Model: Civic DX
Engine Size: 1.6 l
Refrigerant Type: 142a
Ambient Temp: 10
Country of Origin: Canada
There is a leak of refrigerant from the Low side of the core valve. I decide to change this core valve but I found nothing regarding the part number. So my question is: are the size of the core valve for automotive same and standard ?
FYI, my car is a Honda civic 1999 DX sedan automatic.
A good cap will seal that leak-- all valve cores leak- that is how I was taught to check my leak detector- so put the cap back on and leak test with cap on and all is good, as long as the rubber element inside the cap is good. The valve core is there to allow you to unhook gage set and get cap on with minimal loss of refrigerant.
The number one A/C diagnostic tool there is- is to know how much refrigerant is in the system- this can only be done by recovering and weighing the refrigerant!!
Just a thought.... 65% of A/C failures in my 3200 car diagnostic database (GM vehicles) are due to loss of refrigerant due to a leak......
Second repair of the season was to replace a low side cap. Complaint was it stopped working over the winter. I opened the hood, saw the missing low side cap and a bunch of green dye around it. Quick check of what else I could see for leaks, recover the rest or the refrigerant, recharge, clean off dye, replace cap, close hood.
But to answer your question, no, not all AC valve cores are the same Some are not even close to the same as others. I think my kit has 5 different valve cores in it.
I bought a can of 134a at w**-mart that had a stop leak, oil, and dye in it. It also had a hose and a gauge, so now I'm an AC pro!
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