[s-cars] Coolant loss / Use

john cléirigh john at johncleirigh.com
Wed Jan 30 16:10:20 PST 2008


Hi Kevin, I too can report that I'm starting to chase down several loose 
hose clamps.  I have so far replaced the heater hoses and the plastic 
T.  My losses seem to have stopped for now.  I felt confident enough 
(after losing a gallon in 10 miles particularly one cold morning -- 
ouch, that's an expensive leak) that at my last system flush a week ago, 
I converted to G12.  So far, no new leaks or weeps.  Fingers crossed.

john

Kevin Barnett wrote:
> HI folks:
>
> I am beginning to be concerned about coolant loss from
> my urS4.
>
> Car has 186k miles on orig motor / turbo / trans.
>
> Replaced Overflow bottle about 3 or 4 months back due
> to leaking.  Seems that overflow bottle is a
> consumable as I seem to replace mine about every 2
> years.
>
> I seem to loose about 3/4 of overflow bottle capacity
> (about 1/3d gallon) of coolant mix every 3 to 4
> months.
>
> There is tell-tale weeping at upper thermostat neck
> and at rear of cylinder head.
>
> Replaced clamps / hoses / cleaned fittings to no
> avail.
>
> My local mechanic seems to think this is common for
> urS cars to weep coolant as his S6 and several
> customer S6's also loose coolant.
>
> The boards collective experiance is?
>
> Thanks,
> Kevin
>
>
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