Engine Oil change?

**Grappler** · 13th May 2023, 08:11 AM

With my D300 just ticking over 10000km I thought it wouldnt hurt to change the engine oil and filter

Prepared with a genuine filter and correct oil and my newly acquired oil sucker, I started pumping but could only extract just less than 6 litres
According to the specs (8.8 litres) that's 3 litres short

I wiggled the extraction tube down the dipstick pipe and tried smaller diameter tubes but was unable to go deeper to suckup any more oil

I gave up, replaced the filter and topped up 6 litres of oil. So the result was more of a oil flush rather than a change!

Is it possible I was unlucky and the crank angle was blocking the path of the tube into the bottom of the sump?

Would be great to hear others experience with this issue

**DiscoDB** · 13th May 2023, 08:51 AM

Does the engine have an extraction tube?

Normally the dip stick does not go to the bottom as it is only positioned to measure the top few centimetres of the oil level and probably not aligned with the deepest part of the sump.

**scarry** · 13th May 2023, 10:21 AM

So no sump plug?

**Grappler** · 13th May 2023, 11:27 AM

There is a sump plug but is guarded by a bash plate and the "cardboard" belly cover
My hoist is out of action so suction was the recommended option

**one_iota** · 15th May 2023, 07:30 AM

Stephen changed the oil on his P400 with a vacuum pump and extracted the full 8.8 litres:

Fresh Glug the Easy Way; Changing the Engine Oil on a new Defender P400 with a Vacuum Pump - YouTube

As he mentioned is it likely that the hose curled up when it hit the bottom?

**Grappler** · 15th May 2023, 10:59 AM

Maybe the tube was curling, but I did move it up and down like in the YT clip. It felt like it was bottoming out though. I did all the things in the video but could only get 5.8 litres

Ill have another go in 5000 km, but will explore making access to the sump plug easier and fitting a stahlbus oil drain

**one_iota** · 15th May 2023, 11:15 AM

Originally Posted by Grappler

Maybe the tube was curling, but I did move it up and down like in the YT clip. It felt like it was bottoming out though. I did all the things in the video but could only get 5.8 litres

Ill have another go in 5000 km, but will explore making access to the sump plug easier and fitting a stahlbus oil drain

This might help. He stops prattling about nine minutes in and gets under the Defender:

Fresh Glug the Hard Way: How to do an Oil and filter Change on a P400 Defender - YouTube

**Tombie** · 15th May 2023, 11:36 AM

Wow he makes hard work of that!

**Eric SDV6SE** · 17th May 2023, 02:02 PM

Likes the sound of his own voice too.... i got bored 2 minutes in

**Eric SDV6SE** · 19th May 2023, 07:12 AM

Originally Posted by Grappler

Maybe the tube was curling, but I did move it up and down like in the YT clip. It felt like it was bottoming out though. I did all the things in the video but could only get 5.8 litres

Ill have another go in 5000 km, but will explore making access to the sump plug easier and fitting a stahlbus oil drain

Haven't looked on the new P400 yet, but if it's the same as on the D4,the best bet is to fit the tube over the end of the suckered tube so that it's a tight seal. Remove the filler cap then pump the vac pump, this draws all the oul up the tube and into thr oil suckered. When it's doing that, remove the oil filter. This should get 99% of the oil out.

I found if you stick the tube in, it will only suck oil 'locally'

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