How much oil is needed for the A/C system?

Tiny
RON MOLLOHAN
  • MEMBER
  • 2001 DODGE RAM
  • 5.9L
  • V8
  • 2WD
  • AUTOMATIC
  • 134,000 MILES
Once I flush the A/C system and install a new compressor how much oil do I put back in?
Wednesday, July 27th, 2022 AT 9:29 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,256 POSTS
The new compressor should have oil it already, But to be safe you can add 2 more ounces. You don't want to much oil because it can impair the system's performance.

R134a Refrigerant .................... 0.907 Kg (32 oz.)

This guide can help

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

and

https://youtu.be/4EqdrBVb0sY

Please let us know if you need anything else to get the problem fixed.
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Wednesday, July 27th, 2022 AT 1:53 PM

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