PAG lubricant OIL -
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Unread 06-30-2012, 04:01 PM   #1
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1999 XJ Cherokee 
Join Date: Feb 2012
Location: Birmingham, al
Posts: 258
PAG lubricant OIL

What viscosity PAG refrigerant lubricating oil should be used to fill the compressor? Advance Auto where I bought the 4-seasons compressor says 100. On the label inside engine compartment it says 20. All I know is the lower the number the thicker the oil. Does anyone know for sure?? By the way my vehicle is a '99 XJ sport 4.0

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Unread 06-30-2012, 08:24 PM   #2
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1995 YJ Wrangler 
Join Date: Nov 2011
Location: Fort Kent, Me
Posts: 767
If you bought a new compressor I'd use what that wants.
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