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A/C orifice tube

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Old Aug 10, 2018 | 10:59 PM
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Default A/C orifice tube




Starting compressor replacement, I pulled out orifice tube just to see what it looked like.

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Old Aug 10, 2018 | 11:07 PM
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It would leak out over a couple of days so I tried this, thinking "it doesn't work anyways!" this spring. It did fix the leak, but made poor cooling and high suction pressures, normal head pressure.

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Old Aug 11, 2018 | 12:48 PM
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Was looking at pictures of plugged orifice tubes online and saw another like this, maybe this isn't the stop leak but aluminum particles built up from the compressor failing?

Will order a new condenser coil, have new compressor, accumulator, orifice tube, gaskets/o rings, oil that came in a kit from autozone.

Will flush the evaporator and hoses/lines.

Holding off until new condenser arrives and have flush gun and solvent.



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Old Aug 11, 2018 | 12:56 PM
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Originally Posted by 1999corvettels1
Was looking at pictures of plugged orifice tubes online and saw another like this, maybe this isn't the stop leak but aluminum particles built up from the compressor failing?

Will order a new condenser coil, have new compressor, accumulator, orifice tube, gaskets/o rings, oil that came in a kit from autozone.

Will flush the evaporator and hoses/lines.

Holding off until new condenser arrives and have flush gun and solvent.
I did a complete A/C system replacement on my old Silverado many ears ago that was known to have a bad compressor. The orifice tube looked the same, totally clogged with aluminum shrapnel from the compressor. Make sure you COMPLETELY flush the system.

Last edited by SG Lou; Aug 11, 2018 at 12:56 PM.
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