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 crankcase

Remove the oil sump

Removing and repairing the Renault Logan oil pump

We unscrew the two bolts of the oil pump

Removing and repairing the Renault Logan oil pump

Oil pump mounting bolts of different sizes

Removing and repairing the Renault Logan oil pump

Lower the oil pump a little down

Removing and repairing the Renault Logan oil pump

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.

Removing and repairing the Renault Logan oil pump

Remove the oil pump

Removing and repairing the Renault Logan oil pump

We unscrew the five bolts securing the oil pump cover

Removing and repairing the Renault Logan oil pump

Remove the oil pump cover

Remove the spring retainer of the pressure reducing valve.

Removing and repairing the Renault Logan oil pump

Reducing valve spring is preloaded.

Remove the latch very carefully, holding the spring stop.

Removing and repairing the Renault Logan oil pump

Remove the spring stop

Removing and repairing the Renault Logan oil pump

Retrieve the spring

 Removing and repairing the Renault Logan oil pump

Remove the pressure reducing valve plug

Removing and repairing the Renault Logan oil pump

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

The gap should be 0.11-0.249 mm.

Removing and repairing the Renault Logan oil pump

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.

Removing and repairing the Renault Logan oil pump

Inspecting the pump housing and cover.

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

Check the pressure reducing valve plunger 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.

Removing and repairing the Renault Logan oil pump

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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