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Replacing A/C Expansion Valve |
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401MATCOUPE
AMC Addicted Joined: May/20/2010 Location: Salisbury, MD Status: Offline Points: 5367 |
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Steve,
They have these great electronic sniffers now that can find leaks down to 1/10 ounce per year.....they work great. This is a new version of what I have. http://www.mastercool.com/product/55200/ Ross
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Ross K. Peterson
68X,GoPac,343,AT,52A(1stCar) 68X,GoPac,390,4sp,52A 69X,GoPac,390,4sp,64A 70X,GoPac,390,4sp,87A,8 70X,GoPac,390,4sp,BBO,8 70 Jav SST,390,AT,BSO 74MatX,401,AT,Prototype 74MatX,401,AT |
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EdwardSharp
AMC Fan Joined: Aug/08/2017 Location: Tigard Status: Offline Points: 1 |
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For replacing A/C expansion valve or any other problems related air conditioners I would suggest to contact local air conditioning service essex county nj experts, who has relevant amount to experience and knowledge to solve your problem effectively. Get more info at :
https://essexheatingcooling.com |
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amcenthusiast
AMC Addicted Joined: Jul/02/2012 Location: SW Atlanta GA Status: Offline Points: 1778 |
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Last expansion valve I did was on a '65 Marlin by buying a big expensive open and closed end wrench to fit on the evaporator core side and customized it so I could put an extension on it for more leverage= I was able to get enough leverage to pop it loose/worked for me.
I'm pretty sure that when R134a is mixed with the old refrigerant the combination forms crystalized abrasives in the system; this may the cause of your compressor seal failures... (some refrigerant leaks past the compressor pistons and gets into crankcase oil) -the entire system needs to be flushed/rinsed out with mineral spirits, blown out with compressed air, including the compressor crankcase to get rid of any trace of the older refrigerant and oils when putting new 134a into an older system. |
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443 XRV8 Gremlin YouTube video: https://www.youtube.com/watch?reload=9&v=2DmFOKRuzUc
XRV8 Race Parts website: http://amcramblermarlin.1colony.com/ |
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White70JavelinSST
Supporter of TheAMCForum Joined: Aug/08/2012 Location: Minnesota Status: Offline Points: 4867 |
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Remember when using two wrenches in unison like that, one to hold the body and one to move the nut, the closer the two wrenches are to each other when trying to loosen the nut the better control and more power you will have. If the two are spread apart too far it puts your hands at a disadvantage.
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70 Javelin SST, second owner, purchased 1972
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