1084B18 ENGINE OIL PUMP, REMOVED - CHECK AT THE BENCH - Lancia - THESIS - eLearn

505994 - 1084B18 Engine oil pump, removed - Check at the bench

) 1. Remove the intake gauze.2. Remove the circlip.3. Remove the engine oil pressure relief valve.4. Undo the bolts (4a) and separate the pump cover (4b) from the pump casing (4c).5. Remove the seal.6. Remove the drive gear.7. Remove the driven gear.

Refitting ( Removing

) - Check that the gears show no signs of wear or seizing; if this is not the case, replace the oil pump assembly.- Check that the radial clearance between the driven gear and the pump casing is within the recommended limits; if this is not the case, replace the oil pump assembly.

	Subject	Value
.	Engine oil pump casing	mm
-	Radial clearance between driven gear and engine oil pump casing	0.025 ÷ 0.075

- Check that the height of the engine oil pressure relief valve spring is within the recommended values; if not, replace the spring.

	Subject	Value
.	Engine oil pump pressure relief valve	daN
-	Height of engine oil pressure relief valve spring	15.9 - 16.9, 33.3
-	-		13.8 - 14.8, 36 mm

- Place the driven gear in position.- Place the drive gear in position.- Place the gasket back in its housing.- Place the pump cover in position and secure it tightening the bolts to the recommended torque.

	Value - daNm	Fastening	Component	Ø
.	(Engine oil pump casing side)	Bolt	ENGINE OIL PUMP COVER	M

- Place the engine oil pressure relief valve in position.- Place the circlip in position.- Place the intake gauze back in its housing.