[C320-list] Exhaust question

[surprise thompson87.com]

The engine one will be in the large cockpit locker on a 1999 boat. The other antisiphons could not explain a pump running every 15 minutes. 

> On May 27, 2024, at 10:20 AM, Dave Hupe via C320-list <c320-list at lists.catalina320.com> wrote:
> 
> Also, possible leaks are from the anti-siphon valves on the engine seawater cooling supply system, as well as the head water supply hose.  The "duckbill" valves for these are easily replaceable. 
> When I bought my boat, water was spewing into my engine compartment when running the engine due to an old duckbill valve. That valve was on the port side of the engine enclosure, but can be elsewhere on later boats. 
> My head duckbill valve is behind the toilet/sink, but I understand in later boats can be inside the medicine cabinet. Periodic easy replacement of the duckbills (really small) inside the retainer caps is advisable.
> Dave Hupe 
> 1994 C320 #32
> 
> Yahoo Mail: Search, Organize, Conquer
> 
>  On Mon, May 27, 2024 at 9:35 AM, Bob Borelli via C320-list<c320-list at lists.catalina320.com> wrote:   What could be leaking water into the bilge so that pumpengine compartment.  runs every 15 minutes?
> 
> Water from exhaust only when engine running could be:
> 
>   *
> Exhaust elbow and or gasket
>   *
> Exhaust hose to Muffler
>   *
> Aqua Muffler
>   *
> Exhaust hose from Aqua Muffler to overboard discharge.
>   *
> Raw water pump cover gasket
>   *
> Raw water pump supply hose.
> 
> Fresh water system use food color in tanks to locate possible leak:
> 
>   *
> Forward, Aft, Hot water tank connections.
>   *
> Quick Connect 'Whale' water tube connections
>   *
> Water filter cannister
>   *
> Water pump
>   *
> Accumulator tank
> 
> Sea valve hose connections:
> 
>   *
> Raw water supply to diesel
>   *
> Galley sink drain
>   *
> Head sink drain
>   *
> Shower sump pump drain
>   *
> toilet raw water intake
>   *
> Holding tank ovbd discharge
> 
> Miscellaneous:
> 
>   *
> Ice melting in the reefer drains to bilge
>   *
> Shower water to sump pump hose
>   *
> prop shaft stuffing box
>   *
> anchor locker drain hose, if bow down & hose ruptured, ovbd discharge under water, water in.
>   *
> unlikely leak around keel bolts
>   *
> if its been raining that is a whole longer list
>   *
> galley and head under the sink drain connections
> 
> ________________________________
> From: C320-list <c320-list-bounces at lists.catalina320.com> on behalf of Louis Friedman via C320-list <c320-list at lists.catalina320.com>
> Sent: Monday, May 27, 2024 9:03 AM
> To: C320-List at catalina320.com <C320-List at catalina320.com>
> Cc: Louis Friedman <loualfr at gmail.com>
> Subject: Re: [C320-list] Exhaust question
> 
> Haven’t run the engine that much yet so don’t know. But the other issue is the bilge runs intermittently every 15 min or so - so something is leaking - but maybe that in the water system?-,they are checking on that as well.
> Sent from my iPhone
> 
>> On May 27, 2024, at 9:00 AM, Chris via C320-list <c320-list at lists.catalina320.com> wrote:
>> 
>>   Culprit could be the muffler. Are you getting any water in the bilge
>>   when running the engine?
>> 
>>   On 27 May 2024 13:35, Louis Friedman via C320-list
>>   <c320-list at lists.catalina320.com> wrote:
>> 
>>     Hi all,
>>     We recently purchased a 1999 320 . Trying to get her ready to sail.
>>     the Yanmar needed a new exhaust elbow due to a hole on it. That was
>>     replaced along with an exhaust hose that had reached the end of its
>>     life. Was ready to get  out on the water and marina said there is an
>>     exhaust leak that needs fixing. I’m more of a sailor than a
>>     mechanic, still learning. What else in the exhaust circuit could be
>>     leaking or would it just be one of the fittings to that they
>>     replaced ?
>>     Lou
>>     S/v MissAdventure
>>     Sent from my iPhone
>