We replace the pump in case of noise from its bearing or in case of tight rotation of the pump pulley, large radial play of the pump shaft

We also replace the pump when a coolant leak occurs from the control hole.

Tools will be required: socket heads for 10, 12, 16, 18, Torx E14, wrench for 13, flat-blade screwdriver, wrench for setting TDC, camshaft lock, sealant, container for drained fluid.

We install the car on a lift or a viewing ditch.

On K4M engine

Drain the coolant (see the article - Checking and replacing the Nissan Almera engine coolant)

Remove the accessory drive belt (article - Replacing the accessory drive belt Nissan Almera)

Nissan Almera coolant pump and reservoir replacementNissan Almera coolant pump and reservoir replacement

Remove the timing belt (article - How to replace the timing belt Nissan Almera)

Remove the timing belt tensioner

Nissan Almera coolant pump and reservoir replacementNissan Almera coolant pump and reservoir replacement

With a head for 8 we unscrew seven bolts 1 and with a head for 10 one bolt 2 fastening the pump to the cylinder block

Prying off the protrusion on the pump housing with a flat screwdriver, we squeeze the pump from the cylinder block

Nissan Almera coolant pump and reservoir replacementNissan Almera coolant pump and reservoir replacement

Remove the coolant pump

Remove the gasket.

Install the coolant pump in reverse order.

Replacing the gasket.

Nissan Almera coolant pump and reservoir replacement

We tighten the pump bolts in the sequence shown in Figure 7.

We tighten the M6 ​​bolts with a torque of 10 Nm, we tighten the M8 bolts with a torque of 22 Nm.

Removing the expansion tank

Remove the expansion tank for flushing or replacement.

Removing the expansion tank

We pump out the coolant from the tank using a pear or a syringe.

We substitute a wide container for collecting liquid under the car, in the area of ​​\u200b\u200bthe tank.

Removing the expansion tankRemoving expansion tank

Pliers compress the ends of the clamp for fastening the steam outlet hose

Remove the hose from the top fitting of the tank

Removing the expansion tankRemoving expansion tank

With sliding pliers we compress the ends of the inlet hose clamp

Remove the hose from the bottom fitting of the tank. We plug the hole in the hose with a cork of a suitable size.

Removing the expansion tankRemoving the expansion tank

With a 10 head with an extension, unscrew the two nuts securing the tank

Remove the tank from the studs of the body bracket.

Install the expansion tank in reverse order.

Add coolant to the system cooling.