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Aloha to All
My w-58 is still heating up even after i have checked the obvious, any suggestions on what else i can check before i call in the machanic? new impeller, changed the thermostat, cleared the lines and looked for impeller pieces, have water flow out the discharge, cleaned the raw water strainer,
checked the heat exchanger as best i know how, checked the oil cooler-heat exchanger and have no obvious external leaking.I can strart the engine run it for about 30 imnutes or so, under a load and then it starts to creep over 180 and i shut it down as it nears 200 +/-
any thing else that i can check? the engine runs smooth and does not appear to have any coolant or oil coming out of the discharge, the oil is clear in the engine, trans and v drive… coolant is clean.
please help!
the engine is supposed to be a 1995 series w58, but not sure of that, survey indicates so with serial numbers.
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When you checked the heat exchanger did you pull the end cap and look into
it? When I took my boat for it’s first test sail we overheated about 100yds
outside the breakwater. Heat Exchanger was gummed up.-p
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s/v Deep Playa | Pearson 424 Hull #152 | http://www.DeepPlaya.comOn Mon, Apr 26, 2010 at 11:01 PM, james bartch <
wrote:
Aloha to All
My w-58 is still heating up even after i have checked the obvious, any
suggestions on what else i can check before i call in the machanic? new
impeller, changed the thermostat, cleared the lines and looked for impeller
pieces, have water flow out the discharge, cleaned the raw water strainer,
checked the heat exchanger as best i know how, checked the oil cooler-heat
exchanger and have no obvious external leaking.I can strart the engine run it for about 30 imnutes or so, under a load and
then it starts to creep over 180 and i shut it down as it nears 200 +/-any thing else that i can check? the engine runs smooth and does not appear
to have any coolant or oil coming out of the discharge, the oil is clear in
the engine, trans and v drive… coolant is clean.please help!
the engine is supposed to be a 1995 series w58, but not sure of that,
survey indicates so with serial numbers._______________________________________________
maillist mailing listhttps://pearson424.org/mailman/listinfo/maillist_pearson424.org
_______________________________________________
maillist mailing listhttps://pearson424.org/mailman/listinfo/maillist_pearson424.org
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Owners no more...
Thanks Dawn and Patrick! -
Also check the hoses to the hot water heater (assuming you heat water with
the engine). Unless you have a diverter valve to control the flow to the
water heater (my W60 did not), an air lock in these hose can restrict or
shut down the water flow through the heat exchanger. Whenever I drained the
coolant on my W60 I used to pour coolant into one of the disconnected heater
hoses untill it flowed solidly out of the other, then reattached the hoses
to the engine.On Tue, Apr 27, 2010 at 2:15 AM, Patrick “Peaboy” Walters <
> wrote:When you checked the heat exchanger did you pull the end cap and look into
it? When I took my boat for it’s first test sail we overheated about 100yds
outside the breakwater. Heat Exchanger was gummed up.-p
—
s/v Deep Playa | Pearson 424 Hull #152 | http://www.DeepPlaya.comOn Mon, Apr 26, 2010 at 11:01 PM, james bartch <
wrote:
Aloha to All
My w-58 is still heating up even after i have checked the obvious, any
suggestions on what else i can check before i call in the machanic? new
impeller, changed the thermostat, cleared the lines and looked forimpeller
pieces, have water flow out the discharge, cleaned the raw water
strainer,
checked the heat exchanger as best i know how, checked the oil
cooler-heat
exchanger and have no obvious external leaking.
I can strart the engine run it for about 30 imnutes or so, under a load
and
then it starts to creep over 180 and i shut it down as it nears 200 +/-
any thing else that i can check? the engine runs smooth and does not
appear
to have any coolant or oil coming out of the discharge, the oil is clear
in
the engine, trans and v drive… coolant is clean.
please help!
the engine is supposed to be a 1995 series w58, but not sure of that,
survey indicates so with serial numbers._______________________________________________
maillist mailing listhttps://pearson424.org/mailman/listinfo/maillist_pearson424.org
_______________________________________________
maillist mailing listhttps://pearson424.org/mailman/listinfo/maillist_pearson424.org
—
Regards,
John Stevenson
http://www.svsarah.com
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If water is flowing freeling through your exhaust outlet, and you have plenty of coolant in the fresh water circuit, then I would also be stumped..perhaps the heat sensor in your gauge is faulty?
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1. Heat exchanger may want an acid bath to cleanse it of chunks and
residue; visual inspection is not necessarily reliable. 1:5 muriatic
acid in a spackle bucket works ok. New paint afterward makes you feel
special.
2. In addition to h2o heater, a cabin heater, if you have one, may
also vapor lock coolant on w60 (discovered to my surprise and chagrin)
3. Perhaps you can test broken guage theory with autozone el cheapo
digital thermometer (as opposed to using the seized engine method).Adam Silverstein, iPhone
On Apr 27, 2010, at 2:01 AM, “james bartch” <
wrote:
Aloha to All
My w-58 is still heating up even after i have checked the obvious,
any suggestions on what else i can check before i call in the
machanic? new impeller, changed the thermostat, cleared the lines
and looked for impeller pieces, have water flow out the discharge,
cleaned the raw water strainer,
checked the heat exchanger as best i know how, checked the oil
cooler-heat exchanger and have no obvious external leaking.I can strart the engine run it for about 30 imnutes or so, under a
load and then it starts to creep over 180 and i shut it down as it
nears 200 +/-any thing else that i can check? the engine runs smooth and does not
appear to have any coolant or oil coming out of the discharge, the
oil is clear in the engine, trans and v drive… coolant is clean.please help!
the engine is supposed to be a 1995 series w58, but not sure of
that, survey indicates so with serial numbers._______________________________________________
maillist mailing listhttps://pearson424.org/mailman/listinfo/maillist_pearson424.org
_______________________________________________
maillist mailing listhttps://pearson424.org/mailman/listinfo/maillist_pearson424.org
Post generated from Pearson424 Forum using Mail2Forum
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With all the work you have done and the hoses that have been off, I’ll vote for the air bubble in the system, vapor lock theroy…. it’s happened to me.
I have a surge tank that is mounted high and above the system that is located in the port sail locker. When i redid my hoses, I did have a bubble still in there… need to burb it.
a— On Tue, 4/27/10, adam silverstein <> wrote:
<.. snip>
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A stuck thermostat?
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Have you checked the temperature using an infrared thermometer at the
thermostat elbow? Don’t discount a problem with your temperature gauge
or sender. Always use an infrared thermometer to check the real status
if you have a problem.On 4/27/2010 12:01 AM, james bartch wrote:
Aloha to All
My w-58 is still heating up even after i have checked the obvious, any suggestions on what else i can check before i call in the machanic? new impeller, changed the thermostat, cleared the lines and looked for impeller pieces, have water flow out the discharge, cleaned the raw water strainer,
checked the heat exchanger as best i know how, checked the oil cooler-heat exchanger and have no obvious external leaking.I can strart the engine run it for about 30 imnutes or so, under a load and then it starts to creep over 180 and i shut it down as it nears 200 +/-
any thing else that i can check? the engine runs smooth and does not appear to have any coolant or oil coming out of the discharge, the oil is clear in the engine, trans and v drive… coolant is clean.
please help!
the engine is supposed to be a 1995 series w58, but not sure of that, survey indicates so with serial numbers.
_______________________________________________
maillist mailing listhttps://pearson424.org/mailman/listinfo/maillist_pearson424.org
_______________________________________________
maillist mailing listhttps://pearson424.org/mailman/listinfo/maillist_pearson424.org
Post generated from Pearson424 Forum using Mail2Forum
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Good suggestion John. What would have changed to create the air lock?
My wife teaches a course in problem solving, the same technique they use
a NASA, and the first question is always “what has changed?” That
usually gives a clue to the root problem.Pete
On 4/27/2010 6:06 AM, John Stevenson wrote:
Also check the hoses to the hot water heater (assuming you heat water with
the engine). Unless you have a diverter valve to control the flow to the
water heater (my W60 did not), an air lock in these hose can restrict or
shut down the water flow through the heat exchanger. Whenever I drained the
coolant on my W60 I used to pour coolant into one of the disconnected heater
hoses untill it flowed solidly out of the other, then reattached the hoses
to the engine.On Tue, Apr 27, 2010 at 2:15 AM, Patrick “Peaboy” Walters<
> wrote:When you checked the heat exchanger did you pull the end cap and look into
it? When I took my boat for it’s first test sail we overheated about 100yds
outside the breakwater. Heat Exchanger was gummed up.-p
—
s/v Deep Playa | Pearson 424 Hull #152 | http://www.DeepPlaya.comOn Mon, Apr 26, 2010 at 11:01 PM, james bartch<
wrote:
Aloha to All
My w-58 is still heating up even after i have checked the obvious, any
suggestions on what else i can check before i call in the machanic? new
impeller, changed the thermostat, cleared the lines and looked forimpeller
pieces, have water flow out the discharge, cleaned the raw water
strainer,
checked the heat exchanger as best i know how, checked the oil
cooler-heat
exchanger and have no obvious external leaking.
I can strart the engine run it for about 30 imnutes or so, under a load
and
then it starts to creep over 180 and i shut it down as it nears 200 +/-
any thing else that i can check? the engine runs smooth and does not
appear
to have any coolant or oil coming out of the discharge, the oil is clear
in
the engine, trans and v drive… coolant is clean.
please help!
the engine is supposed to be a 1995 series w58, but not sure of that,
survey indicates so with serial numbers._______________________________________________
maillist mailing listhttps://pearson424.org/mailman/listinfo/maillist_pearson424.org
_______________________________________________
maillist mailing listhttps://pearson424.org/mailman/listinfo/maillist_pearson424.org
_______________________________________________
maillist mailing listhttps://pearson424.org/mailman/listinfo/maillist_pearson424.org
Post generated from Pearson424 Forum using Mail2Forum
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How do you “burb” (burp) it? (I can’t put it over my shoulder and pat
its back). No, seriously, what is the procedure for burping the air out?On 4/27/2010 7:33 AM, Alan wrote:
Quote:With all the work you have done and the hoses that have been off, I’ll vote for the air bubble in the system, vapor lock theroy…. it’s happened to me.
I have a surge tank that is mounted high and above the system that is located in the port sail locker. When i redid my hoses, I did have a bubble still in there… need to burb it.
a— On Tue, 4/27/10, adam silverstein<> wrote:
<.. snip>
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On my W58, the coolant tank that is ON the engine (as opposed to the surge tank in the cockpit) as a bleeder valve. After I have done anything to the coolant system, I always open that up and remove any trapped air. Also, as john has suggusted, to check the coolant lines going to the H2O heater.
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Have you checked your raw water filter. Mine was clogged causing limited flow. Replaced it and viola, a cool running engine.
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