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Dont hurt me. Diesel Clatter Additives

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Old Sep 21st, 2018, 19:54   #1
NorthantsPete
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Default Dont hurt me. Diesel Clatter Additives

Hi all

Sometimes my D5 is so clattery.. it comes and go depending on the length of oil change.. the fuel used and the temperature outside. Most of the time and at speed its refined, but at low revs stop start, its so clattery to the point id prefer people didnt open their windows

Dont hurt me, i know snake oil this that 'tother, but I was wondering if any successful usage of oil additives to reduce the noise of a diesel without doing harm elsewhere

Those such as on carbible:
https://www.carbibles.com/best-oil-additives-reviewed/


Slick 50 has afterall been around for 20+ years now, if they got sued all the time they wouldnt bother. There's also the train of though manufactures would shoot themselves in the foot if every got 500k out of their engines... aka 'life of the box mate'.

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Old Sep 21st, 2018, 20:07   #2
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If the clatter relates to oil changes AND fuel used, then this must surely be a mechanical issue AND a combustion issue?

Additive manufacturers make such weak claims (using weasel words) that they can't easily be sued.
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Old Sep 21st, 2018, 21:38   #3
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It seems that the question is answered by the poster
Use good fuel, good clean oil, percieved problems go away.
Overall cost of this is zero as he wont be shelling out on dubious additives to try to mask the symptoms.
If that doesnt fix it talk to a mechanic, something may need adjusting.
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Old Sep 21st, 2018, 21:52   #4
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well even amazon reviews suggest maintenance isnt always enough and rough running but well maintained cars still run into trouble on synthetics etc. with garsges suggesting replacement piston rings, injectors and so on

https://www.amazon.com/Archoil-AR910...ustomerReviews
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Old Sep 21st, 2018, 22:00   #5
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Rather than an additive, try Fuchs Titan Supersyn 5w40 or Motul 8100 xcess 5w40, if its a euro 3 (black engine cover, 163 bhp) or if its euro 4 (silver engine cover, 163, 185, 205 bhp) try Mobil 1 FS 0w40 or Petronas Syntium 7000 0w40.
Wynns lifter treatment has also recently proven itself useful in combination with the fuchs titan for a rattly euro3 D5 for a couple of members, though I dont generally advocate oil additives.

Also, could it be your DMF? Have you tried pushing clutch pedal down when clattering badly? Or are you auto?

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Old Sep 21st, 2018, 22:37   #6
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yep, im auto.

Maybe i need more frequent oil changes, but at £65 a time I was hoping to mae 12 months!
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Old Sep 21st, 2018, 22:42   #7
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12 months is fine, what mileage you doing? 10-12k is optimal, 15k is ok, 18k is really asking a whole lot of the past its best oil...
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Old Sep 21st, 2018, 23:43   #8
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About 17k... som, stretching it a bit.
According to the review on amazon the guy is anaysing his oil and its wear rate is down 50%. maybe good for me.. cheaper than £60
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Old Sep 22nd, 2018, 00:06   #9
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Dubious (but not fully opposed) myself tbh, but you seem convinced, just let people know any actual things you find, be it good or bad... 👍
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Old Sep 22nd, 2018, 00:15   #10
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engine gets noisy on high mileage oil.....
engine quiet on clean oil......
what will be saved by throwing in an additive when an earlier oil change will do whats required, and probably make the engine last longer.
Your car, your dosh, your choice.
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