Series 60 DDEC VI Troubleshooting

Section 6.4 Defective Turbocharger

Section 6.4
Defective Turbocharger

To determine if a defective turbocharger is causing excessive oil consumption, perform the following: ‪

  1. Remove the turbocharger drain line connected to the crankcase and place the drain line into a suitable container.

    NOTICE:

    Ensure that the engine is not allowed to operate longer than necessary to perform the crankcase pressure test. A complete loss of crankcase oil will severely damage the engine.‪

  2. Perform a crankcase pressure test. Refer to appropriate service manual, preventive maintenance chapter.
    1. If the engine crankcase pressure is less than 1.25 kPa (5 in. H2 O), replace the turbocharger; refer to appropriate service manual, air intake system chapter.
    2. If the engine crankcase pressure is 1.25 kPa (5 in. H2 O) or more, check for worn or damaged valve and cylinder kit; refer to "6.5 Worn or Damaged Valve or Cylinder Kit" .

Section 6.4.1
Turbocharger Replacement

Perform the following steps to replace a defective turbocharger:‪

  1. Remove the defective turbocharger from the engine; refer to appropriate service manual, air intake system chapter.
  2. Tag removed turbocharger for remanufacture.
  3. Install a new turbocharger to the engine; refer to appropriate service manual, air intake system chapter.
  4. Verify replacement of new turbocharger; refer to "6.4.1.1 Test Engine with New Turbocharger" .
Section 6.4.1.1
Test Engine with New Turbocharger

Perform the following steps to determine if a new turbocharger resolved the excessive crankcase pressure: ‪

  1. Perform a crankcase pressure test. Refer to appropriate service manual, preventive maintenance chapter.
    1. If the engine crankcase pressure is greater than 1.25 kPa (5 in. H2 O), check for worn or damaged valve or cylinder kit; refer to "6.5 Worn or Damaged Valve or Cylinder Kit" .
    2. If the engine crankcase pressure is 1.25 kPa (5 in. H2 O) or less, no further troubleshooting is required.


EPA07 Series 60 DDEC VI Troubleshooting Guide - 6SE567
Generated on 10-13-2008

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