Locate the appropriate port for measuring oil pressure. On most engines a port can be found adjacent to the ECM
along the main oil gallery. If this port is not accessible, another port can be located on the top of the oil filter head.
Remove the plug.
NOTE: It is preferred that oil pressure be checked at the main oil gallery, if accessible.
Install a Compuchektlol fitting.
Connect a pressure gauge. Start the engine.
Allow the engine to run and achieve operating temperature. Check for leaks.
Record the lubricating oil pressure reading at idle.
Increase engine speed to rated speed and hold for 30 seconds.
Record the lubricating oil pressure reading at rated engine speed.
Remove the oil pressure gauge/Compuchek”‘ fitting and install the previously removed plug. Refer to Procedure
017-007 in Section 17.
