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How do you check for or repair a minor AC freon leak on a 1988 Toyota Pickup?

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βˆ™ 2006-07-31 23:35:59

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You can purchase a HFC detection tool from MAC OR SNAP ON and what you do is wave the wand around the fittings where there is a connection with o rings and it will sound off and get louder if it detects the hfc out of freon leaking out from connections or if you have a really bad leak take a hospitial stethascope they use to check your heart with pull out round end end insert a small metal tube in it and go around all the fittings. you should be able to hear a leak then, but when it gets that bad you should be able to see it also you can spray a mixture of soapy dishwashing liquid with water around joints and see leaks or just go to auto parts store and buy all new o rings to match each fitting and replace them all but that requires removal and teardown of AC SYSTEM you do not want to let freon out into the air its illeagle and dangerous so just take it to a proffessional

2006-07-31 23:35:59
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