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The BMW Range
5 Series
E39
Overheat - Where to do compression test?
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<blockquote data-quote="jarance" data-source="post: 741868" data-attributes="member: 21"><p>No need to do this. Just clean all the visible stain (white) at all the hose and cooling system. Run a few days and observe for new white stain.</p><p></p><p>If you need to top up every few days, a pressure test from the radiator will be able to show where the leak is.</p><p></p><p>My method of check leak is quite simple. I fill the radiator until it is overflow. Close the radiator with the cap and run the engine for about</p><p>10 minutes. Off the engine and then check for leak. reason, when water expand, it will pressurised and leak thro the hose.</p></blockquote><p></p>
[QUOTE="jarance, post: 741868, member: 21"] No need to do this. Just clean all the visible stain (white) at all the hose and cooling system. Run a few days and observe for new white stain. If you need to top up every few days, a pressure test from the radiator will be able to show where the leak is. My method of check leak is quite simple. I fill the radiator until it is overflow. Close the radiator with the cap and run the engine for about 10 minutes. Off the engine and then check for leak. reason, when water expand, it will pressurised and leak thro the hose. [/QUOTE]
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Overheat - Where to do compression test?
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