X08 ENGINE COOLANT CONSUMPTION - Fiat - STILO - eLearn

The engine coolant consumption is high.

0	PRELIMINARY CHECKS	All OK	Problems met	Operation
		Results of the tests
	First visually inspect the cooling system to check that there are no coolant leaks.	Continue to Step 1	There are leaks	Continue according to the instructions for theSee table X10
1	COOLING SYSTEM LEAKAGE CHECK	All OK	Problems met	Operation
	Connect the test equipment replacing the expansion tank cap, pressurize the system and check that the pressure remains at the recommended value and that there are no leaks	Continue to Step 3	Pressure not correct without leaks	Continue to Step 2
		Continue to Step 3	Pressure not correct with leaks	Continue according to the instructions for theSee table X10
2	CHECKING CYLINDER HEAD	All OK	Problems met	Operation
	Remove the head. Check: That the cylinder head surface planarity is correct That the planarity of the support surface for the cylinder head on the cylinder block is correct;	Continue to Step 3	Cylinder head plane defective	Regrind the cylinder head surface
			Cylinder block/crankcase plane defective	Regrind the cylinder block/crankcase plane
			Planes correct, head gasket faulty	Replace the cylinder head gasket
3	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis