[C38] Heating problems (alden Andre)

[littlebreeze at comcast.net]

I've always had an issue with the engine running hot. I brought the boat up the coast from San Diego to San Francisco on the engine and it ran at about 200-210 all the way. Each night we checked the oil and water. Oil was always okay while the coolant was always low. We had to stay over a week at Morrow Bay so I took the opportunity to buy a new heat exchanger. I then ran the boat north from Morrow Bay with it still running hot. That was 2003. All the trips we have made since then have been mostly sailing and the little motoring we have done have been non eventful. Then this year I took the boat to the bay from the delta (about 50 miles) for service. To make it less expensive I removed the water heater from the boat and ran the hose back to the engine. Then engine ran at 180 the entire trip. I did notice the odor of hot antifreeze when we arrived at the marina. Upon closer examination I noticed there was a leak on the starboard side of the engine from an expansion plug. I guess I have something to do when I get the boat home along with the packing gland at the rudder post. 

Kerry Grimes 
Little Breeze, 139 
San Francisco 


Original Message ----- 
From: "alden Andre" <alden at clifforddevelopmentgroup.com> 
To: listserve at catalina38.org 
Sent: Friday, August 21, 2009 10:30:35 AM GMT -08:00 US/Canada Pacific 
Subject: Re: [C38] Heating problems (alden Andre) 

It does not matter if you have a surge tank(most cars do). You can rule 
out the head gasket by checking your oil . most times the water will get 
in the oil when there is a head gasket leak. I would start with your 
belt driven pump. Take the belt off see if the shaft is loose and turn 
it and see if it is grinding. The most common problem with them is 
having a belt to tight that wears out the bearings. There is another 
burbing procedure that is different than what has been said(on this 
listserve) in the C-30 manual with water heaters installed. I will get 
it today when I am at my two boats and post it for you. If you email me 
I can send it directly to you. 


Alden Andre 
Cell: 503-929-8814 
Office: 503-618-1951 
Fax: 503-907-5507 
Alden at clifforddevelopmentgroup.com 




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Today's Topics: 

1. Re: water heater plumbing (david at dlrfilms.com) 


---------------------------------------------------------------------- 

Message: 1 
Date: Fri, 21 Aug 2009 06:45:26 -0700 
From: david at dlrfilms.com 
Subject: Re: [C38] water heater plumbing 
To: "Catalina 38 Listserve" <listserve at catalina38.org> 
Message-ID: 
<b5f32c4af2e879c7ada148ae7a6cf5aa.squirrel at webmail.dlrfilms.com> 
Content-Type: text/plain;charset=iso-8859-1 


> If you have raw water flowing out of the boat and your coolant is 
> flowing the most probable cause is a bad coolant pump(belt driven) or 
a 
> leak in the head gasket. 
> 

Our boat has the surge tank add-on. 

The head gasket idea is troubling, because if I had to describe what's 
happening, I'd say that it seems like air is getting sucked into the 
system. 

None the less, I'll go through the fill burp procedure later today, and 
if 
that doesn't fix it, I'll tear apart the coolant pump and see if that 
turns anything up. 

Thanks! 




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