If you had released the filter cap by two full turns before sucking the oil out your sump would have been empty, as it is you allowed the oil to drain from the filter housing down into the sump after you had used the suction pump and that is what came out when you removed the drain plug. Also when putting the new O ring on the filter housing you should seat it in the O ring groove rather than just sit it on the threaded section.

The first couple of changes on my US spec V8 petrol I used the suction method then opened the drain plug. Nothing ever came out so I don’t bother anymore. Just do the suction method every 5k miles.

More content please 👍👍👍

enlightened. even the comments have been valuable. about to buy a 93000km 2015 sdv6 that's been loved. Pretoria, South Africa.

You should loosen the filter housing, let it drain to sump. Then loosen filler cap. Then pump out the oil. Also the oil filter seal should be in that groove not at the end of thread 😢

@LFG-gu7kk

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And also, when pouring oil in , turn your canister flat so you will allow some air in and you will have nice oil flow and no oil spills

Should you loosen the oil filler cap to prevent creating a vacuum?

@markmoore3975

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On the V8 petrol that is recommended.

@gynads

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@@markmoore3975 Why on the V8 petrol and not the diesel? Exactly the same principle applies