Introduction
The model presented is a Ford Ka phase 1 1.3 60hp.
Remember to use a coolant that complies with the manufacturer's recommendations.
Before you start, make sure that the thermostat gasket is supplied.
I decided to change the bridle but it is not mandatory if it is in good condition.
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The thermostat is in the flange that sits between the cylinder head cover and the engine mount.
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Bride
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Water hoses
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Hose clamps
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Flange fixing screw
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Remove the cap from the filler jar.
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Place a basin under the drain hose.
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Remove the drain hose clamp and then pull the hose to remove it.
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Let the liquid drain.
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Remove the hose clamps and then remove the hoses.
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Remove the flange mounting screws and then remove the flange.
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Leave the old thermostat in place and clean the gasket surface using a cutter blade.
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Remove the thermostat and clean the thermostat housing.
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Be careful not to drop anything into the well.
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Reposition the drain hose with its clamp.
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There is no bleeder screw on this model. The expansion tank being the highest point the air escapes through the return pipe.
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Fill the jar to the correct level.
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Check for leaks at the drain hose, flange hoses and at the bride on the joint plane.
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Start the engine and let it run.
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Now that the fluid is under pressure and circulating, check again for leaks at the drain hose, flange hoses, and the bride on the joint plane.
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Let the temperature rise until the cooling fan starts.
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Wait for the engine to cool down and then top up.
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Photo showing the old thermostat before cleaning then after cleaning and finally the thermostat nine
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One Comment
on my FORD KA 1.2 ess the new square section seal of the new QH thermostat housing purchased from Oscaro is extruded by the small machining of the seal groove which must serve as a fuse in the event of overpressure; this during the last 0.5 mm of tightening of the 2 screws.
what should i do.
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