Quote Originally Posted by roberco View Post
My aveo 5 ac system shows 100psi in the low line and 100 psi in the high line when the engine is off. When I cranked up the engine and turned ac to max, the low line showed 65psi and the high line showed 150psi. The compressor clutch kicks on and runs but no cold air. The outside temperature is 90 F. The temperature in the vents while the ac is running is 85F. Any help would be appreciated.
Something is definitely not right; your low side is too high (it should be 45psi at minimum ) and your high side is waaaaay too low (it should be 250psi at minimum) does the compressor cycle on and off, or does it click on and stay on? is there anything blocking the condenser (leaves, road grime, foreign debris etc.)? How is the airflow from the vents? (Little airflow would indicate an iced up evaporator, or a dirty cabin filter) was there any work done to the refrigerant system recently? (It Maybe over or undercharged.)


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