Where is the high pressure AC switch located?
The high-side switch is located on the smaller of the two air conditioning lines close to the radiator on the passenger side of the vehicle. The low-side switch will be located on the largest diameter air conditioning line or on the side of the accumulator (round container) on the passenger side firewall.
Should a high pressure switch be open or closed?
The pressure switch is a normally open switch that closes upon the manufacturer’s specifications for required negative pressure. If the inducer turns on and is working normally, the furnace pressure switch should activate. There’s no time lag on this either. The inducer motor creates this draft quickly.
What is the part number for the air conditioner sensor on a Volvo XC90?
The part number for the sensor is 869166. Volvo dealerships carry the part and it’s also available from FCP Euro. My suggestion is to take this, and just about all of your Volvo XC90 air conditioning problems, to an independent Volvo mechanic. This is my suggestion especially if you aren’t comfortable replacing the sensor yourself.
Where are the low and high AC pressure switches located?
The low-pressure side switch is found before the AC compressor, while the high-pressure switch comes after the compressor. Most AC pressure switches are found within the engine compartment, but some manufacturers put them elsewhere. A look in your service manual will show you the appropriate location for your model. AC Pressure Switch Function
Where can I get a new XC90 air conditioner?
Also, you may be able to find a replacement on a wrecked XC90. If you’re leery about getting a used one, you can always go new by purchasing from FCP Euro or a similar website as I mentioned above.
When does the XC90 air conditioner go bad?
XC90 air conditioning problems seem to always happen during the time when you need cool air the most: The middle of summer. Which is why I’m writing this post at the very beginning of summer – so that you’re prepared for that unbelievable inconvenience of not having air conditioning in a warm climate.