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posted to rec.boats
Bryan
 
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Default Cooling hose breakage

I'm stumped and was hoping to get some ideas. I have a 1998 Glastron
175 with a Volvo Penta Cobra SX 135 hp engine. I've blown the same
hose three times. This is the hose that connects from the thermostat
housing to the circulating pump. They've all split in the same
location...the top half of the hose exiting the thermostat. If you
look on the inside of the hose, you can see a water line about half way
up the diameter of the hose. So obviously the system is not staying
filled with water. I did a raw water test and I'm getting good flow
coming in. I just had the head decked and resealed so I should not be
getting a pressure leak from the cylinders. Something is putting a lot
of pressure (and / or heat) on the hose. I would greatly appreciate
ideas.

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JR North
 
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Default Cooling hose breakage

Buy a different brand hose and report back.
JR

Bryan wrote:

I'm stumped and was hoping to get some ideas. I have a 1998 Glastron
175 with a Volvo Penta Cobra SX 135 hp engine. I've blown the same
hose three times. This is the hose that connects from the thermostat
housing to the circulating pump. They've all split in the same
location...the top half of the hose exiting the thermostat. If you
look on the inside of the hose, you can see a water line about half way
up the diameter of the hose. So obviously the system is not staying
filled with water. I did a raw water test and I'm getting good flow
coming in. I just had the head decked and resealed so I should not be
getting a pressure leak from the cylinders. Something is putting a lot
of pressure (and / or heat) on the hose. I would greatly appreciate
ideas.



--
--------------------------------------------------------------
Home Page: http://www.seanet.com/~jasonrnorth
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Bryan
 
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Default Cooling hose breakage

I rutpured the original, then a used one from the marine off a merc
with the same block, then an oem. It's hard to imagine I've had 3 bad
hoses.
Bryan

JR North wrote:
Buy a different brand hose and report back.
JR

Bryan wrote:

I'm stumped and was hoping to get some ideas. I have a 1998 Glastron
175 with a Volvo Penta Cobra SX 135 hp engine. I've blown the same
hose three times. This is the hose that connects from the thermostat
housing to the circulating pump. They've all split in the same
location...the top half of the hose exiting the thermostat. If you
look on the inside of the hose, you can see a water line about half way
up the diameter of the hose. So obviously the system is not staying
filled with water. I did a raw water test and I'm getting good flow
coming in. I just had the head decked and resealed so I should not be
getting a pressure leak from the cylinders. Something is putting a lot
of pressure (and / or heat) on the hose. I would greatly appreciate
ideas.



--
--------------------------------------------------------------
Home Page: http://www.seanet.com/~jasonrnorth


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posted to rec.boats
Wayne.B
 
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Default Cooling hose breakage

On 15 Jun 2006 05:17:49 -0700, "Bryan"
wrote:

It's hard to imagine I've had 3 bad
hoses.


I agree.

Any history of overheating? Sticking thermostat?
Defective pressure cap? Excessive vibration?

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RCE
 
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Default Cooling hose breakage


"Wayne.B" wrote in message
...
On 15 Jun 2006 05:17:49 -0700, "Bryan"
wrote:

It's hard to imagine I've had 3 bad
hoses.


I agree.

Any history of overheating? Sticking thermostat?
Defective pressure cap? Excessive vibration?


Bad relationship with a dock neighbor?

RCE

www.eisboch.com




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