visor_down
Member
- Messages
- 410
- Location
- UK
Hi all
Quick query that I have been unable to find a clear answer to on searching here and elsewhere on www.
Did oil change on petrol car (68k), warmed up before draining and left to drain for at least half hour. Went for a run after initial fill and on topping it up it was accidentally overfilled so excess as extracted out of the dipstick tube, the thing is the extracted stuff (around 400ml) was black like the oil that had just been drained out?
I understand this could be because the vacuum hose is getting it right out the bottom of the sump, but i would have thought the run round the block after initial fill would have stirred it up a bit, the oil on the dipstick is clear as you would expect on a new fill.
Just interested on thoughts as to why the extracted stuff was so black and not mixed with the new fill, also surprised it hadn't drained considering the long drain time? Could a sediment of 400-500ml stay in the sump?
cheers
Quick query that I have been unable to find a clear answer to on searching here and elsewhere on www.
Did oil change on petrol car (68k), warmed up before draining and left to drain for at least half hour. Went for a run after initial fill and on topping it up it was accidentally overfilled so excess as extracted out of the dipstick tube, the thing is the extracted stuff (around 400ml) was black like the oil that had just been drained out?
I understand this could be because the vacuum hose is getting it right out the bottom of the sump, but i would have thought the run round the block after initial fill would have stirred it up a bit, the oil on the dipstick is clear as you would expect on a new fill.
Just interested on thoughts as to why the extracted stuff was so black and not mixed with the new fill, also surprised it hadn't drained considering the long drain time? Could a sediment of 400-500ml stay in the sump?
cheers