I need to add 2 ounces of SP-15 134a refrigerant oil to my system. on 2004 Dodge Ram 2500

The Sanden SD–7 compressor used in this vehicle is designed to use an SP-15 PAG refrigerant oil. SP-15 is ISO 68 viscosity, can I use PAG 100 in the little 3 ounce cans as a safe substitute?

by in Santa Maria, CA on August 23, 2011
1 answer
ANSWER by on August 23, 2011
mixing oils is never a good idea. i would have the system evacuated, added then evaced and charge. Roy

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