125000722 - X08 ENGINE COOLANT CONSUMPTION

The engine coolant consumption is high.
Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation
Bleed the air and check that the fault no longer occurs
Check whether there are white exhaust fumes
End of diagnosisThe fault is still presentContinue to Step 1
There is white smoke in the exhaustContinue to Step 4
1CAP EFFICIENCY CHECKAll OKProblems metOperation
Check the efficiency of the capContinue to Step 2Cap not working properlyReplace the cap
2SYSTEM LEAKAGE CHECKAll OKProblems metOperation
Check the cooling system for leaks Op.    Op. 0510C30 COOLING SYSTEM - TIGHTNESS TESTContinue to Step 3There are coolant leaksContinue according to the instructions inSee table    See table X10 ENGINE COOLANT LEAKS
3BUBBLING CHECKAll OKProblems metOperation
2.0 JTSCheck that there are no bubbles or oil in the coolant reservoirContinue to Step 4Presence of fluid bubbling: cylinder head gasket damagedReplace the seal Op.    Op. 1016C10 SINGLE CYLINDER HEAD, REMOVED - OVERHAUL
3.2 V6Check that there are no bubbles or oil in the coolant reservoirContinue to Step 4Presence of fluid bubbling: head gaskets damagedReplace the gaskets Op. 1016D11
4CYLINDER HEAD HYDRAULIC SEAL CHECKAll OKProblems metOperation
2.0 JTSCheck the hydraulic seal of the cylinder head Op. 1016C04Continue to Step 5Seal ineffectiveReplace the cylinder head Op. 1016C20
3.2 V6Check the hydraulic seal of the cylinder heads Op. 1016D04Continue to Step 5Seal ineffectiveReplace the cylinder heads Op. 1016D30
5ENGINE MONOBLOC HYDRAULIC SEAL CHECKAll OKProblems metOperation
Check the hydraulic seal of the engine monoblocContinue to Step 6Seal ineffectiveSeal ineffective Op.    Op. 1004E20 ENGINE - DISMANTLE AND RE-BUILD FOLLOWING OPERATION 1004E10 - WASH AND CHECK DISMANTLED PARTS - RE-FIT CYLINDER HEAD AND OIL SUMP - DOES NOT INCLUDE REPAIRS TO CYLINDER HEAD AND AUXILIARY UNIT
6CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosis.