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[Filters & Oil] Hdi oil flush?
#1
I'm aware that the 1.6Hdi needs regular oil changes to prevent turbo failure, but is flushing oil needed if the car has full service history?

Our '10 plate with 58k miles has a full main dealer service history, so I don't think it needs the oil flushed, but I'd like second opinion.
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#2
Because of the sump design with the drain plug being recessed upwards there is always an amount of oil left in the sump, (approx half a pint) because of this I wouldn't want to use flushing agents!

Just my opinion, others may think differently.


A worthwhile modification is to pull the sump recess out, this then lets you get all of the old oil out.

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


.
My vehicle .... 2006 (m59) Berlingo Multispace Desire - 1.6 HDI 92 
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#3
if you want to flush it it wont hurt on a modern engine but you could use some of Asda's finest 10w40 semi sythetic to flush it out it about £12. Let it drain as long as you can is the key with the filter removed then use your good 5w30 fully sythetic and a new filter.
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#4
Some do not agree with me here, but I always use a suction pump to drain and refill the sump. It not only gets out more oil than draining through the sump plug, but my Pela pump pulls out the oil while it's hot, immediately after I've turned off the engine. Any impurities are still in suspension, and haven't had time to settle.

I always change oil and filter together, and on my B9 it's done every 6k miles. Yeah, I know that some will think this is excessive, but to me it's simply a form of insurance - preventive maintenance.

Gravity
[-] The following 1 user says Thank You to Gravity for this post:
  • ron
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#5
I can see no purpose with flushing provided good brand correct spec oil is used. Cit garage should use Total Quartz ineo ecs. My previous 09 reg went 88k miles & 8 yrs with only annual service at Cit garage & was not using a drop of between services when I traded it in last yr.
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#6
(12-02-2018, 02:55 PM)jj9 Wrote:  Because of the sump design with the drain plug being recessed upwards there is always an amount of oil left in the sump, (approx half a pint) because of this I wouldn't want to use flushing agents!

Just my opinion, others may think differently.


A worthwhile modification is to pull the sump recess out, this then lets you get all of the old oil out.

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


.

I think that pulling the sump plug recess out will make it prone to damage!
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#7
(12-02-2018, 07:44 PM)drc Wrote:  A worthwhile modification is to pull the sump recess out, this then lets you get all of the old oil out.

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

I think that pulling the sump plug recess out will make it prone to damage!
[/quote]


My first question before I would consider doing this mod would be 'Why was the sump plug recessed in the first place?'

Gravity
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#8
Forte engine flush is safe to use even if a tiny bit is left in. Forte offer a guarantee against engine damage if it is caused by the product. 
I am not a great believer in "snake oil" but this is a really good product and after a  lot of years using it, there really does seem to be a noticeable improvement in engine cleanliness,
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#9
(12-02-2018, 07:44 PM)drc Wrote:  I think that pulling the sump plug recess out will make it prone to damage!


That depends if the vehicle is fitted with an under engine shield, mine and most others I've seen are.



(12-02-2018, 08:11 PM)Gravity Wrote:  My first question before I would consider doing this mod would be 'Why was the sump plug recessed in the first place?'

Gravity


That was mine also, and the only reason I could come up with was it had been designed that way to avoid damage to the sump plug, but as above, most vehicles are fitted with an under body shield.

Then I read the technical bulletin that Citroen circulated around it's dealerships detailing the techniques to be employed whilst draining the oil from the 1.6 HDI engine and the quickly came to the conclusion that the recessed sump plug was obviously a bad design flaw. 

.
My vehicle .... 2006 (m59) Berlingo Multispace Desire - 1.6 HDI 92 
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#10
(12-02-2018, 09:06 PM)Lighty Wrote:  Forte engine flush is safe to use even if a tiny bit is left in. Forte offer a guarantee against engine damage if it is caused by the product....


Good luck with that claim, you are never going to be able to prove that are you.



.
My vehicle .... 2006 (m59) Berlingo Multispace Desire - 1.6 HDI 92 
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