I have a 2010 Saab 9-3 and only the driver side vent blows cold air when A/C is
on. The middle and passenger vents are blowing warm air. Does anyone have
knowledge of what would cause only one side of car to blow cold air?
Charge air conditioning. I just did mine a few weeks back. Really easy to do.. buy Ac coolant (large can with gauge on it). Make sure care is running and air is on high). Put nozzle on coolant hose under hood. It’s a silver in hose that has a black cap on it. Left of motor towards front of car. Put tip of coolant hose on and press until gauge says it’s full.
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