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Discussion Starter #1
I am also having the slow coolant leak problem discussed in several threads. Have had the system pressure tested and was told it was fine. There seems to be some blue coolant on the top right of the black expansion tank. There is something there that looks like a black Phillips head screw just on the top of the tank, not part of the cap itself, and it looks like the coolant may be come from around there. Is this a pressure release valve of some sort or is the pressure release valve only in the cap itself as mentioned in another thread..

Was down more than 4 cups two weeks ago, down 3 cups today. I now carry a gallon of coolant with me in the car, and a measuring cup. :(
 

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Discussion Starter #2
forgot to mention that I'm not too concerned these days as with the low temperatures here the engine is almost air-cooled like my old beatle. :D
 

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2002-2005 Range Rover MkIII / L322
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That screw is the bleed screw. Will it do up any tighter (be carefull with it) or failing that if you still suspect it of leaking how about removing it and wrapping some plumbers PTFE tape around it to seal the thread?

Dan
 

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Ive discovered the day you smell coolant the clock has started running on the imminent failure of multiple cooling system components. Has your range ever had repairs made to its cooling system, I'm getting real familiar with these repairs this month...

Seems as if you repair one issue, another part down the line starts letting go.
 
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