Sump plug size (1 Viewer)

[AMK]

Before I crawl underneath my motorhome to change the oil, does anyone know the Allen key size for a fiat ducato 3 litre engine.

 

[pappajohn]

should be 12mm.

Be prepared to use an extension tube on an Allan key as the bung have a knack of tightening themselves and can be extremely tight.
Better still, beg steal or borrow a breaker bar and suitable Allan key socket.....the Allan key socket will be far harder steel than a regular key.

Only use a very good quality key, which is a good tight fit, as cheaper ones will round off the corners in either the bung or the key.

I had to chisel mine out then buy a new bung as someone had used an nferior key and rounded off the bung.

 

[pappajohn]

just had a thought....it may not be an Allen key.
Mk3 Could be a torx bung......6 point star shape and an Allen key wont fit.

If it is torx the it may be a T50.

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[Techno]

No right first time John
If its an X250 it will be 12mm

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