-coolant heat exchanger is released. Have a cleaning cloth ready.
Cover alternator with suitable auxiliary materials.
Necessary preliminary tasks:
Release screw (1).
Tightening torque 11 42 3AZ .
Pull engine oil pipe down off the thermostat housing.
Installation note:
Replace O-rings.
Release screws (1) on thermostat housing.
Remove oil-coolant heat exchanger towards front.
Picture shows E9x
Installation note:
Replace gasket.
Reassemble vehicle and set in horizontal position.
Vent COOLING SYSTEM and check for water leaks.
Start engine and run at idle until oil pressure warning lamp goes out.
Turn off engine.
Wait approx. 5 minutes and check oil level.
Top up engine oil if necessary.