C11 and C15 Engines for Caterpillar Built Machines E360 Low Engine Oil Pressure Caterpillar


E360 Low Engine Oil Pressure
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C11 and C15 Engines for Caterpillar Built Machines [RENR5097]
EID E360

Conditions Which Generate This Code:

The Electronic Control Module (ECM) detects a problem with the engine's oil pressure. Information on default settings and ranges for these event codes can be found in troubleshooting with an event code Troubleshooting, "Event Codes".

System Response:

The event code will be logged.

Possible Performance Effect:

360(1)

  • There are no performance effects.

360(3)

  • The engine may be derated or the engine may be shut down.

Note: For certain applications, the ECM may only derate the engine. The ECM will notify the operator that the condition exists and that the engine must be shutdown.

Troubleshooting:

There may be a problem with the engine's lubrication system.

Test Step 1. Check the Engine's Lubrication System

  1. Check the engine oil level. If the oil level is below the oil pump's supply tube, the oil pump will not have the ability to supply enough lubrication to the engine components. If the engine oil level is low, add engine oil in order to obtain the correct engine oil level.

  2. Check the following problems that may occur to the engine oil pump:

    1. Air leakage in the supply side of the oil pump will also cause cavitation and loss of oil pressure. Check the supply side of the oil pump and make necessary repairs.

    2. Oil pump gears that have too much wear will cause a reduction in oil pressure. Repair the engine oil pump.

    3. If the engine is equipped with a scavenge pump, the scavenge pump may not be supplying oil to the main engine oil pump.

  3. The inlet screen of the oil suction tube for the engine oil pump can have a restriction. This restriction will cause cavitation and a loss of engine oil pressure. Check the inlet screen on the oil pickup tube and remove any material that may be restricting engine oil flow. Low engine oil pressure may also be the result of the oil pickup tube that is drawing in air. Check the joints of the oil pickup tube for cracks or a damaged O-ring seal.

  4. If the engine oil bypass valves are held in the open position, a reduction in the oil pressure can be the result. This may be due to debris in the engine oil. If the engine oil bypass valves are stuck in the open position, remove each engine oil bypass valve and clean each bypass valve in order to correct this problem. You must also clean each bypass valve bore.

  5. Engine oil that is contaminated with fuel or coolant will cause low engine oil pressure. High engine oil level in the crankcase can be an indication of contamination.

  6. Excessive clearance at engine bearings will cause low engine oil pressure. Check the engine components for excessive bearing clearance.

  7. An oil line that is open, broken, or disconnected will cause low engine oil pressure.

Expected Result:

An inspection of the engine's lubrication system indicated a problem.

Results:

  • OK - There is a problem in the engine's lubrication system.

    Repair: Repair the problem. Ensure that the repair eliminates the problem.

    STOP

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