[C320-list] Water Temp warning light

[Marko Jamnik]

Thank you for the feedback. A good place to start.

I will let you know my findings

Thank you

Marko
Lake Ontario
#304



On 2012-07-09, at 5:18 PM, Chris Burti wrote:

> I found these two part numbers...which need to be verified...
> 
> Water Temperature Sender 035109
> Water Temperature Switch 037493
> 
> 
> I'm guessing, but I suspect the part likely to cause a mistaken signal
> to the light would be the switch as the light would just need an
> on/off capability and the sender would be for the gauge. My thinking
> is that if it were defective it could cause the light to come on when
> the temperature was normal. Replacing the switch would be cheaper than
> a service call.
> 
> Now the caveat...I'm just making inferences from issues I've dealt
> with with other engines, I don't have a Westerbeake...do your own
> research...this is just a suggestion as a starting place. There are
> manuals to be found online if you no longer have yours (including our
> website tech section) and trouble shooting discussions.
> 
> On Mon, Jul 9, 2012 at 5:00 PM, Chris Burti <clburti at gmail.com> wrote:
>> All engines that have gauges or alarms have sensors to trigger the
>> alarms or run the gauge. It is not uncommon for those to go out after
>> 10 years or so. Pretty cheap to replace. It will appear as a roundish,
>> quarter-diameter x 1/2" thick plug sticking out of the engine block,
>> usually near the front or back with two wires the same color as on the
>> light or gauge.
>> 
>> Old school troubleshooting: Look for these two wires in the engine
>> compartment in the vicinity of the block. unscrew the sender and
>> coolant should dribble out...plug the hole and take to a tractor
>> repair  facility or a really good auto parts store and buy a
>> replacement.
>> 
>> New school: google the engine model and engine coolant temperature
>> sensor.  Then buy the part and replace without needing to plug the
>> hole.
>> 
>> 
>> 
>> On Mon, Jul 9, 2012 at 3:51 PM, Karl Mielenhausen
>> <kmielen at suddenlink.net> wrote:
>>> Marko,
>>> 
>>> It would be helpful to know which engine you have.
>>> 
>>> I suspect your impeller has broken/missing vanes.
>>> Was it inspected this spring before commissioning?
>>> Was it removed during winterization? (They can take on quite a "set" over
>>> the winter, to the point where the vanes fracture upon start-up.)
>>> If the impeller checks out, you may have a partially fouled heat exchanger.
>>> Here are some Mainsheet references to a hot running engine....
>>> http://www.catalina320.com/article.php?story=20100117205621921
>>> http://www.catalina320.com/article.php?story=20090718083201878
>>> 
>>> Karl Mielenhausen
>>> 
>>> 
>>> On Mon, Jul 9, 2012 at 10:12 AM, Marko Jamnik <mjamnik at markocreative.net>
>>> wrote:
>>>>> Things just keep happening. One way of keeping me on my toes.
>>>> 
>>>> Ventured out for a sail the other day and everything was working normal,
>>> the engine started, water was circulating through the engine.
>>>> Twenty minutes under power my water temp light came on as well as the
>>> alarm. The gauge was a normal 80c, the coolant was full, the impeller was
>>> changed two years ago with 44 hours on the new one. My intake filter is
>>> clear. I ran the engine for approximate 30 minutes gauge still reading 80c
>>> and then I decided time to shut it down. I let it cool down and then tried
>>> it again hoping it was a temporary thing.
>>>> I would appreciate any other options I may have over looked. With the
>>> gauge being normal I ruled out the thermostat.
>>>> 
>>>> Mark
>>>> Lake Ontario
>>>> #304
>> 
>> 
>> 
>> --
>> Chris Burti
>> Farmville, NC
> 
> 
> 
> -- 
> Chris Burti
> Farmville, NC
>