Unfortunately, if the air conditioning system is factory original and has not been converted to use the new R-134a refrigerant, you cannot refill the system yourself. R-12 refrigerant is the old stuff, it must be charged by a professional and will be very expensive. They quit making it almost 15 years ago. Depending on your location is could cost upwards of $300 to get it recharged, and if the system is low then you probably have a leak somewhere so that might be $300 out the proverbial window. If you plan on keeping the van, I would suggest that you convert the system to R-134a. A local air conditioning shop can do this for you. I will cost more than just a refill of R-12, but in the long run, it will be much cheaper as the refrigerant is MUCH less expensive should a leak develop.
you dont freon does not go into cars you can buy a recharge kit from any parts store
you
Connect the freon can and a gauge to the low side AC port. With the AC on high and the engine running, open the freon valve. When the gauge reads full turn the freon off and unhook the gauge.
Yes.
R-134A
diagram for a 92 Chevy van g20 Heater core
I don't know, but do it quick!
I dont know about a 1988 but my 1989 has silver rims under the hubcaps.
134 freon
R134a
yup
Yes.
Its located on the accumulator...................
5,500 pounds
The capacity of the 1999 Chevy Express is 15 passengers.
5x5
185, to 200.
1.6.5.4.3.2
On my 1988 Van, it is located on the upper right after you open the rear door. I hope it is on the same location as yours.
the low line allways goes from pump to inside dash high side from dash