Hello forum. I'm having an issue with my AC and hoping someone can help. Turned on my AC this morning, and there is no air coming out of my vents. I've been reading up on it and found one thing to trouble shoot is low free-on will cause the pressure switch to not let the compressor turn on. I have a couple of questions:
1. Where is the pressure switch located so I can run a jumper wire to see if the compressor kicks in if in deed it is low free-on?
2. If it is low free on will the air still not come out of my vents if I turn the heater on?
I've checked the fuses behind the cup holder on top of the dash and also my green AC light does turn on bit no air.
Thank You All in advance for your help, and safe travels.
2008 780 D13 AC issue
Discussion in 'Volvo Forum' started by MavTruck, Jun 19, 2014.
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I believe the blower is gone if you don't get any air through vents; the low freon pressure switch stops the compressor not the blower;
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If you hear the blower motors working and no air coming from vents then you likely have the dial set to fresh air and the filter is blocked. Set it to recirculate and that will bypass the clogged filter and air should flow.
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Thank you both for the reply. Ended up being the blower. $173 with tax at the dealership. I've never replaced one before and took me about 2 hours.
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