323000985 - W005 WHITE EXHAUST FUMES

A high level of pale-coloured exhaust fumes is noted
0PRELIMINARY CHECKSAll OKProblems encounteredOperation
First of all, check for water or other fluids in the fuel tank.Move on to Step 1Presence of dirt in the fuel tankClean the fuel tank
1CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket and check that there are no faults in the engine management control unit.Move on to Step 2Error detected in the control unitContinue following the instructions given by the diagnostic equipment.
No communication with the control unit.Restore the connection between the engine management control unit and the diagnostic connector    See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT
2BLOW-BY CIRCUIT CHECKAll OKProblems encounteredOperation
Check the condition of the blow-by gas intake circuit. In particular, check for obstructions in the separator or pipesMove on to Step 3Fault in the blow-by circuit.Restore circuit to working order: replace the pipes if necessary.
3CHECK ON TURBOCHARGER OPERATION/CONDITIONAll OKProblems encounteredOperation
Check operation and for lubricant oil leaks.Move on to Step 4Turbocharger inefficient.Replace the turbocharger    Op. 1064A11 TURBOCHARGER WITH CATALYTIC CONVERTER - R.R.
4CYLINDER COMPRESSION CHECKAll OKProblems encounteredOperation
Carry out cylinder compression testMove on to Step 5Cylinder compression insufficient.Move on to Step 6
5CHECK CYLINDER HEAD GASKET AND VALVE OIL SEALSAll OKProblems encounteredOperation
Check:- that the cylinder head is correctly tightened;- the seal of the gasket;- the seal of the valve oil seals.Move on to Step 7Cylinder head tightening not correct.Restore the correct cylinder head tightening.
Gasket damaged.Head gasket replacement    Op. 1016C10 SINGLE CYLINDER HEAD - R.R. AND REPLACE GASKET
Oil seal missing.Restore the correct oil seal.
6CHECK ON CAUSE OF INSUFFICIENT COMPRESSIONAll OKProblems encounteredOperation
After having removed the cylinder head    Op. 1016C10 SINGLE CYLINDER HEAD - R.R. AND REPLACE GASKET check:- the valve seal;- cylinder/piston ring wear.Move on to Step 7Valve seal insufficient.Overhaul the cylinder head.
Cylinder/ring wear outside tolerance.Restore correct operating clearance.
7CORRECT OPERATION CHECKAll OKProblems encounteredOperation
Check that the fault is no longer present.End of diagnosisThe fault persists.Contact technical service for further information on the problem.