22 · Diagnostics

Engine oil leaks

Make: Lancia
Model: Ypsilon Factory Service Manual
Year: 2003–2011
Section: Consumption /leaks/ wear › Engine oil leaks

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Fault diagnosisEngine oil leaks

ENGINE OIL LEAKS

1.2 8v, 1.2 16v

A leak of engine oil can be seen with dripping and/or fouling of the engine

0	PRELIMINARY CHECKS	All OK	Problems met	Operation
		Results of the tests
	Preliminarily carry out a visual inspect to locate the component or area which is leaking. If the visual inspection is not sufficient, wash the engine, dry it and cover the parts involved in talc: road test the vehicle to identify the leak	No leak located: Continue to Step 1	Leak from the drain plug	Continue to Step 1
			Leak from the sump	Continue to Step 2
			Leak from the oil filter	Continue to Step 3
			Leak from the exhaust valve	Continue to Step 4
			Leak from the engine gaskets	Continue to Step 5
			Oil in the cooling circuit	Continue to Step 5
1	DRAIN PLUG CHECK	All OK	Problems met	Operation
	Check the condition and the seal of the oil drain plug	Continue to Step 2	Tightening of drain plug not correct	Restore the correct tightening
2	OIL SUMP CHECK	All OK	Problems met	Operation
1.2 8v 1.2 16v Heater	check the condition of the oil sump; the seal of the sealant between the sump and the crankcase that the bolts fixing the sump are correctly tightened	Continue to Step 3	Oil sump damaged or distorted	Replace the oil sump ( Op. 1020A20)
1.2 8v 1.2 16v Heater		Continue to Step 3	Lack of sealant or tightening not correct	Restore the correct tightening
1.2 8v 1.2 16v Air Conditioner	check the condition of the oil sump; the seal of the sealant between the sump and the crankcase that the bolts fixing the sump are correctly tightened	Continue to Step 3	Oil sump damaged or distorted	Replace the oil sump (Op. 1020A26)
1.2 8v 1.2 16v Air Conditioner		Continue to Step 3	Lack of sealant or tightening not correct	Restore the correct tightening
3	OIL FILTER CHECK	All OK	Problems met	Operation
	check the condition of the oil filter; the seal and condition of the gasket	Continue to Step 4	Oil filter damaged or distorted	Replace the oil filter and the gasket ( Op. 1084B30)
4	OIL PRESSURE RELIEF VALVE CHECK	All OK	Problems met	Operation
1.2 8v 1.2 16v Heater	Check the condition of the oil pump pressure relief valve	Continue to Step 5	Valve stuck in closed position	Replace the oil pump ( Op. 1020D14)
1.2 8v 1.2 16v Air Conditioner	Check the condition of the oil pump pressure relief valve	Continue to Step 5	Valve stuck in closed position	Replace the oil pump (Op. 1020D16)
5	ENGINE GASKETS CHECK	All OK	Problems met	Operation
	Gain access to the crankshaft and camshaft oil seals Check the seal of these gaskets	Continue to Step 6	Crankshaft gaskets damaged	Replace the gaskets involved ( Op. 1024A10)
		Continue to Step 6	Camshaft gaskets damaged	Replace the gaskets involved ( Op. 1036B10)
6	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	Fault persists	Search for the fault starting from another symptom'

All versions

A leak of engine oil can be seen with dripping and/or fouling of the engine

0	PRELIMINARY CHECKS	All OK	Problems met	Operation
		Results of the tests
	Preliminarily carry out a visual inspect to locate the component or area which is leaking. Check that there is no engine oil in the coolant. If the visual inspection is not sufficient, wash the engine, dry it and cover the parts involved in talc: road test the vehicle to identify the leak	Continue to Step 1	Leak from the drain plug	Continue to Step 1
			Leak from the sump	Continue to Step 2
			Leak from the oil filter	Continue to Step 3
			Leak from the exhaust valve	Continue to Step 4
			Leak from the engine gaskets	Continue to Step 5
			Oil in the cooling circuit	Continue to Step 5
1	DRAIN PLUG CHECK	All OK	Problems met	Operation
	Check the condition and the seal of the oil drain plug	Continue to Step 2	Tightening of drain plug not correct	Restore the correct tightening
2	OIL SUMP CHECK	All OK	Problems met	Operation
	check The condition of the oil sump; The seal of the sealant between the sump and the crankcase; That the bolts fixing the sump are correctly tightened	Continue to Step 3	Oil sump damaged or distorted	Replace the oil sump Op. 1020A26
		Continue to Step 3	Lack of sealant or tightening not correct	Restore the correct tightening
3	OIL FILTER CHECK	All OK	Problems met	Operation
	check The condition of the oil filter; The seal and condition of the gasket	Continue to Step 4	Oil filter damaged or distorted	Replace the oil filter and gasket Op. 1084B30
4	OIL PRESSURE RELIEF VALVE CHECK	All OK	Problems met	Operation
	Check the condition of the oil pump pressure relief valve	Continue to Step 5	Valve stuck in closed position	Replace the oil pump Op. 1020D16
5	ENGINE GASKETS CHECK	All OK	Problems met	Operation
	Gain access to the crankshaft and camshaft oil seals Check the seal of these gaskets	Continue to Step 6	Crankshaft gaskets damaged	Replace the gaskets involved Op. 1024A10
		Continue to Step 6	Camshaft gaskets damaged	Replace the gaskets involved Op. 1036B10
6	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis

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