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Coolant leak 1998 A4 2.8l

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Old 11-11-2015, 09:39 AM
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Default Coolant leak 1998 A4 2.8l

I have noticed a coolant leak that is coming from the hose connected to the radiator (the big visible one that has a smaller hose connected to it that goes back to the reservoir) I took it off, and inspected the connection the hose and the ring, and everything looked good. Is there any reason why?
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Old 11-12-2015, 07:04 PM
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This happened to me once. Maybe you have the same deal...

You are talking about the lower radiator hose. Those hoses have a snap-fit fastener.
That is, you have to push them on with the fastener pulled back, and then once it's
pushed on as far as it goes (there's a groove on the fastener - you have to align the
groove with the ridge on the radiator spout), press the fastener on to lock it in.

Problem I had was that I was not pressing the hose on far enough. The fastener
would still clip into place, I could even pull on it and it would not come off. But
as pressure built while driving - it would start to leak.

So, remove the hose and (here's my trick) spray a little WD40 on to the spout,
then the fastener will slip easily all the into place. And then clip the fastener.

Good luck.
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