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PV, 120 (Amazon), 1800 General Forum for the Volvo PV, 120 and 1800 cars |
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Heater core testViews : 383 Replies : 1Users Viewing This Thread : |
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Sep 25th, 2019, 00:26 | #1 |
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Heater core test
Hello friends,
As I am putting my car back together, I wanted to test the heater core for eventual leaks. I found in Internet a suggestion to use a bicycle inner tube, cut it and use it to pressure the core, the manual says between 14 and 17 psi. I did just that, and it works really well and thought of sharing the pictures of the "tool" I did not pressurize to more than 6 or 7 psi. The core did not have any leaks once submerged in water, and I let it pressurized all night and no pressure was lost. Hope it helps! |
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Sep 25th, 2019, 03:55 | #2 |
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ad...;
6 or 7 PSI does not check for non-leaks at the normal operating pressure...I would repeat your test and pressurize the core to 25% over the normal system operating pressure, which is determined by the Pressure Cap (verify in manual), located on Radiator (simple System) or Expansion Bottle (Sealed System). See also: https://www.sw-em.com/Cooling_System...r_pressure_cap Cheers |
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