A/C not working?

2006 NISSAN ALTIMA
200,000 MILES • 2.5L • 4 CYL • 2WD • AUTOMATIC
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WANDAANDBUDDY
My A/C quit working. I need to know the location of the orifice tube. Can you please send me a pic of the location?
Jul 22, 2025 at 8:47 PM
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STRAILER
  • ✓ASE Certified Mechanic
  • 54,502 POSTS
  • ASE Certified Mechanic
There is no orifice tube in this system, there is an expansion block at the firewall where the A/C line runs into. Does the system have the correct amount of refrigerant? This video and guide can help us see what is going on:

https://www.youtube.com/watch?v=4UjfQKvrB6Y

and

https://www.2carpros.com/articles/car-air-conditioner-not-working-or-is-weak

Here is what the expansion block looks like. Check out the images (below). Please let us know what happens.
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Jul 23, 2025 at 12:22 PM
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