[s-cars] Cooling System Presure / Accessory Belt Tensioner

[Andrew Pennell]

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Yup, cracked nipple. Thanks. That solves that mystery. -AP

Jeff Sevel <jeffsevel at hotmail.com> wrote:Andrew:

I am the least mechanically inclined of this group; however, I have had a
few issues w/ my overflow hose connection. The small plastic nipple
connection on the overflow tank cracked which caused some leaking of
coolant. Only option was to replace the tank and have the whole coolant
system flushed and refilled ($200). I did a quick JB Weld fix which lasted
an entire year.. we just had a 90 degree wknd in Seattle, so I've noticed
it's been gushing again. My mechanic had originally tried several different
clamps on the hose but it still kept spewing out. For what it's worth, my
advice is to investigate for any cracks on the tank (i.e. nipple) and make
sure the clamp is secure, but not too tight.

Jeff
95.5 S6
Seattle


>From: Andrew Pennell
>To: s-car-list at audifans.com
>Subject: [s-cars] Cooling System Presure / Accessory Belt Tensioner
>Date: Tue, 10 Jun 2003 08:39:57 -0700 (PDT)
>
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>
>Anyone know what pressure the cooling system should run at? I am leaking
>some coolant from the overflow hose connection on the top of the expansion
>tank after getting the engine is up to temperature. I guess the fitting is
>loose enough to let pressure and coolant escape, but I was concerned that
>perhaps my pressure is too high. I am running normal temps. What is a good
>way to check the overall health of the cooling system?
>
>On another note...the tensioner wheel for the engine accessory belt is
>making a faint chirp at idle. Should I just replace the whole t-belt /
>water pump, etc etc if I am considering replacing the accessory belt
>tensioner? The current t-belt has 40K miles on it.
>
>Thanks -AP
>95 S6 Avant
>
>
>
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