On the DV6TED4 engine, remove the air intake nozzle (1).
Remove the protective cover (2).
Disconnect the protective cover filter element.
Install the filter element to the oil filter support.
Note. When removing, use a rag to protect the engine from oil escaping from the hole.
Install the 1503-E engine oil pressure tap on the oil heat exchanger in the area «b».
Install a pressure gauge to measure oil pressure.
Start the engine.
Note. Checking the oil pressure is carried out on a burning engine after checking the oil level.
Compare the read values with the data given in the table «Data for checking the lubrication system (all engines)».
Reinstall previously removed components.
Top up the engine oil level if necessary.