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

Removing ( Refitting ) 1. Remove the intake wire 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 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

MeasurementValue
-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.

MeasurementValue
-Engine oil pressure limiting valve spring height (mm)33.3
test load (daNm)15.9 - 16.9
Refit the driven gear.Refit the drive gear.Place the gasket back in its housing.Place the pump cover back in its housing and secure it tightening the bolts to the recommended torque.

FasteningComponentØValue(daNm)
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Place the engine oil pressure relief valve back in its housing.Refit the retaining ring.Place the intake wire gauze back in its housing.