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06-22-2012, 10:30 PM | #1 | |
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Pressure test heater core
I intend to pressure test my heater core in place to confirm a leak before tearing in to my dash. I have read that we should not test the core at the full pressure cap rating because the core may get damaged. I have read 5-8 pounds max. Any guidance is appreciated.
Thanks, George
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2002 Blazer, 4 dr, 2wd, 199K miles 2003 Rav4, 4 cyl, 239K miles 2012 Mailibu, 4 cyl, LTZ, 85K miles |
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06-24-2012, 10:43 AM | #2 | ||
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Re: Pressure test heater core
Quote:
Let some of it go in one ear and out the other Test it at full pressure cap pressure. Around 17-18 lbs is safe to test. The heater core is always under full rad pressure or what ever pressure the cooling system is running at.
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Remember proper testing gives us the answer to many problems. MT |
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06-24-2012, 11:20 AM | #3 | |
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Re: Pressure test heater core
Do you suggest a pressure system test pump set up or air compressor as the source for pressure? Got any suggestions on a rig to get me from compressor or pressure tester to the heater core pipes?
Thanks, George
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2002 Blazer, 4 dr, 2wd, 199K miles 2003 Rav4, 4 cyl, 239K miles 2012 Mailibu, 4 cyl, LTZ, 85K miles |
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06-24-2012, 04:01 PM | #4 | ||
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Re: Pressure test heater core
Quote:
But if you have a air compresser and a air pressure regulator with pressure gauge you can T the pressure regulator into the heater hose or small water hose.
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Remember proper testing gives us the answer to many problems. MT |
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