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@paul.h, massive thanks mate! I went in via the vent on the top of the box and get the oil replenished that was lost. Best regards, Sean

Cheers Paul, I think this will probably be the option to be honest as there is absolutely no evidence of any filler holes. From memory when I had my D Turbo many years ago the filler plug was bigger than the rest of the bolts on the box and was easily spotted.

Hi Paul, Thanks for getting back to me. I couldn't tell you what the box type is as its pretty tight in there to see any markings on it. I will pop off the arch liner tomorrow and get a better look. The reg of the car is SG55 FZO if that helps. I'm a MINI man so my knowledge on Citroen's isn't great and I only took on this job as its my sister and she's desperate plus with her being a nurse she needs her car and me being foolish I've created extra work for myself :( I've searched the internet but all I can find is automatic and Hdi boxes :( Cheers, Sean

Hi guys, I've been replacing the front springs on my sisters C3 and accidentally pulled the driveshaft out of the gearbox and lost some oil. Now that I've done the springs etc I want to replace the oil that I dropped but I can't see any obvious filler plug. Can any of you guy's possible assist with some advice or a diagram please? I need to get the car back to her tomorrow so she can use it for her work Thanks in advance, Sean