2888495 - X08 ENGINE COOLANT CONSUMPTION

The coolant consumption is high (it needs topping up frequently)
Results of the tests
1VISUAL INSPECTION OF CCOLANT EXPANSION TANKAll OKProblems metOperation
Start up the engine and visually check that there are no air bubbles in the expansion tankContinue to Step 2Air in the cooling circuitEliminate the air from the cooling circuit
2CHECK FUEL FILLER CAPAll OKProblems metOperation
Check the condition of the expansion tank, and the cap seal in particularContinue to Step 3Cap faultyRepair or replace the cap Op. 1088A10
3CHECK THE SYSTEM FOR LEAKSAll OKProblems metOperation
Carry out system leak test Op.   0510C30  Continue to Step 4Detect and locate leaksRestore the correct tightening, repair or replace the components involved (see Assembly 1088D)
4CYLINDER HEAD CHECKAll OKProblems metOperation

Check:

  • that the cylinder head tightening is correct
  • the gasket seal
Continue to Step 5Cylinder head tightening not correctRestore correct tightening
Gasket damagedReplace the gasket Op.   1016C10 
Cylinder head damagedReplace the cylinder head Op. 1016C20
5CHECKING CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsSearch for the fault starting from another symptom'