939005421 - X08 ENGINE COOLANT CONSUMPTION

Coolant consumption is high (frequent topping up is required)
0PRELIMINARY CHECKSAll OKProblems encounteredOperation
Bleed the air and check the fault does not recur.End of diagnosisThe fault recursMove on to Step 1
1CHECK ON THE EFFICIENCY OF THE EXPANSION TANK CAPAll OKProblems encounteredOperation
Check the efficiency of the expansion tank cap.Move on to Step 2Cap inefficient.Replace the cap.
2COOLING SYSTEM LEAKAGE TESTAll OKProblems encounteredOperation
Check the seal of the cooling system    Op. 0510C30 ENGINE COOLING SYSTEM - LEAKAGE TEST Move on to Step 3There are engine cooling system leaks.Proceed as instructed in the    See table X10 ENGINE COOLANT LEAKS
3CHECK FOR GURGLINGAll OKProblems encounteredOperation
Check that no gurgling or oil is present in the coolant reservoir.Move on to Step 4Presence of fluid or air bubbles: head gasket damaged.Replace the damaged gasket.
4CHECK CYILNDER HEAD HYDRAULIC SEALAll OKProblems encounteredOperation
Check the hydraulic seal of the cylinder head.Move on to Step 5Seal not efficient.(only for 3.2 V6 version)Remove the cylinder head    Op. 1016C10 SINGLE CYLINDER HEAD - R.R. AND REPLACE GASKET (only for 3.2 V6 version) Replace the head    Op. 1016D10 CYLINDER HEAD – R.R. AND REPLACE GASKETS
5CHECK ENGINE MONOBLOC HYDRAULIC SEALAll OKProblems encounteredOperation
Check the hydraulic seal of the monoblocMove on to Step 6Seal not efficient.Replace the monobloc
6CHECK ON CORRECT OPERATIONAll OKProblems encounteredOperation
Check that the fault is no longer present.End of diagnosisThe fault persists.Contact Technical Service for further information on the problem.