AC BLOWING WARM AIR

Tiny
LSEDANO22
  • MEMBER
  • 2010 FORD FOCUS
  • 2.0L
  • AUTOMATIC
  • 148,000 MILES
If there is a clog in the system and it requires the replacement of the Expansion valve, does this also require the tubing to be cleaned?
Tuesday, August 6th, 2019 AT 10:35 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,110 POSTS
Yes it does, this usually happens when the AC compressor has failed. The system needs to be flushed so as to not contaminate the new compressor. Here is a guide that walks you through the replacement with diagrams below to help you with the repair on your car:

https://www.2carpros.com/articles/replace-air-conditioner-compressor

and

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

Check out the diagrams (below). Please let us know what happens.

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Wednesday, August 7th, 2019 AT 7:41 PM

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