Citroen DS4 Coolant Expansion Tank Problems
Problems mentioning the Coolant Expansion Tank on the Citroen DS4
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What problems can be caused by a faulty Coolant Expansion Tank?
Coolant leaking near expansion tank
There is coolant around the expansion tank, the area around the tank is wet and possibly dripping onto other parts of the engine. The drip often appears to come from the cap or the pipes entering the tank.
Engine Temperature warning light showing on dashboard
The engine temperature warning light shown in the picture (or one very similar depending on the car manufacturer) has appeared on the dashboard and stays on.
Engine temperature is higher than normal
The engine temperature reading on the dashboard gauge is noticeably higher than usual. It doesn't seem to be caused by sitting in traffic on a hot day, it is generally just higher all the time.