Odd front suspension knuckle bolt- advice?

[Zed]

So a while back I needed the top mount done on my Zed, offside front but had both done.

I now have a leaking front strut, same side so without further ado ordered a pair of B4's and went about the strip down...

Seems they must have had an issue with the 15mm hex knuckle bolt as it's been replaced with a 15mm torx bolt which aint shifting, concerned I'm gunna screw the head and I only have std 15mm sockets. The other side has been off and remains the std 15mm hex bolt.

So go buy a 15mm female torx socket then I hear the cry's, well I've looked and there isn't one on tinterweb. Why they fitted that type of bolt is beyond me and having faffed with it it's going to have to go to a garage either to get cut or removed with a seemingly fictitious socket!

Sizes seem to go 14, bypass 15/16 and go straight to 17/18.

Looks like ::

Now I'm saying it's 15mm but the torx sizes are odd, the 15 mm std socket bit fits right on it, snug, applying force though makes it slip.

Can anyone advise? I was trying to save dough with a reasonably simple DIY job , I'd return the car to the garage but I'm too far away now.

Thanks.

 

[Stuartt]

It’s probably a T45 female socket or abouts that size, they sell them singularly in Halfords or you can get a set an a rail. Very common these days especially on German cars.
You might be able to get away with a 6 sided socket rather than 13 sided as less likely to slip bus for the few £’s I’d get the correct one for the job.

Stuart

 

[Zed]

Wow, thanks Stuart!

If it's not too much trouble could you link me to the boys you've mentioned? Been backwards and forwards with Halfords and trying a 15mm 6 side on a 1/2 drive is still slipping a small amount and can see the signs on the head. I had a 14mm female torx so I'd asked for the next one up which is where I found the gaps in sizes. Either that or it's just not 15mm, if they're that common as you say, I'd expect to fall over them

Determined to get the job done!

 

[mjennings23]

The socket you'll need are E-Torx, which use a different measurement system. Sizes go up in 1s from E4 to E8, and then 2s from then on. So the next size up from E14 is E16. It might be surface rust that's preventing the E14 from fitting on, but perhaps worth trying an E16.

Edit: So an E16 is 14.7mm point to point, so if a 15mm feels a bit loose then I'd assume E16 is the correct socket.

 

[Stuartt]

https://www.halfords.com/webapp/wcs/stores/servlet/SearchRouter?langId=-1&storeId=10001&catalogId=10151&action=search&srch=Female+torx

Stuart