My central ac has low side of 60 and a high side of 300 what is wrong?
where you live? what was the temp outside when you checked the pressure? what was the temp in your space your trying to cool? question is too vague
you are best not to try and recharge it your self, it runs at very high pressure and if you do the wrong thing it could harm or even kill you. some units run on r410 refrigerant and it needs special tools and training to work with this new gas. low side pressure is at 300 to 400 kpa,high side is at 1200kpa to 1500 kpa dependent on day temp.
If the side of a square doubles, its area increases by a factor of 4 - an increase of 300%. If the side of a square doubles, its area increases by a factor of 4 - an increase of 300%. If the side of a square doubles, its area increases by a factor of 4 - an increase of 300%. If the side of a square doubles, its area increases by a factor of 4…
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about $300 for each wheel is a good estimated price. $300 is an extremely high estimate and probably get both rear axel bearings done for that amount. Front wheel bearings are much simpler to change and probably can get them done for $100 to $125 for each side. Shop around because if your going to pay $300 a wheel, your paying too much.
Locate the "low" pressure side and fill the freon while the car is in idle with the AC on high. Make sure you have the AC light on and try filling to 40psi, wait 24hrs then fill if you think more is needed. Remember if the clutch stops working then you have put too much. try discharginh from the high side slowly. GOOD LUCK