Engine Size: 4.0
Refrigerant Type: R134a
Country of Origin: United States
How can you tell what model compressor is on an explorer to verify proper PAG viscosity? The only part of the compressor label I can see without removing parts is F77H. I'm trying to get the right PAG viscosity for WSH MC231B listed under the hood (takes 7 oz). Auto part chart makes me guess PAG 46 but local ford parts department man says they stock and only use PAG 100. I wanted to add 1 oz of PAG oil that is premixed with 134a in a pressurized can.
Edited: Thu June 25, 2009 at 5:27 PM by fordman
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