Do you recommend using oil extractor/syphon rather than draining from sump plug?

OddballJamie

Whooooosh!

darkmatter101

BeenThroughItAll wrote: »

I have indeed done that test, and the maximum additional drain I've seen is less than 150ml over a two hour drain on my Superb 1.9TDI PD 130. Mind you, I normally let the oil drain for at least 40 minutes before I start, and it's always still warm enough to flow easily when I begin extraction.

Also, on the motorhome engine (PSA DJ5T) prior to removing the sump as I mentioned above it'd been vacuumed clear of oil, and there was only an eggcup-full left in the sump when it was removed.

Bearing in mind that where you can vacuum out the additional from the oil cooler, as described above, you can get an extra 0.5L out over a sump-plug drain, I'll take the vacuum extractor every time.

Regarding marine, many large marine diesels do indeed use a dry-sump with scavenge pumps, but there are plenty of baffled wet-sump engines which don't like some of the smaller Volvo Pentas derived from the D5 automotive engine. Pela extractors were originally manufactured for the marine market, as an indication.

This is interesting topic, from what I've read online some people drink draining from the sump plug is much other effective and others think its equal or a negligible difference.

I would imagine it depends where the sump plug is located. On the Yaris and TDI's the plug is at the back of the pan, so I think jacking it up from the rear and draining would be more effective?

As for using the oil extractor would it make a difference if the car is tilted or can it be done as effectively when on a flat road?

BeenThroughItAll

darkmatter101 wrote: »

This is interesting topic, from what I've read online some people drink draining from the sump plug is much other effective and others think its equal or a negligible difference.

I would imagine is depends where the sump plug is located. On the Yaris and TDI's the plug is at the back of the pan, so I think jacking it up from the rear and draining would be more effective?

As for using the oil extractor would it make a difference if the car is tilted or can it be done as effectively when on a flat road?

I don't know, I don't overthink it that much. Can only give you the facts of my experience, which I've done.

End of the day, different strokes for different folks. I'd rather change my oil every 6K with an extractor than end up doing it only half as often because I can't be bothered. For me, it's about making life easier and faster. The oil's not in there long enough to get that crappy that I worry about sludge or a bit left over. I've been using one for years and none of the vehicles I've been looking after (which is a fair few, I can tell you) has ever blown up or thrown a rod or disappeared in a cloud of magic or had its doors fall off.

FWIW, I always work on a flat pad, and the beauty of the vacuum extractor is I don't have to grovel around on the floor or faff with jacks for a quick oil change.

darkmatter101

Another idea to ensure all the oil dirty is is removed is to add a litre of fresh oil after you have drained completely and drain again?

But can't use the oil extractor with this method, have to go under...

**Or I suppose you could still do this with the extractor

BeenThroughItAll

darkmatter101 wrote: »

Another idea to ensure all the oil dirty is is removed is to add a litre of fresh oil after you have drained completely and drain again?

But can't use the oil extractor with this method, have to go under...

Yeah, if you like wasting money, time and energy, knock yourself out.

I've run out of things to say. I like my extractor, it works for me. Works fine for plenty of garages too. Look in Elsa for instructions on a lot of VAG vehicles and they'll describe the use of an extractor, so don't be under the impression that all those shiny chrome and glass dealer palaces are getting down and dirty with your sump plug every time.

force_ten

darkmatter101 wrote: »

M3 doesn't have a dip stick unfortunately

molerat wrote: »

Not even behind the steering wheel ?

darkmatter101 wrote: »

You mean the i-Drive? Yes I can check the level on there but in any case I can't use the oil extractor as there is no physical dipstick.

well that one was totally wasted :rotfl::rotfl:

darkmatter101 I think he meant you

oldhand

motorguy wrote: »

I thought you were changing your Yaris, if not for the IS250 that you showed this for another one?

Change of plan??

Oooo,their out...............

oldhand

Not sure if cars still use magnetic sump plugs but draining it via the plug may give early warning (metal fragments) of potential engine problems ahead?

kaya

I brought a cheap column style sealey one off of flea bay and it works perfectly , from memory it was £50 or £60 inc delivery and I've done engine oil on my camaro and my shogun, also did the trans fluid on my shogun with it so if you want to waste your money on a brand name one feel free.

harveybobbles

darkmatter101 wrote: »

M3 doesn't have a dip stick unfortunately

It does.. it's called the owner