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Areas of the cooling system to check for leaks- Thermostat housing Waterpump Hose connection Radiator Catch tank Core plugs

Check the core plugs in the side of the cylinder block. Check all hose connections for tightness, but ensure that the clips are not cutting into the

rubber. Look along the hose for cracks, especially at points where the hose is flexed by engine movement.

Inspect the radiator seams for splits, also the catch tank and its pipe. Watch for leaks at the water-pump bearings and from the pump gasket.

Check the thermostat housing for cracks, and the housing gasket for leaks.

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Checking for coolant leaks

Hidden core plugs Use a mirror to locate hidden plugs. A leak in the water-cooling system can be...