A/C not working?

Tiny
WANDAANDBUDDY
  • MEMBER
  • 2006 NISSAN ALTIMA
  • 2.5L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
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?
Tuesday, July 22nd, 2025 AT 8:47 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,137 POSTS
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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Wednesday, July 23rd, 2025 AT 12:22 PM

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