Engine Size: 3.4l
Refrigerant Type: 134a
i am new. i know very little about automotive ac. i am tech savvy. to the point my car will cool at highway speeds. it does not cool at idle speeds. it will cool at idle speed during the nite hours. if i rev the engine at idle it will at times begin to cool and gets better when the car is at highway speed. i brought one of the recharge kits with the hose and gauge....yes i have been told those gauges are crap. but as soon as i attach the hose to the charge port it goes straigh to the red section of the gauge. i,m confused why the car still cools but wont cool at idle. since it does cool i am reluctant to add refrigerant and just want some pointers so i dont get taken for a ride when i take it in for repairs.
Did you put refrigerant in the system with that kit?
Does your condenser fan run when the AC is on? It should.
If performance is good on the highway when it's hot outside then you may not be low on refrigerant. Sounds like either poor air flow over the condenser at idle or the compressor isn't working well. You need a proper gauge set to determine high and low side pressures to see if it's the compressor.
when i attached the refill kit the gauge went to red so i did not add anything to it. i have not checked the condenser fan but i will do that next. thanks for the information. i will try and find a good gauge set and take some readings.
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