Audi Q5 B8.5 A/C Pressure Switch Replacement 

I replaced the same part on my 2012 A7 because it would blow cool for a few minutes, then off. This was the problem, 100% fixed - blowing cold for 3 months now.

Wow your awesome bro saved me hundreds and hundreds dollars

I wish the Q7 had the switch located in such an easy to reach spot.

Wow thanks! I’d feel crazy paying someone to change that now

Thanks!!!

What is the difference between low- and high pressure switch? I got 3-pin connectors on both mines. One on the thinner line and one on the thicker line. How can i diagnose them? My guess is that i have a intermitent problem with the high pressure switch since the compressor clutch doesnt engage and the condenser/engine fan starts up and stops after 5 seconds.. and doing that over and over again. The fan works great otherwise in hot weather.

Do you have the parts number for the o-ring?

hi, will this part work for a 2009 audi q5?

I have to try this my Machanic changed the blower because my ac vent were blowing weak. Still same is after the change. Then he recommended changing the evaporator 🤨

Could this also be for high pressure

Hey I tried this and when I went to unscrew the sensor Freon started coming out so I quickly closed it why did this happen?

What O ring do I need for it?

Does it blow hot before you fix it ?

I’m assuming you emptied to gas before replacement?

there was gas when you removed it when i did that? was it the same for you too? :)

what are the symptoms?

I replaced mine and it still dosent work, any suggestions

I changed to new switch, but the A/C light stopped working, do I need to refill my refrigerant?

Did you have a check engine light on for this at all? I'm having the same issue on a 2011 S5 but no check engine light at all.

Ive just had a quote from Audi Sheffield in the UK to replace it on my A8 3.0tdi the price was £550.00p i orderd a audi a/c sensor from a parts supplier for £40.80p and 1 hour of.my time as its under the engine .

I think where they put that sensor, it’s get too hot for the sensor. So it screw it up

$1,600 dealer was charged me to replace this, no thank you, I’ll just need the part $146.

How come the gas hasn't leaked out when taking sensor off

I’ve got quoted $400 to fix this part… cost me $85 in diagnostic however because I wasn’t getting that engine code.