Quote:
Originally Posted by Fox3
What purpose does the tiny hole on the left hand side of the neck of the tank do?
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Read this:
https://www.the75andztclub.co.uk/for....php?p=2293452
Quote:
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I'm going through about a litre of coolant a week at the minute!
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Are you sure all that is being lost via the header tank cap? Diesels rarely get warm enough to have pressure cap ejection issues, but are prone to simple leaks. A common leak spot is the thermostat housing. Both the main housing o-ring/gasket and the coolant rail to housing o-ring are common failure points. Of course coolant might leak from any of the dozens of joints in the system. It may need careful examination to find them.
TC