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Coolant pump

Coolant pump

To remove


1. Remove the expansion tank pressure cap and release any overpressure.


2. Remove the air cleaner with mass air flow sensor.

3. Loosen the fuel hoses from the bracket and wiring harness with console and move it aside.

4. Raise the car and remove the right front wheel.

5. Remove the lower engine cover, the right-hand air shield and the cover in the right-hand wheel housing.


6. Position a receptacle under the radiator, open the drain plug and drain the coolant.

7. Relieve the tension on the belt tensioner by turning it anticlockwise (towards the rear of the car) with a 19 mm spanner and lift off the belt.

Lower the car to the floor.


8. Position a jack with a wooden block under the engine and carefully raise it until it takes the weight of the engine.

9. Remove the right engine mounting with bracket.

10. Remove the nut for the rear engine mounting.


11. Raise the engine further and remove the coolant pump belt pulley.

12. Remove the coolant pump.


To fit


1. Clean the sealing surfaces and fit the coolant pump using a new O-ring. The slot in the pump should face upward.

Tightening torque: 20 Nm (15 lbf ft).


2. Fit the coolant pump belt pulley.

Tightening torque: 20 Nm (15 lbf ft).

3. Fit the multigroove V-belt, lower the engine slightly and fit the right-hand engine mounting.

Tightening torque: 47 Nm (35 lbf ft).

Carefully lower the engine and remove the jack.


4. Make sure the engine is suspended freely and tighten the right-hand engine bracket to the body.

Tightening torque: 47 Nm (35 lbf ft).

5. Tighten the nut for the rear engine mounting.

Tightening torque: 47 Nm (35 lbf ft).


6. Refit the console with the wiring and refit the fuel hoses.

7. Raise the car, relieve tension of the belt pulley by turning the belt pulley anticlockwise (towards the rear in the car) with a 19 mm wrench and fit the belt on the pulley. Check the position of the belts on all pulleys.

8. Refit the cover in the right wheel housing, the right air shield and the lower engine cover.


9. Fit the right front wheel.

Tightening torque: 110 Nm (81 lbf ft).

Lower the car to the floor.

10. Fit the air cleaner and mass air flow sensor.

11. Check that the radiator drain plug is tightened.

12. Fill with coolant, check the integrity of the system and bleed it as follows:

Note

AC/ACC must be off.


Connect exhaust hoses to both the engine exhaust system and the auxiliary heater exhaust system and start the engine.

Start the parking heater using the diagnostics instrument. (Body, SID, Activate, Heater). The parking heater stops when the engine reaches a temperature of 80°C or if the parking heater menu is exited.

Check that there is a continuous flow of coolant in the hose from the thermostat housing to the expansion tank. Rev up the engine briefly to ensure circulation of the fluid.

Run the engine until the thermostat has opened.

13. Shut off the engine and top up the cooling system if needed.