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Just recently I have noticed a skweaky noise when my 2.5TDI t4 is idleing, but once I apply some revs and set off it stops!! But... the temp gauge on the bus then goes up to half way (never gone that far before) and stops there, doesn't get hotter or colder but no warning lights come on either :*

Can anyone help please??
and how easy is it to fix yourself??
 

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I would not think you would hear the water pump untill it was leaking!!!!!!
I would put my money on the auxilliary belt or pulley somewhere,try pulling the belt off and seeing if the noise goes away
 

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As above mate. Once the van is up to normal operating temperature, the guage should sit bang in the middle (90°C). It's most probably your alternator belt.
 
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