Low side reads high, high side reads low

Tiny
LIMESTAHL
  • MEMBER
  • 2005 DODGE RAM
  • 3.7L
  • V6
  • 2WD
  • AUTOMATIC
  • 122,000 MILES
Low side reads high, high side reads low. Brand new orifice tube, dryer and compressor. What am I missing? All fans are running, compressor clutch is working, all lines are clear.
Friday, July 27th, 2018 AT 11:26 AM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
You are correct that if the low side is high and the high side is low then the compressor is most likely faulty.

Here is a guide that will help with this:

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

Below is a chart that will help with this and the process from the manual on how to replace the compressor. Please let us know if you have other questions. Thanks
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Wednesday, June 23rd, 2021 AT 9:34 AM

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