[s-cars] Coolant expansion tank connection

[Matt twentyV]

Get a new tank.  I've got one sitting on my workbench for my '91cq that exhibits the exact same problem, and went through this on the S6 earlier this year.  All attempts to bandaid the problem just make it worse.
-Matt

Alan Page <alan at flaminglogos.com> wrote: Hello all,

I'm new to the S-car list and have a problem with my cooling system on  
my '94 S4.

I've had a slow leak for a couple of months, and after a long, hot  
drive I found the problem: The hose going to the top of the coolant  
expansion tank was leaking  steam, and if I moved it back and forth I  
could get more or less leakage. I thought that the hose clamp was just  
loose, but I couldn't tighten it because it's one of the crimped ones.

When I took off the clamp and the hose, there was a bunch of grit  
(broken plastic) in the hose and the end of the nipple is missing on  
the tank. See a photo of it here:  
http://www.flaminglogos.com/_share/expansion_tank01.jpg

Is the nipple supposed to have a thicker bit at the end to form a  
tight seal when clamped? Is there any way to get a good seal with a  
connector that looks like this, or should I just get a new expansion  
tank?

Thanks,
Alan

alan page
flaming logos design
203-364-7856
alan at flaminglogos.com
'90 80
'94 S4





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