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Oil sump design.
#1
I came over this video. And hope there is a engineer that can explaine why the drain hole is inward, and not flat or outward 

And is this modification a good idea? 
https://www.youtube.com/watch?v=xAvJVWx1tbM


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#2
Why ???  If it was a 4x4 I'd say ok but for a CAR .... I'd say bad design !

Mod - yes worth doing, I did my M59

edit :  

On my current M59 I bought a spare sump plug, welded a stud to it and used it as a puller to make the sump / plug section stick out  rather than in

Used a big socket as a spacer

Worked really well and quick to do.

If no welder then drill a hole in the spare sump plug and fit a stud / bolt through it instead.
2007 M59 1.6 HDi 

Serieal Berlingo owner  Heart Heart Heart
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#3
Berlingo 2020 1.5 BlueHDi 75 K9 Van 


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#4
Or alternatively just buy one of the oil suction pumps that goes down the dipstick and suck the residue out. I bought a cheap one at Lidl which they normally sell for about £13/€13 but there are plenty of others out there. It works well.

   
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Current:
Not a Citroen  Cry

Previous:
2008 B9 1.6Hdi Multispace XTR
2007 M59 1.6Hdi Multspace Desire
2002 Xsara Picasso 2.0Hdi
1996 ZX 1.9TD Estate
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#5
Going by the diagram given by 5ean the amount of oil isn't as large as on earlier models, personally I'd modify it.

From the above it will be easy to do even if you dont have a puller - the bottom section of sump unscrews.

Remove bottom sump plate, support on something solid. leave the plug in place and give the raised section a good solid thump.
2007 M59 1.6 HDi 

Serieal Berlingo owner  Heart Heart Heart
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#6
(10-12-2023, 01:44 PM)geoff Wrote:  Going by the diagram given by 5ean the amount of oil isn't as large as on earlier models, personally I'd modify it.

From the above it will be easy to do even if you dont have a puller - the bottom section of sump unscrews.

Remove bottom sump plate, support on something solid. leave the plug in place and give the raised section a good solid thump.

The only thing I would be wary of, in 'modifying' such a relatively new vehicle [K9 series Berlingo] is if you ever have to take the vehicle back to Citroen for any sort of warranty claim and they notice a modified sump, I suspect they would use it as a mechanism to void any sort of warranty claim [even if nothing to do with sump] If we were talking about an older model, I would agree with you.
_______________

Current:
Not a Citroen  Cry

Previous:
2008 B9 1.6Hdi Multispace XTR
2007 M59 1.6Hdi Multspace Desire
2002 Xsara Picasso 2.0Hdi
1996 ZX 1.9TD Estate
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#7
^^^^ Good point
2007 M59 1.6 HDi 

Serieal Berlingo owner  Heart Heart Heart
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#8
(09-12-2023, 09:19 PM)Tikki Wrote:  I came over this video. And hope there is a engineer that can explaine why the drain hole is inward, and not flat or outward 

And is this modification a good idea? 

Here's the old thread with the discussion about modifying the sump

https://www.berlingoforum.com/thread-15569.html


And a couple of pictures I took of the mod....

https://www.berlingoforum.com/thread-155...#pid103517

.
My vehicle .... 2006 (m59) Berlingo Multispace Desire - 1.6 HDI 92 
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#9
(09-12-2023, 09:19 PM)Tikki Wrote:  I came over this video. And hope there is a engineer that can explaine why the drain hole is inward, and not flat or outward 

And is this modification a good idea? 
https://www.youtube.com/watch?v=xAvJVWx1tbM


 
I'm assuming it is internal as most simple parts, like this one, are pressed on an upforming press tool, it would just cost a bit more to make a thicker press tool,  the internal shape around the drain plug also makes the pan slightly more rigid as do the ribs in the pressing. I'd agree that having an external would be better to drain more oil, but take care when bending metal..to go from an inward form to an outward form, the metal has to be squashed back flat, then pulled in the opposite direction, this not only fatigues the already very thin metal, but also increases stress corrosion. I doubt the small amount of oil left behind would be a problem,  but all the bits of rubbish, water, tend to lie in the base of the sump.....I think I'd use one of those vac tools, never used one, but I'll give it a try...
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#10
Well just done an oil change, using a vac tool, I must say I'm a covert now, got every drop of oil out, didn't have to jack up and remove the undertray and sump plug, much quicker and cleaner, had to stuff loads of absorbant clothes under the filter, but that was quite clean and no drips on the tray or drive...result!
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