SOURCE: adding freon to the auto air conditioner, the
On that model,it will cycle on and off while you add freon.If it does not ,then the ac system might have a problem.The low side pressure switch is located on,or near the accumulator .Unplug the switch and take the wire end plug and connect the two plug in`s together(cross it out on the wire).This will make the ac compressor engage and you can charge the system,do not leave the wire connected,plug it back up to switch.If the ac compressor does not come on ,then have the system checked out.
shouldn't be more than $125.00 If you need freon,you have a leak.They do not ever need charged unless the system leaks.Good Luck!!
SOURCE: Air conditioner needs charged
You can find that info right on the sticker on the compressor. If it takes 134, it will have quick release fittings on charge port (even if conversion has been done) R12 systems have screw on ports.
SOURCE: Air conditioner does not blow cold air
all cars of that year use r-134 refrigerant. Follow the ac lines till you run across the service port. The one near the evaporator (front of engine) is the high side; leave that one alone. It usually is marked with a red cap
the low side port is near the firewall, and usualy has a blue cap. The valve for a refill can usuallly will only fit on a low side. When filling the can will get very cold very fast. If the can doesnt start to get cold immediately, remove it you have it on the wrong side. Make sure to remove it immediately, as keeping it on the high side will pump liquid freon into the can causing it to explode.
SOURCE: air conditioner compressor won't come on to
unplug the clutch cycling switch its on the accumulator jumper the the wire plug ccs also works as low pressure switch and will cut off a/c comp when system is low on freon you may also need to disconnect negative cable from battery for appx 10 minutes leave jumper until system charged then remove it plug connector into ccs (clutch cycling switch ) on accumulator if properly charged system should cycle on and off
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