Cheers glyn,
Quote:
Originally Posted by GlynH
I had an unexplained coolant loss earlier this year with no sign of a leak anywhere.
Done a pressure test and it was losing pressure but very, very slowly.
I was expecting the worst but then decided to remove the undertray, checked the following morning and sure enough there was a slight sign of pooling adjacent to the front offside wheel arch.
Removed the wheel arch liner and there are a couple of aluminium cooling pipes behind it and one had a pinhole in it.
Done a temporary repair by splitting a piece of rubber hose and clamping it around the pipe where the pinhole was.
Sure enough the leak stopped which was a huge relief as I was worried it may have been head gaskets!
Ordered the wrong pipe - I believe it is listed under HVAC and not cooling and once replaced the coolant loss stopped completely.
Hope that helps?
-=Glyn=-
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2014 D4, FL 3.0tdi, phantom black, sport exec lwb
2002 D2 S8, Aqua Blue Pearl, original bar FE alloys and miltek
1997 D2 PF 4.2q, silver, Sport on roughly 90k and counting….
1990 2.3 20v 7a Coupe Quattro
**SOLD** 1996 2.6 v6 cabriolet, Isis red metallic
**DEAD  ** 2009 D3, 3.0tdi sport, black
Had a few Audis over the years, mostly early stuff, newest was a D3 prior to my D4, nothing much kept me smitten with other marques so I floated about a bit from one thing to another until that four ring lure caught hold
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