Changing the upper water hose on a Ford Fiesta IV

It goes from the thermostat housing to the left side of the radiator

Place a drain pan under the vehicle to collect the water that will drain.

Using a large flathead screwdriver, unscrew the drain plug located at the bottom of the driver's side cooling radiator.

Unscrew the drain plug completely to purge the circuit.

Place a rag around the hose to absorb the little liquid that will flow out when you remove it.

Using a pair of pliers, remove the hose clamp.

Remove the hose by pulling on it.

Using a pair of pliers, remove the hose clamp.

Remove the hose by pulling on it.

Using a cloth, clean the radiator nozzle.

Old hose

New hose

Collect the old hose clamps which you will reuse with the new hose.

Reassembly is carried out in reverse order.

Make sure the hose does not touch the exhaust manifold or heat shield and that it is not twisted, so that the flow of water is not obstructed.

There is no bleeder screw on this model. The expansion tank being the highest point the air escapes through the return pipe.

If you haven't already done so, close the drain plug.

Consider purchasing coolant that meets the manufacturer's standards.

Fill the jar to the max level and check that there are no leaks at the hose and the drain plug.

Start the engine and let it run.

Now that the fluid is under pressure and circulating, check again for leaks at the hose and drain plug.

Let the temperature rise until the cooling fan starts.

Wait for the engine to cool down and then top up. The level should be between the Min and Max marks.