184000594 - W05 WHITE EXHAUST FUMES

There is a large amount of exhaust fumes, with light coloured smoke
Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation

Preliminarily check:

  • no water or other fluids in the fuel tank
  • engine oil level
Continue to Step 1Presence of dirt in the fuel tankClean the fuel tank
Level too highTop up the engine oil level
1CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation

Connect the Examiner diagnostic equipment to the diagnostic connector and check the engine management control unit:

  • in error mode
  • that there are no faults
Continue to Step 2An error is detected in the control unitContinue following the instructions for the diagnostic equipment
2CHECKING BLOW-BY CIRCUITAll OKProblems metOperation
Check the condition of the blow-by gases intake circuit. In particular, check that there are no obstructions in the separator or in the pipesContinue to Step 3Fault in the pipe from the intake to the separatorRestore the correct operation of the circuit: if necessary, replace the pipes
Fault in the separatorRestore the correct operation of the circuit: if necessary, replace the separator
3CHECK ON CYLINDER COMPRESSIONAll OKProblems metOperation
Carry out the cylinder compression testContinue to Step 5Cylinder head tightening not correctContinue to Step 4
4CHECKING CAUSE OF INSUFFICIENT COMPRESSIONAll OKProblems metOperation

Remove-refit the cylinder head:

  • Check the condition of the cylinders/piston rings
  • the seal of the valve oil seals
Continue to Step 5Wear on cylinders/piston rings outside toleranceRestore the correct clearances
Insufficient valve oil sealReplace the oil seals, if necessary, overhaul the head
5CHECKING SEAL OF TURBOCHARGER GASKETSAll OKProblems metOperation

Check:

  • for engine oil leaks from turbocharger impeller spindle
  • for excessive turbocharger impeller shaft clearance
Continue to Step 6Presence of leaksReplace turbocharger Op. 1064A10
Excessive clearance presentReplace turbocharger Op. 1064A10
6CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosis