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This car originally contained R12, if you can find it you can use it. The other option if this has not already happened is you can convert the system from R12 to R134a, which is readily available, all auto part stores carry these kits. R12 AC fitting are threaded and R134a systems have slip on quick connect fittings.
If your ac system was r12 and you converted the system to r134a, without pulling the freon or flushing
the ac system, r12 and r134a freon gases will not mix they will gell and clog up your system. good luck!
well in that year they used r12 refrigerant ! today they use r134a refrigerant they are not interchangable if you have already converted to r134a they you can call toyota and ask for specific amount although you really dont need to know all you need is a can of r134a with a gauge on it if it 75-80 degrees outside the pressure should be between 40-45 pounds if its 85-90 degrees between 45-50 pounds on the low side were you add it so basiclly keep adding till those pressures are reached
please do not add r134a if you have not had system converted over from r12
there are two hoses coming out of the firewall side by side .. one is large and one is small ... they both have valve ports but only the large tube (low pressure side) is to be used for adding refrigerant .. if your connector from the R134a can does not fit ..then you probably have the older R12 system .. that has been outlawed now because of ozone layer destruction caused by it ..you cant get that anymore .. you can however convert your system to R134a but it involves washing out the entire system and replacing all rubber parts ..then attaching adapters so the R134a will connect (availible auto parts) .. by law any remaining R12 in your system has to be recovered, not vented to air .. (actually the r12 is worth a fortune right now but it may not be legal to sell ..its about a 25 times increase) ... the modification process requires a "certified" tech to do the work and the results wont be quite as good as the old r12 ... at least it will work if the system is cleaned out enough .. the two refrigerants dont like each other .. that is, the lubes that are used do nasty things when mixed .. if you wanted to you could become "certified" by attending some classes and passing a test on ozone layer depletion ... now they have discovered that r134a is a powerfull green house gas .. so that also will be phased out in the future .. its like 1600 times worse than CO2 ... r12 was a wonderful chemical .. very hard to beat its performance and stability .. .
In '92 most cars were still using r-12 freon, but some were using the newer r-134 freon. If its r-12 you need to have a repair shop recharge it. And they will probably try to sell you on converting the system to take r-134, which wont be cheap. If its r-134 you can buy a can with the regulator hose at any auto parts store for under $30 and as long as you know where the low pressure port is you can recharge it yourself. Just follow the instrucions on the can. Good luck, I hope this helps you.
used to be a big deal. today, you can buy kit from autozone or other auto store and do it yourself. Need to discharge R12 into reclaimer so it does not go into air and pollute air.
Then, install R134a fittings on lines, add r134a feon in proper amount with new oil. leave old oil in system. you can buy cans with oil already in the can with the freon. probably need about 6 ounces of oil.
lot's of websites tell how to do this. vidoes on line too.
Depends on if it takes R134 A or R12 refridgent. R134A most likley looking around $150 depending on amount of freon the system holds. if its R12 open your piggy bank cause its going to cost you some coin as R12 is no longer in production you have to convert your system to R134A or find a gararge that still has some R12