Where is the A/C expansion valve located?

2009 PONTIAC VIBE
100,000 MILES • 1.8L • 4 CYL • 2WD • AUTOMATIC
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STONESOULS
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  • 1 POST
AC expansion valve location needed.
Jun 12, 2023 at 9:15 AM
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STRAILER
  • ✓ASE Certified Mechanic
  • 54,832 POSTS
  • ASE Certified Mechanic
Sure, the A/C expansion valve is at the firewall where the A/C high and low side refrigerant tube connect to the evaporator. Here are the instructions on how to change it out and I have included a video to help you discharge and recharge the system.

https://youtu.be/4EqdrBVb0sY

Check out the images (below). Please let us know what you find.

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Jun 12, 2023 at 9:54 AM
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