[s-cars] Coolant Leak

calvinlc at earthlink.net calvinlc at earthlink.net
Mon Feb 25 22:30:58 PST 2008


If it is close to the engine and around the midpoint or further back I would
say most likely culprit is the plastic housing on the front of the after-run
pump seeping.  You'll have to run your fingers underneath it to try and feel
any moisture.  If it is further away from the engine then coolant tank
becomes a possibility.
--Calvin


-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com]On Behalf Of Sean Douglas
Sent: Monday, February 25, 2008 10:42 AM
To: mtgadbois at aol.com
Cc: s-car-list at audifans.com
Subject: Re: [s-cars] Coolant Leak


Mark:

Check the following;

- after run coolant pump
- the turbo return line under the intake manifold (very hard to see, its
about
12 mm in dia and about 180 mm long)
- the t-stat housing - its plastic and can crack/deform

Sean

Quoting mtgadbois at aol.com:

> S-heads,
>
> My 95.5 S6 has developed a slow coolant leak on the driver's side of the
> engine.? From inspection with a flashlight I cannot see where it is coming
> from.? The hoses and clamps look fine and tight.? Any magic areas I should
> look at?? Rather than taking it apart in the cold I put it in the garage
and
> grabbed my Boxster.? However, with 6 to 9 inches of snow coming tonight
> tomorrow will be work snow day.
>
> Mark near Chicago
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