[Public-List] A4 overheating

[Gordon Laco]

Thanks

We've tested by removing the heat sensor and found the engine throws water strongly there.   The problem must be tears the downstream end of the system

G

Sent from my iPhone

On Jul 12, 2011, at 9:45 AM, "Meinhold, Michael J." <MICHAEL.J.MEINHOLD at saic.com> wrote:

> Gord - 
> 
>  The passages are moderately wide and a good strong pump should do a
> good job clearing itself.
>  If they hooked it up and got good water out the exhaust initially,
> then I would suspect a blocked inlet.
> 
>  Close the through-hull valve, remove the hose from the pump and
> elevate the end above the waterline, open the valve and lower the end.
> If it doesn't gush impressively, then try blowing back out or clearing
> it mechanically.
> 
> 
> Mike
> Rinn Duin #272
> 
> 
> 
> -----Original Message-----
> From: public-list-bounces at lists.alberg30.org
> [mailto:public-list-bounces at lists.alberg30.org] On Behalf Of Gordon Laco
> Sent: Tuesday, July 12, 2011 9:13 AM
> To: Alberg 30 Public List -- open to all
> 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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