Quote:
Originally Posted by norcalpb
Well, after 10 years the air conditioning stopped blowing cold. I was excited to refill it with Freon but come to discover that the system is already full @ 40psi.
The center passenger vent will blow cold after 30 min but obviously this is unacceptable.
Do I simply need to drain/refill the Freon, or am I looking at a new compressor??
TIA,
Steve
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!!! STOP IMMEDIATELY !!!
Are YOU trying to fill it with refrigerant? like those over-the-counter bottles from the auto parts store?
!!! STOP IMMEDIATELY !!!
Most of those products have additives/leak stoppers that will contaminate a system and may even clog a modern condenser, some may contain r134a "substitutes" that are not legal for use in on-road A/C equipment. Any not-half-assed AC shop you bring it to once that shit is in will need to evacuate, sequester and destroy contaminated refrigerant with dedicated equiment, flush the system with solvents and replace the condenser if it got clogged by the leak sealers. After all that, only then will they be able to *start* working on your AC issue.
Your car is old and it's still holding pressure, we all know it doesn't have a leak, any respectable AC shop you bring it to will know it doesn't have a leak, they'll recover/vacuum/recharge it no problem, have a glance at it with a UV lamp while the machine is working and you'll get good AC again with no hassle and a comparatively small fee versus fucking around with it yourself and then dealing with having fucked it up.
DO NOT DIY A/C
FYI 40 PSI is almost dead empty. Again, do not DIY A/C, if you didn't know that, you didn't know enough.