X15 GEARBOX/DIFFERENTIAL OIL LEAKS - Alfa - 147 - eLearn

An oil leak is seen from the gearbox/differential

0	PRELIMINARY CHECKS	All OK	Problems met	Operation
		Results of the tests
	Check whether the fault is accompanied by a noise from the gearbox with the vehicle stationary and in neutralCheck the gearbox/differential fluid level Op. 2110A04	Continue to Step 1	Noise detected from the gearbox	See table S22 NOISE' GEARBOX
		Continue to Step 1	Fluid level not correct	Restore the correct level Op. 2110A04 If the fault persists, continueContinue to Step 1
1	LEAKS CHECK	All OK	Problems met	Operation
	Thoroughly wash the gearbox, cover it with talc and road test the vehicle.Visually check that there are no leaks In particular, check the condition of the gaskets: gearbox input shaft gasket rear cover gasket differential oil seal	Continue to Step 2	Leaks from the seals	Replace the gaskets Op. 2110C24
			Leaks from the seals	Replace the flange Op. 2110D53
			Leaks from the seals	Replace the oil seal Op. 2110D62
2	GEARBOX CASING CHECK	All OK	Problems met	Operation
	Visually check the condition of the gearbox casing, using talc	Continue to Step 3	Casing damaged, cracked or distorted	Replace the gearbox casing, the rear cover, or the entire gearbox Op. 2110B32
3	CORRECT OPERATION CHECK	All OK	Problems met	Operation
	Check that the fault is no longer present		Fault persists	Search for the fault starting from another symptom'