What happens when expansion valve goes bad?
If the AC expansion valve fails or sticks open, it will cause the compressor to pump refrigerant through the vehicle’s AC system, even when it may be undesirable for it to do so. This will put an additional strain on the compressor and associated AC components, making them more susceptible to premature failure.
How long does it take to replace AC expansion valve?
This might take as much as 20 minutes if the system is full. If you can’t get access to the appropriate recovery machine by borrowing or renting, you can have a mechanic come to your house and evacuate the system for you.
Why is my air conditioner not working in my Toyota?
If you reach for the A/C in your Toyota car in the middle of summer and all you receive is a blast of hot air, your A/C system may be experiencing a number of issues. However, you can diagnose many problems on your own, such as insufficient pressure in the A/C system or a refrigerant leak.
How do you replace an AC expansion valve?
first step is disconnect the battery. then remove the black cover under the passenger side of the dash. it pulls down from the front and is held in by clips that snap out. it can then be pulled forward to be removed. then the trim under the glove box is removed. i believe there are 2 black screws and the rest is just snapped in place.
How do you turn on the air conditioner in a Toyota?
Unplug the electrical connection, unscrew it and remove it. Pry off the trim panels surrounding the climate controls and radio to gain access to the control panel. Press the two fitting tabs in toward one another to release the heater control assembly. Start the vehicle and turn the A/C control up to the coldest setting.
What should the pressure be on a Toyota air conditioner?
Attach the A/C pressure gauge test. Attach the blue-coded hose to the low-side port, and the red-coded hose to the high-side port. A normal reading is between 50 psi (pounds per square inch) and 80 psi.