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Joined: 11 Oct 2017
Posts: 17

PostPosted: Fri Feb 23, 2018 8:00 pm    Post subject: MOMO Cup Steering Wheel to Boss - Allen nuts are "censo Reply with quote

DIY ***** up and I need some advice please!

Having successfully removed my MOMO cup wheel and boss from the car, I presumed it would be doddle to remove the six allen bolts in order to detach the wheel from the Boss.. How wrong could this assumption turn out to be.

Using a quality ratchet drive and 3mm head, two allen bolts have released ok but despite a prelonged soaking in penetrating oil... 4 bolts have rounded out (the ratchet head was tougher) so I have allen bolts in situ with their heads turned into cheese.

I imagine the best path forward is to drill out each allen nut, starting with 1mm, then 2mm steel bits and working my way up in diameter. I have used this technique successfully in the past for bigger items (like exhaust studs) but this is obviously more fiddly.

A new Boss is £80 but the wheel far more, so I would rather damage the Boss than the wheel.

Any other bright ideas or advice?

Thanks all,
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Joined: 11 May 2014
Posts: 47

PostPosted: Fri Feb 23, 2018 10:27 pm    Post subject: Reply with quote

It could be worth cutting a slot into the top of the bolt to use a screwdriver instead before going full on with the drill.
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Joined: 26 Nov 2009
Posts: 17
Location: On top of the world

PostPosted: Fri Feb 23, 2018 11:34 pm    Post subject: Reply with quote

I’ve found a Dremel style disc works well for this.
Not sure what they thread into on this wheel but if it has a thread lock applied at construction then heat will help release it, for instance boiling water.
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Stuart Mackay

Joined: 29 Apr 2013
Posts: 195
Location: Swaffham, Norfolk and Good

PostPosted: Fri Feb 23, 2018 11:35 pm    Post subject: Reply with quote

use hot air gun or soldering iron to melt Loctite
2007 Speed Yellow 997 Carrera GT3 CS
2000 Westfield Cosworth
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