We replace the pump in the event of noise from its bearing or in the event of stiff rotation of the pump pulley, large radial play of the pump shaft
We also replace the pump in the event of a coolant leak from the control hole.
The following tools will be required: 10, 12, 16, 18 mm sockets, Torx E14, 13 mm spanner, flat-bladed screwdriver, locking key for setting TDC, camshaft locking tool, sealant, container for the drained liquid.
We place the vehicle on a lift or an inspection pit.
On the F4R engine
We remove the auxiliary drive belt (article – Checking and replacement of the auxiliary drive belt Renault Duster).
We remove the toothed timing drive belt (article – Checking and replacement of the timing belt of the Renault Duster vehicle)
Two dark-coloured bolts, shown by arrows, are screwed into the threaded openings of the cylinder block that open into the engine cooling jacket.
Having replaced the sealing gasket with a new one, we install the coolant pump in the reverse order.
Before installing the pump securing bolts that communicate with the engine cooling jacket, we apply a thin layer of sealant to the threaded part of the bolts.
We tighten the bolts to a torque of: M6 – 10 Nm; M8 – 22 Nm.
On the K4M engine
We remove the auxiliary drive belt.
We remove the toothed timing drive belt (article – Checking and replacement of the timing belt of the Renault Duster vehicle)
We install the coolant pump in the reverse order.
We replace the gasket.
We tighten the pump bolts in the sequence shown in the figure.
We tighten the M6 bolts to a torque of 10 Nm, the M8 bolts to a torque of 22 Nm.
