Service Manual

ISB, ISBe and QSB (Common Rail [...] Lubricating Oil and Filter Analysis
Section 7 - Lubricating Oil System - Group 07 Page 7-49
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Another remote possibility, is that a crack or porosity in
the head casting will allow fuel to leak to the air intake and
onto the cylinders.
Lubricating Oil Pressure Sensor, OEM
(007-052)
Remove
Disconnect the wire from the sending unit.
Remove the pressure sensor.
NOTE: The sending units illustrated can differ from those
installed by the original equipment manufacturer (OEM).
NOTE: The locations of OEM-installed Oil Pressure
Sensors can vary. Refer to OEM's documentation if
necessary.
Install
Install the sending unit.
Connect the wire to the sending unit.
Torque Value:
Installed into Cast Iron
Step 1 16 N•m [ 142 in-lb ]
Torque Value:
Installed into Aluminum
Step 1 10 N•m [ 89 in-lb ]
Lubricating Oil and Filter Analysis
(007-083)
Inspect
An analysis of used oil can help diagnose internal engine
damage and determine if it was caused by one of the
following:
•
Intake air filter malfunction
•
Coolant leaks
•
Oil diluted with fuel
•
Metal particles causing wear.