What size are they? I have tried to get my calipers in to measure the head and just can't get in. The two plug spanners I have won't fit in, both too big and I don't want to go to Halfrauds and spend a wad only to find I've got the wrong one.

Looks to me like a socket type spanner won't fit as the clearance round the plug is so small. Would I be better off buying a good old box spanner?

Cheers

Graham

BRISK T

Thanks for that anewman. I already have an assortment of plug spanners and none of the b*g*r* fit! All of mine are too big to go over the plug in the recess in the head.

Cheers

Graham

sounds like someone has put a set of oddball plugs in. try and borrow a set of 3/8 deep reach sockets or pop to a local garage and see if they will lend you a socket to get the right size

Is the OP using a 14mm plug box? If so, then IME it won't go anywhere near 10mm plugs (as my dad discovered on first attempting to change plugs on a Citroen BX).

Yes I am using a 14mm plug spanner as the replacement plugs I was supplied have 14mm body. I think you might be telling me I have been supplied the wrong plugs as as well as using the wrong spanner. Are you telling me the plugs are 10mm??????? Are the N14YCs mentioned in the earlier post 10mm? I was sold NGK BP6HRS plugs as replacements.

Graham

All I definitely know is that, the last time I (well my dad actually) couldn't get a "proper" plug box down a recess in the head to get it onto the hex, the problem was that he was trying to fit a 14mm box down a hole for a 10mm box and plug.