Hi Guys:
My daughter's 00 S40 just turned 41K miles.The cold weather prevented me from changing the oil in the car. I took it with my Volvo oil filter to one of these 10 min oil change places. The guy there told me the oil was very dark and that I should have the engine flushed. Also that I should change from the conventional 10W30 oil to synthetic .
Is it advisable to have the engine flushed? Should I change to synthetic oil?
Tks
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00 S40 40K,90 740 152k ,87 740 340K and 80 240 265K both gone but not forgotten
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