We remove the coolant pump for overhaul of the engine and also in the absence or insufficient circulation of the coolant

Insufficient coolant circulation can be caused by a broken pump impeller drive shaft, a broken impeller, or large deposits of scale in the pump cavity.

To remove and install the pump, you will need tools: 10, 12, 16, 18 sockets, 13 wrenches, TORX E14, TDC lock, camshaft lock, flat blade screwdriver, sealant, coolant drain container.

Drain the coolant (look - Renault Megan 2 coolant replacement method)

Remove the accessory drive belt (look - Replacing the Renault Megane 2 accessory drive belt)

Remove the timing belt (look - Replacing the timing belt engine K4J Renault Megane 2)

How to replace a Renault Megane 2 coolant pump

We unscrew the eight bolts securing the pump to the cylinder block.

Bolts vary in size, you need to remember the location.

How to replace a Renault Megane 2 coolant pump

Pry off with a screwdriver and remove the coolant pump

How to replace a Renault Megane 2 coolant pump

We clean the mating surface of the cylinder block and coolant pump from sealant residues

How to replace a Renault Megane 2 coolant pump

Apply sealant to the pump flange

How to replace a Renault Megane 2 coolant pump

We tighten the coolant pump mounting bolts in the sequence shown in Figure 5.

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

Install all parts in reverse order.

Fill in coolant, remove air pockets, check the tightness and performance of the pump.