1084B18 ENGINE OIL PUMP, REMOVED - CHECK AT BENCH (AUTOMATIC TRANSMISSION) - Alfa - 166 - eLearn

3315367 - 1084B18 engine oil pump, removed - check at bench (Automatic transmission)

) 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 gasket.6. Remove the drive gear.7. Remove the driven gear.

Refitting ( Removing

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

	Measurement		Value
-	Radial clearance between driven gear and pump 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
	at test load (daN)	15.9 - 16.9

	Measurement		Value
-	Engine oil pressure limiting valve spring height (mm)		36
	at test load (daN)	13.8 - 14.8

Fit the driven gear.Fit the drive gear.Fit the gasket.Fit 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.