K27 ENGINE COOLANT OVERHEATING SIGNALLED BY THE INSTRUMENT - Lancia - Ypsilon - eLearn

2427546 - K27 ENGINE COOLANT OVERHEATING SIGNALLED BY THE INSTRUMENT

1	CHECK ON RADIATOR	All OK	Problems met	Operation
		Results of the tests
1.2 16v	Check the condition of the radiator. In particular: There should not be distortions or irregularities; There should not be dirt	Continue to Step 2	Radiator distorted	Reaplce the radiator Op. 1088B20
1.2 16v		Continue to Step 2	Radiator dirty	Clean the radiator
1.2 16v	Check the condition of the radiator. In particular: There should not be distortions or irregularities; There should not be dirt	Continue to Step 2	Radiator distorted	Reaplce the radiator Op. 1088B24
1.2 16v		Continue to Step 2	Radiator dirty	Clean the radiator
2	INSTRUMENT PANEL OPERATION CHECK	All OK	Problems met	Operation
	Disconnect the water temperature sensor and check that the gauge goes down to the minimum value	Continue to Step 3	Gauge stuck at maximum temperature	Restore the correct connections See E4010 INSTRUMENT PANEL If necessary, replace the instrument panel Op. 5560B11
3	FAN CYCLE CHECK	All OK	Problems met	Operation
1.2 8v 1.2 16v 1.4 16v	Check that the fan cycle is correct	Continue to Step 4	Fans not working	Continue according to the instructions for the See table K29 ENGINE COOLANT OVERHEATING SIGNALLED BY INSTRUMENT - WITH VAPOURS VISIBLE
			Fans operate at the wrong temperature: control unit and panel readings consistent	Restore the correct connections with the control unit See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT If necessary, replace it Op. 1056B82
			Fans operate at the wrong temperature: readings not consistent	Restore the correct connections with the instrument panel See E4010 INSTRUMENT PANEL If necessary, replace it Op. 5560B11
1.3 JTD	Check that the fan cycle is correct	Continue to Step 4	Fans not working	Continue according to the instructions for the See table K29 ENGINE COOLANT OVERHEATING SIGNALLED BY INSTRUMENT - WITH VAPOURS VISIBLE
			Fans operate at the wrong temperature: control unit and panel readings consistent	Restore the correct connections with the control unit See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT If necessary, replace it Op. 1060G80
			Fans operate at the wrong temperature: readings not consistent	Restore the correct connections with the instrument panel See E4010 INSTRUMENT PANEL If necessary, replace it Op. 5560B11
4	COOLING SYSTEM LEAKAGE CHECK	All OK	Problems met	Operation
	Carry out the cooling system leak test Op. 0510C30	Continue to Step 5	Coolant leaks detected	Continue according to the instructions for the See table X10 ENGINE COOLANT LEAKS
5	BUBBLING CHECK	All OK	Problems met	Operation
	Check that there fluid in the coolant reservoir is not bubbling	Continue to Step 6	Presence of fluid bubbling: cylinder head gasket damaged	Replace the seal Op. 1016C10
6	HEAD HYDRAULIC LEAKAGE TEST	All OK	Problems met	Operation
	Check the hydraulic seal of the cylinder head	Continue to Step 7	Seal ineffective	Replace the cylinder head Op. 1016C20
7	MONOBLOC HYDRAULIC SEAL TEST	All OK	Problems met	Operation
	Check the hydraulic seal of the monobloc	Continue to Step 8	Seal ineffective	Replace engine block Op. 1012A10
8	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	.