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2003 limited standard - Needs Help Back Flushing Heater Core

 
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Old 09 Jan 2014, 08:40 pm
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Default 2003 limited standard - Needs Help Back Flushing Heater Core

Ok...moving onto the next project. I believe my next move is to back flush the heater core.

Any suggestion on how to back flush the heater core?
Any advice, warnings or suggestions would be appreciated.

Thanks in advance.

Mims
your most needy pt cruiser owner
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Old 09 Jan 2014, 08:59 pm
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Location: south of Tampa, Florida
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Default Re: 2003 limited standard - Needs Help Back Flushing Heater Core

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Originally Posted by howardmims View Post
Ok...moving onto the next project. I believe my next move is to back flush the heater core.

Any suggestion on how to back flush the heater core?
Any advice, warnings or suggestions would be appreciated.

Thanks in advance.

Mims
your most needy pt cruiser owner

Yes. Start your PT and let it run until it reaches normal operating temperature. Now reach back towards the firewall and check the temperature of the "IN" and then the "OUT" hose for the heater core. If they are the same temperature (hot), you don't need to flush the core.

Move on to the next project.

Jerry
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Old 09 Jan 2014, 10:25 pm
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Location: Pensacola Florida
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Default Re: 2003 limited standard - Needs Help Back Flushing Heater Core

if you do flush your heater core be careful not to use too much pressure. the cooling system operates between 16 and 19 pounds of pressure. your garden hose may exceed 60 psi.
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Old 10 Jan 2014, 01:32 am
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Default Re: 2003 limited standard - Needs Help Back Flushing Heater Core

i have no heat and it looks like everything is working properly... so believe its the heater core.

I have never back flushed a heater core before ...so thanks for the advice.
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