[Public-List] A4 overheating

[John Birch]

Have you tried back flushing the cooling system and possibly using a 
chemical rust and scale removal chemical ?

Possibly using high pressure.

Back flushing might help.


ATB

John

----- Original Message ----- 
From: "Gordon Laco" <mainstay at csolve.net>
To: "Alberg 30 Public List -- open to all" <public-list at lists.alberg30.org>
Sent: Tuesday, July 12, 2011 9:12 AM
Subject: [Public-List] A4 overheating


> Hi gang
>
> Surprise is on day four of a very nice cruise in company with friends who 
> sail a Columbia 29.   Their A4 is overheating and we are towing them a 
> lot.   It has a new water pump that throws lots of water, and the 
> thermostat was already removed... Not much water is coming out their 
> exhaust compared to ours
>
> I noticed in the thermostat housing there's lots of rust flakes.  We 
> removed them but guess lots more is blocking the cooling jackets.
>
> Is there a way to reverse the water flow in hopes of moving the rust 
> flakes?
>
> Gord Surprise 426 (at Franklin Island)
>
> Sent from my iPhone
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