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Old 08-09-2016, 05:26 PM   #1
Bus Crazy
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Join Date: Nov 2010
Location: Andrews,Indiana
Posts: 1,390
Year: 1991
Coachwork: Bluebird
Chassis: AARE
Engine: 3116 Cat 250hp
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R410A leak detector

Anyone have a suggestion for a Freon leak detector that doesn't cost an arm and leg? Needs to chech R410a, pretty small leak.
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Old 08-09-2016, 06:32 PM   #2
Bus Nut
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Join Date: Feb 2015
Location: North carolina
Posts: 484
Year: 1986
Coachwork: Thomas
Chassis: Ford
Engine: Detroit 8.2
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I the only ones I know cost a lot but I have used a more time consuming method to prove factories wrong many times.
Most of the time (in my world) the leak is around the compressor,sight glass, filter drier, because every body is scared of to much heat on install from the factory?
Cheapest option is a glove and a piece of tin foil and trace every piece of pipe and do a 360 of every joint with the tin foil.
Even shutdown without any refrigerant pumping there will be a wet spot somewhere if there is a leak.
If you can pump it up with compressed air then use a squirt bottle with dish soap to look for soap bubbles?
There is nothing cheap in the R world.
I have done some ammonia chillers that will find an imperfection even though you have jumped through all of the hoops to pass everyone's test with no problems?
Give it 7-months it's gonna find something?
If you have a leak then the cheap ones will get you to the area and the expensive ones will put you right there,
If you know how to use them
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Old 08-09-2016, 08:31 PM   #3
Bus Nut
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Location: hills of sw virginia
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Year: 1996
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Engine: 8.3 cummins
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Portable AC Halogen Refrigerant Gas Leakage Detector High Sensitivity Tester | eBay
living in a bus down by the river
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