Discharge and refill the A/C

2007 TOYOTA COROLLA
190,000 MILES • 1.8L • 4 CYL • 2WD • AUTOMATIC
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LASTMOH
  • MEMBER
  • 26 POSTS
I want to discharge and refill the A/C. how much oil i need to add and what type.of course i will recover the old Freon?

Thank you
Aug 10, 2020 at 3:47 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
Good afternoon,

If you are not replacing anything, then just add one ounce of Pag 90.

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

Why are you doing this procedure?

Roy
Aug 10, 2020 at 4:50 AM
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LASTMOH
  • MEMBER
  • 26 POSTS
the A/C is not cooling well.on the tag it says ND 8 oil. i looked online it says equivalent is Pag 46. is it right?
Aug 10, 2020 at 8:08 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
Pag 46 is okay to use. 46 and 49 are almost the same and mixing them is not an issue.

Roy
Aug 10, 2020 at 8:23 AM
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LASTMOH
  • MEMBER
  • 26 POSTS
I looked at the oil they have oils with ICE is it okay to use them?
Aug 10, 2020 at 9:17 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
No, just get the Pag oil. No additives needed. The Pag has all the additives it needs.

Roy
Aug 10, 2020 at 9:08 PM
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