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post #13 of (permalink) Old 22-04-2017, 07:22
Rover V6 Coupe
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Join Date: Nov 2007
Location: Manchester
Car: Vauxhall Astra Turbo Diesel. Combo Turbo Diesel. Rover 825 V6 Coupe. Merlin Titanium Mountain Bike.
Posts: 3,083
with a leak like this you need to be looking for a loss of steam rather than a loss of coolant.

you need to look at the waterpump and hoses etc when the engine is hot, but as is often the case when the leak is new/slow it is still very difficult to spot and sometimes you are lucky just to be able to see the heat loss in the air around the area rather than even steam as the little amount coming out is evaporating. The waterpump are designed to do this so that will always be the first place to check, but depending on location in your car waterpump can be difficult to detect. If you still can't find it there are always leak detection dyes you can try.
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