Clear/Yellow very clean is exactly what it looks like out of the bottle. Viscosity for my calsonic compressor was PAG 100 which is considered "medium" viscosity which is about as viscuous as a hot canola oil.

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2010 Lexus RX350 still new
2003 BMW X5 3.0i w/sport package w/68K miles. (gone Thank God!)
2002 Dodge Ram 2500 4X4 cummins diesel w/198K miles, custom repo truck
2009 Scion tC w/46K miles
2007 Suzuki SV650 custom streetfighter
2000 Lexus GS400 w/165K miles