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I don't know what you mean. My 245 A/C is so cold that it gives me ice cream headaches if I leave it on 100% duty cycle. And that's in TX in 100 deg heat.
There must be something not right with your system.
First, replace the dryer and expansion valve. Old ones will 'work', but won't be as good as new. A good service shop can tell you what the pressure difference between the high and low pressure side of the valve is, and if it just meets spec, the expansion valve will help a lot. Also, be sure to have the system purged and flushed then leak tested. Some shops won't do this unless you ask, and huge improvements will be noticed. A good purge/flush will take 4 hrs or longer, so if they say they can do it in a hour, go somewhere else that will do it right. After that, add synthetic pump oil and the new dryer.
I get this service done once a year for $130, otherewise I will loose more money on lost R12, since the old systems have a tendancy to leak out if not serviced frequently. Just sitting for 2-3 mos without use during the winter can loose the full coolong capacity.
I have the original compressor in my 245 at 240 k mi and with service it will last many more years and miles.
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'89 245 Sportwagon, VX cam,K&N, Bil's, IPD susp & exhaust
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