My last two attempts to charge my a/c have not had long term cooling sucess. This is unusual as I am accustomed to charging it once a year and it lasting. I read that I should add R134A on my next attempt and then add coolant immediately after. Does this help? And how much should I add? Just a small can? Thank you!
Not sure I understand. R134a is the refrigerant. So what else are you adding? The best solution is to find the leak and repair it. Leaks will continually become worse. Your system may not hold anything anymore. However having to much refrigerant will overcharge the system and not allow it to cool. All systems hold different amounts, there should be a sticker under the hood that tells you how many pounds the system holds.
SOURCE: need amount of r134a capasity in 2002 toyota
differnt for every model. look at the tag on the top of the radiator support or on the firewall. its federal mandate the system type and capacity be listed is engine compartment
SOURCE: 2000 toyota camry check engine light is on code P0128
if you are refuring to the yellow check engine light. thats an emmision control light, it's not related to
oil or water capacity. it has only to do with emmision control devices. if the light is on steady. bring it to your mechanic and have him or her pull codes from your on board computer as soon as possible. if the light is flashing bring it to them now. stop driving the car or damage will be done to your cars converter.
good luck chris
SOURCE: Chk.Eng. Light came on after adding coolant.
Only in that you probably knocked off a wire or vacuum hose while working under the hood.
SOURCE: What is the R134A capacity
It should be on a sticker under the hood
I will guess,maybe 24 oz ,less than 2 lbs
The most I have every seen since 1967
doing it, was 36 oz (2.25 lbs) back in the
1980's,since 1993 & the use of R134, the
systems have gotten smaller
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