[C38] Overheat False Alarm

[Richard West]

Mine used to get air in the hoses to of from the water heater.  For some
reason I don't really understand, this stopped the coolant from circulating
in the engine.  It happened any time I had to disconnect those heater hoses
for any reason.  The only solution I found was detaching one of the heater
hoses and use a turkey baster to force coolant through the heater circuit.

RIch, Legacy, #360



On Sun, Jun 5, 2011 at 7:45 AM, Larry Malmberg <Larrypi at roadrunner.com>wrote:

> I believe there is a small plug near the water pump that you can remove,
> add
> coolant until it comes out, replace the plug, run the engine for a couple
> of
> moments, remove the plug again and air will come out, keep doing until you
> have no more air.  This is just from memory.
>
>
>
>
>
>
> Best regards,
>
> Larry Malmberg
>
> 7231 Boulder Avenue Suite 507
> Highland, CA 92346 PI 15211
> Telephone  909-208-1847
> FAX           909-991-7568
>
> E Mail  Larrypi at roadrunner.com
>
>
>
>
> Life is short, Break the rules, Forgive quickly, Kiss slowly, Love truly,
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> "The American Indians found out what happens when  you don't control
> immigration"
>
>
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> in
> a pretty and well preserved body, but rather to skid in broadside,
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> -----Original Message-----
> From: listserve-bounces at catalina38.org
> [mailto:listserve-bounces at catalina38.org] On Behalf Of david at dlrfilms.com
> Sent: Sunday, June 05, 2011 7:17 AM
> To: listserve at catalina38.org
> Subject: [C38] Overheat False Alarm
>
> My engine is back to doing that thing where the temp gauge climbs, the
> alarm
> goes off, but the engine itself is not even too hot to touch, and I can
> stick my finger in the coolant without getting scalded.
>
> This problem plagued our 2008 and 2009 Summer sailing, but wasn't too big a
> concern because we never ran the engine for more than about 5-10 minutes.
>
> Thought I had it licked before our passage to the Caribbean in Nov 2009,
> and
> indeed, ran the motor for hours on end with no such problem.
>
> But now it's back, and with the wind out of the SE, that means getting back
> into the harbor is a long enough run to get the overheat false alarm.
>
> IIRC, cracking the thermostat housing open would (usually) solve the
> problem.
>
> The other thing I notice is that coolent is not following through the
> overflow tube to the reserve tank. It's not blocked; it seems like there's
> a
> air bubble that's keeping the coolant from flowing.
>
> I remember something about running the engine, and then adding more coolant
> after it burps or some such. I have my manual and will re-read.
>
> Meanwhile, any helpful hints are much appreciated.
>
>
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