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How to replace expansion valve

Tiny
XJSHEN
  • MEMBER
  • 2003 PONTIAC MONTANA
  • 3.4L
  • V6
  • RWD
  • AUTOMATIC
  • 72,500 MILES
I was wrong that there was no orifice on my car, only have expansion valve instead of it. Where the expansion valve located? It is said to remove left lower quarter trim panel first by service manual.
Is it located on the front or rear of the car?
Is It locate at front of dashboard that I have to remove dashboard? Thanks for your help and instruction. What is technical difficulties?
If it contained these compartment?
Thanks!
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Friday, August 4th, 2017 AT 4:26 PM

9 Replies

Tiny
XJSHEN
  • MEMBER
  • 218 POSTS
This is question may be matched with expensive answer. How much will be cost for the answer? Service fee is $250 for replacement of the expansion valve, and vacuum out.
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Saturday, August 5th, 2017 AT 8:21 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
Hello,

There is no expansion valve in these images?

Best, Ken
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Monday, August 7th, 2017 AT 11:22 AM
Tiny
XJSHEN
  • MEMBER
  • 218 POSTS
You are kiding!
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Monday, August 7th, 2017 AT 3:01 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
Can you use an arrow and show me what you think it is?
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Tuesday, August 8th, 2017 AT 1:19 PM
Tiny
XJSHEN
  • MEMBER
  • 218 POSTS
How can I see it when it was behind of engine compartment, and have to remove all dash board from inside of car. I removed dash board follow repair manual. I think you should know well about the fact, there was no expansion valve on my images.
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Saturday, August 12th, 2017 AT 7:33 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
Hey,

Sorry for the confusion. Here is the location and some diagrams to help you get the job done. It looks like it is right by the brake booster.

https://www.2carpros.com/articles/re-charge-an-air-conditioner-system

Please let us know if you need anything else to get the problem fixed.

Cheers, Ken

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Saturday, August 12th, 2017 AT 5:43 PM
Tiny
XJSHEN
  • MEMBER
  • 218 POSTS
Thank you for the help, you guys are the best!
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Sunday, August 13th, 2017 AT 2:57 AM
Tiny
XJSHEN
  • MEMBER
  • 218 POSTS
Fixed by removing dashboard and all front parts. Cost $250.
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Thursday, October 19th, 2017 AT 10:20 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
Nice work, we are here to help, please use 2CarPros anytime.

Cheers, Ken
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Thursday, October 19th, 2017 AT 11:46 AM

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