Quote:
Originally Posted by Artan
I use full synthetic Castrol Edge TurboDiesel 5W-40 for my VW Passat 1.9 TDI 2003. According to the sticker the oil should be changed after max 15000 km or max 12 months. I drove now for 33000 km and 18 months. The oil is as new. If the oil is viscous and thin everything is ok. If it is thick and no viscosity then its bad.
(SNIP)
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I'd like to see a full lab test of your oil at this point. That's the only way you'd convince me it is still OK. A simple visual and "feel" test aren't going to tell you spit.
I guess I don't understand your motivation to severely exceed all recommendations, other than a complete distrust of the oil industry...
Jay