I have seen this posted before and I understand that it is not a problem, but can anyone shed some light on this subject?
I own a 740 gle with 170k miles and the dipstick never has condensation or coloured sludge on it, just nice clean oil. Whereas my 96 850cd with 110k miles allways has condensation on it even after a good run (my thermostat is new and runs at 3o/c)and also has an orange coloured sludge, mainly at the business end of the dipstick. I let volvo change my oil and do an engine flush but it's still there. As i have said i'm not worried but could someone answer this question.
As an aside, i think this is a great site and have to get a 'fix' daily. Keep up the great Q & A. Thanks to anyone who takes the time to reply.
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