1l is enough, the tank is only about 1.1 litres from the factory. I've just filled ours, used the all generations stuff from Neo Brothers, £23.75 delivered next day. Easy enough to fill as you can do it without removing the tank.
Good news on the belt job!
CITROEN C4 GRAND PICASSO CAM BELT FAILURE
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RichardW
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CitroJim
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Re: CITROEN C4 GRAND PICASSO CAM BELT FAILURE
Pleased to hear all is now good 
I am sorry I cannot advise on the Eolys although I'm sure someone will be along very soon with the answer...
I am sorry I cannot advise on the Eolys although I'm sure someone will be along very soon with the answer...
Jim
A bit of a Citroen AX fan...
A bit of a Citroen AX fan...
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SILENTSLEIGH2026
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Re: CITROEN C4 GRAND PICASSO CAM BELT FAILURE
Thanks Richard Really appreciate it I actually ended up going down to Mymotorword and grabbing a 1l yesterday for £32 and filled it very easy job but a little messyRichardW wrote: 20 Aug 2026, 21:29 1l is enough, the tank is only about 1.1 litres from the factory. I've just filled ours, used the all generations stuff from Neo Brothers, £23.75 delivered next day. Easy enough to fill as you can do it without removing the tank.
Good news on the belt job!
Just need to get the Eolys system reset now as the ICARSOFT wont do it
Thank you again mate
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CitroJim
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Re: CITROEN C4 GRAND PICASSO CAM BELT FAILURE
If you're anywhere near me then I could pop Diagbox on it for you and do the necessary. I'm near Milton Keynes...SILENTSLEIGH2026 wrote: 21 Aug 2026, 09:29 Just need to get the Eolys system reset now as the ICARSOFT wont do it
Jim
A bit of a Citroen AX fan...
A bit of a Citroen AX fan...
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SILENTSLEIGH2026
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Re: CITROEN C4 GRAND PICASSO CAM BELT FAILURE
Mate what a very kind gesture thank youCitroJim wrote: 22 Aug 2026, 05:23If you're anywhere near me then I could pop Diagbox on it for you and do the necessary. I'm near Milton Keynes...SILENTSLEIGH2026 wrote: 21 Aug 2026, 09:29 Just need to get the Eolys system reset now as the ICARSOFT wont do it
The car is now running lovely
Thank you again though for the offer I genuinely do appreciate it mate
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PaulC5
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Re: CITROEN C4 GRAND PICASSO CAM BELT FAILURE
Good to hear. You could name the garage if you want as at such a good price that is a bargain to get the diagnostic done, especially by somebody who knows what they are doing.
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CitroJim
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Re: CITROEN C4 GRAND PICASSO CAM BELT FAILURE
No worries! I'm just very pleased all is now sorted and all is goodSILENTSLEIGH2026 wrote: 22 Aug 2026, 10:26
Thank you again though for the offer I genuinely do appreciate it mate
Jim
A bit of a Citroen AX fan...
A bit of a Citroen AX fan...