The engine oil pump is gear mounted in the timing chain cover

The pump drive gear is driven by the crankshaft

We remove the pump for replacement when its performance decreases

Oil system parts: 1 - oil pump housing, 2 - oil pump driven gear, 3 - oil pump drive gear, 4 - timing chain cover

Remove the timing chain cover, described in the article "How replace the timing chain of the Hyundai Solaris engine»

Clean and rinse the chain cover from dirt and oil

Removing and installing an oil pump for a Hyundai Solaris engine

We unscrew the two bolts securing the pump housing

Removing and installing an oil pump for a Hyundai Solaris engine

We unscrew the three screws securing the oil pump housing

Removing and installing an oil pump for a Hyundai Solaris engine

Remove the oil pump housing from the timing chain cover

Removing and installing an oil pump for a Hyundai Solaris engine

Unscrew the plug from the hole of the pressure reducing valve

Removing and installing an oil pump for a Hyundai Solaris engine

Remove the spring from the body

Removing and installing an oil pump for a Hyundai Solaris engine

Remove the pressure reducing valve plug

Inspecting the details of the pressure reducing valve.

The plunger should be free of burrs and deep scratches.

Inspecting the pressure reducing valve seat.

There should be no scratches or scratches on its inner surface.

Small scratches and nicks can be removed with zero sanding paper.

Removing and installing an oil pump for a Hyundai Solaris engine

Remove the oil pump drive gear from the timing chain cover

Removing and installing an oil pump for a Hyundai Solaris engine

Removing the driven gear of the oil pump

Measure the side clearance of the oil pump gears with a metal ruler and a feeler gauge.

Gap should be 0.18mm

Measure the gap between the teeth of the drive and driven gears of the oil pump.

The nominal gap between the teeth of the driving and driven gear is 0.376 mm.

Removing and installing an oil pump for a Hyundai Solaris engine

When assembling the oil pump, install the oil pump gears so that the marks on the drive and driven gears face the inside of the timing chain cover.

Replacing the front crankshaft oil seal

We apply sealant around the entire perimeter of the mating surface of the chain cover timing gear and oil pump housing

Install the oil pump cover and all removed parts in reverse order.