:  Feb 11, 2005





Oil pressure testing adaptor, 303-1166





Oil pressure testing gauge, 303-871



Principles of Operation



Inspection and Verification

. Verify the customer concern.

. Visually inspect for obvious signs of mechanical or electrical damage.

. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step

Engine oil pressure check - 4.0l

:
  Prior to checking the engine oil pressure, a road test of 6 miles (10 kilometres), must be carried out. Do not attempt to attain engine normal operating temperature by allowing the engine to idle.

. Disconnect the battery ground cable.


.
  : The spilling of hot engine oil is unavoidable during this procedure, care must be taken to prevent scalding.

  : Wear protective gloves.

Remove the engine oil pressure sensor.


. Install the special tool.

. Install the special tool gauge and tighten the union.



. Check and top-up the engine oil if required.

. Connect the battery ground cable.


. Start and run the engine.

. Note the oil pressure readings with the engine running at idle and 3500 RPM.


. Turn off the engine.

. Disconnect the battery ground cable.

. Remove the special tools.
  Clean the components.


. Install the oil pressure sensor.


. Check and top-up the engine oil if required.

. Connect the battery ground cable.