X12 ENGINE OIL LEAKS - Alfa - 147 - eLearn

3022764 - X12 ENGINE OIL LEAKS

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	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 engine gaskets	Continue to Step 4
			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. 1020A20
		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 for 1.6 120 hp and 2.0 engines, condition of water-oil heat exchanger	Continue to Step 4	Oil filter damaged or distorted	Replace the oil filter and gasket Op. 1004B30
		Continue to Step 4	Heat exchanger with oil leaks	Replace heat exchanger Op. 1084C10
4	ENGINE GASKETS CHECK	All OK	Problems met	Operation
	Gain access to the crankshaft and camshaft oil sealsCheck the seal of these gaskets	Continue to Step 5	Crankshaft gaskets damaged	Replace the gaskets involved
		Continue to Step 5	Camshaft gaskets damaged	Replace the gaskets involved
5	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present		Fault persists	Search for the fault starting from another symptom'