We remove the oil pump when overhauling the engine, when replacing the circuit and when repairing the pump itself

To do the job you will need: sockets for 10, for 13, TORX E8, a square wrench, engine oil, an oil drain container.

Drain the oil from the engine crankcase, see the article - “Changing the oil and filter of the Renault Megan 2 engine”

Remove the oil sump, see the article - "Removing and installing the Renault Megan 2 pan"

Oil pump repair Renault Megane 2

We unscrew the two bolts of the oil pump

Oil pump repair Renault Megane 2

Oil pump mounting bolts of different sizes

Oil pump repair Renault Megane 2

Lower the oil pump a little down

Oil pump repair Renault Megane 2

Remove the chain from the pump sprocket

After installing the pump, tighten the bolts with a torque of 25 Nm.

Oil pump repair

In addition to the pump removal tool, you will need: a special sealant, an 8 wrench, pliers, a ruler, a set of flat feelers.

Oil pump repair Renault Megane 2

Remove the oil pump

Oil pump repair Renault Megane 2

We unscrew the five bolts securing the oil pump cover

Oil pump repair Renault Megane 2

Remove the oil pump cover

Oil pump repair Renault Megane 2

Remove the spring retainer of the pressure reducing valve.

Reducing valve spring is preloaded.

Remove the latch very carefully, holding the spring stop.

Oil pump repair Renault Megane 2

Remove the spring stop

Oil pump repair Renault Megane 2

Retrieve the spring

Oil pump repair Renault Megane 2

Remove the pressure reducing valve plug

Oil pump repair Renault Megane 2

Measure the radial clearance between the gears and the pump housing.

The gap should be 0.11-0.249 mm.

Oil pump repair Renault Megane 2

We measure the axial clearance of the gears.

The gap should be 0.020-0.086 mm.

If the gaps do not match, replace the pump assembly.

We wash all parts of the pump.

Oil pump repair Renault Megane 2

Inspecting the pump housing and cover.

If there are cracks or scratches, we replace the pump.

Checking the re plunger induction valve for scratches and signs of sticking.

Small dents and burrs can be removed by sanding.

Check the pressure reducing valve spring for permanent deformation and bending.

We replace the damaged spring.

Oil pump repair Renault Megane 2

Check the pump gears for metal chipping, scuffing and tooth wear.

Replace damaged parts.

We assemble the pump and install it in the reverse order.

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