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Old 05-31-2012, 10:18 PM   #1
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ac condenser pressure test, linr cut, braze caps?


Is it possible to pressure test a condenser without brazing on caps to cut suction and liquid lines?

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Slash


Last edited by slash5bmw; 05-31-2012 at 10:47 PM.
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Old 05-31-2012, 10:22 PM   #2
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ac condenser pressure test, linr cut, braze caps?


not in my opinion.... can not trust valves.......

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Old 05-31-2012, 10:52 PM   #3
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ac condenser pressure test, linr cut, braze caps?


So do most valves leak?

If I brazed caps on the lines, I could open the valves and the pressure should still hold.
Unless, you're saying they leak where the allen wrench goes under the service caps.
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Old 05-31-2012, 11:03 PM   #4
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ac condenser pressure test, linr cut, braze caps?


That's what he's saying. There are seals in there, under the head you loosen and tighten, that can leak. Usually they will not leak due to simply being opened and closed. They'll leak because whomever is brazing right there puts too much heat for far more than the neccessary length of time and melt the seals.

No other way to pressure test a condenser. Also, remove the shraeder valve cores before brazing as well.

I'm assuming this condenser has no refrigerant in it so removal of the cores will not deem the service valves need be closed. The valve cores will have to be back in before the pressure test as the service valves will need to be open.
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