1084B18 ENGINE OIL PUMP, REMOVED - CHECK AT BENCH - Alfa - 156 - eLearn

3239082 - 1084b18 engine oil pump, removed - check at bench

) 1. Remove the intake mesh.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 do not show signs of wear or binding. If not, replace the oil pump assemblyCheck that the radial clearance between driven gear and pump casing is within the recommended limits; If not, replace the oil pump assembly

	Measurement		Value
-	Radial clearance between driven gear and engine oil ump casing (mm)		0.025 ÷ 0.075

Check that the height of the spring for the engine oil pressure relief valve is within the recommended limits; if this is not the case, replace the spring.

	Measurement		Value
-	Engine oil pressure limiting valve spring height (mm)		33.3
	test load (daNm)	15.9 - 16.9

	Measurement		Value
-	Engine oil pressure limiting valve spring height (mm)		36.0
	Check load (daN)	13.8 - 14.8

Fit the driven gear.Fit the drive gear.Fit the gasketFit the pump cover on the pump casing and fix it using the bolts.Fit the engine oil pressure relief valve.Fit the circlip.Fit the intake mesh.