Citroen C1, Peugeot 107, 108 & Toyota Aygo Owners Club. (Discount code for CityBugStore: C1OC). - New users not working currently, New users please use 'City Bug Club' Facebook instead

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PostPosted: Mon Jun 11, 2018 8:56 am 
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Joined: Mon Sep 21, 2015 1:20 pm
Posts: 6
Drives: Peugeot 107 Urban
GavJ wrote:
Roc wrote:
alans447 wrote:
Hi again, this issue bugged me too, and I've posted separately to see if anyone had the real answer.. no definitive came up so I guess no-one really knows yet. Like brixtonboy I've come to take it as a characteristic of the engine when it gets past the 100k miles mark, nothing majorly wrong but probably just normal wear on the valve guides, oil control rings etc adding up to generally increased oil consumption.

One thing I did get out of my previous look into this was a suggestion to use synthetic 5W-30 oil rather than the semi-synth 10W-40 I'd previously had recommended. This appears to have reduced oil consumption quite noticeably and I now seem to be achieving about 5k miles per litre which is much better than before. Now I have no idea why this would work?? The only thing I can think of is that fully synth oil is apparently less volatile and won't vapourise away so quickly but you tell me, I guessing there! It occurs to me therefore that when the OP had his car serviced they put something like 10W-40 in instead of the 5W-30 that's now recommended - hence the surprise when the consumption went up.

But do note, I'm doing 5k miles per litre, so you really, really must keep that dipstick checked between services on a higher mileage car!


5w30 C3 is the recommended oil, has been for 10 years, its the only oil the club recommends and the only oil the specialist stores sell for these cars. 10w40 semi is not suited to these engines.


The odd thing is the service guide for my 2007 C1 is as follows "For C1 petrol, it is recommended to use the oil TOTAL ACTIVA/QUARTZ 5000 15W40, norm API SL"
The alternative options are 10w40 or 5w40

The local Citroen/Peugeot specialist use 5w30. But local Toyota dealer uses 0w20.

My C1 burns through less oil using 5w40 than when using 5w30 so will stick with that for now.

Thank goodness for the club! Out there in the rest of the world confusion still reigns unfortunately.. 5W-30 C3 it is from now on, go off piste at your peril.


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PostPosted: Mon Jun 11, 2018 9:20 am 
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Joined: Fri Jun 24, 2016 1:53 pm
Posts: 79
Drives: Aygo 2009
the toyota manual states to use only 0w20 oil, 5w30 can be used as a substitute, but after you should switch back to 0w20 as soon as possible. Always use 100% synth oil.

best,

RL


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PostPosted: Mon Jun 11, 2018 2:45 pm 
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Joined: Sat Dec 23, 2017 1:11 am
Posts: 21
Drives: 2007 C1
alans447 wrote:
GavJ wrote:
Roc wrote:
alans447 wrote:
Hi again, this issue bugged me too, and I've posted separately to see if anyone had the real answer.. no definitive came up so I guess no-one really knows yet. Like brixtonboy I've come to take it as a characteristic of the engine when it gets past the 100k miles mark, nothing majorly wrong but probably just normal wear on the valve guides, oil control rings etc adding up to generally increased oil consumption.

One thing I did get out of my previous look into this was a suggestion to use synthetic 5W-30 oil rather than the semi-synth 10W-40 I'd previously had recommended. This appears to have reduced oil consumption quite noticeably and I now seem to be achieving about 5k miles per litre which is much better than before. Now I have no idea why this would work?? The only thing I can think of is that fully synth oil is apparently less volatile and won't vapourise away so quickly but you tell me, I guessing there! It occurs to me therefore that when the OP had his car serviced they put something like 10W-40 in instead of the 5W-30 that's now recommended - hence the surprise when the consumption went up.

But do note, I'm doing 5k miles per litre, so you really, really must keep that dipstick checked between services on a higher mileage car!


5w30 C3 is the recommended oil, has been for 10 years, its the only oil the club recommends and the only oil the specialist stores sell for these cars. 10w40 semi is not suited to these engines.


The odd thing is the service guide for my 2007 C1 is as follows "For C1 petrol, it is recommended to use the oil TOTAL ACTIVA/QUARTZ 5000 15W40, norm API SL"
The alternative options are 10w40 or 5w40

The local Citroen/Peugeot specialist use 5w30. But local Toyota dealer uses 0w20.

My C1 burns through less oil using 5w40 than when using 5w30 so will stick with that for now.

Thank goodness for the club! Out there in the rest of the world confusion still reigns unfortunately.. 5W-30 C3 it is from now on, go off piste at your peril.


I think what it does tell you is that the engine is not fussy on what grade of oil you use as long as it's changed regularly.


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PostPosted: Mon Jul 02, 2018 6:46 am 
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Joined: Sat Apr 09, 2016 6:05 pm
Posts: 9
Drives: Citroen C1 VTR 2012
I've only ever used 5w 30, and I get it all from C1OC.


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