Connorefc · Jun 30, 2019

I have Shear nuts on my roof rack after having had a previous one stolen. However I now want to remove it to fit roof bars. How do I get the roof rack off ?

dag019 · Jun 30, 2019

Connorefc said:
I have Shear nuts on my roof rack after having had a previous one stolen. However I now want to remove it to fit roof bars. How do I get the roof rack off ?

If they shear the bolt head off the. Drill them out. If the shear the nut off then cut them off.
Failing that if you can cut them off you could carefully cut a slit in them and/or split them open with a sharp chisel.

kevstar · Jun 30, 2019

Grind a slot in the threaded part & use a screw driver to undo them or drill a hole in the centre & tap an Allen key socket
& undo them or as above use a chisel.

Connorefc · Jun 30, 2019

dag019 said:
If they shear the bolt head off the. Drill them out. If the shear the nut off then cut them off.
Failing that if you can cut them off you could carefully cut a slit in them and/or split them open with a sharp chisel.

That

Connorefc · Jun 30, 2019

dag019 said:
If they shear the bolt head off the. Drill them out. If the shear the nut off then cut them off.
Failing that if you can cut them off you could carefully cut a slit in them and/or split them open with a sharp chisel.

Thanks I will try cutting a slot with a dremmel and using a nut splitter

Connorefc · Jun 30, 2019

kevstar said:
Grind a slot in the threaded part & use a screw driver to undo them or drill a hole in the centre & tap an Allen key socket
& undo them or as above use a chisel.

Don’t think I will be able to get to the bolt head as that is behind roof rack clamp. Will have a look tomorrow thanks

kevstar · Jun 30, 2019

Connorefc said:
Don’t think I will be able to get to the bolt head as that is behind roof rack clamp. Will have a look tomorrow thanks

No worries a pic of the clamps would be useful.

steve2286w · Jun 30, 2019

First I’d try a dot punch or small chisel on the edge and turn it round with hammer, use release spray first

Connorefc · Jun 30, 2019

[GAL[/GALLERY]

steve2286w · Jun 30, 2019

Or a stillson wrench might bite into it

Connorefc · Jun 30, 2019

This is what happens when you secure stuff, there are 6 of these to remove. Don’t want to be in a position of buggering up one and deciding what can’t remove the rest

steve2286w · Jun 30, 2019

Is the screw thread part of the rack or just a replaceable bolt , if careful another option is to gring two flat screws on and get off with spanner , I use dot punch and or chisel on old nuts when they’re rounded off , very effective and don’t do much damage, once it’s starts to turn it’s away , doesn’t matter right you shag the shear nut

steve2286w · Jun 30, 2019

You can also get removable security nuts needs a special tool

Connorefc · Jun 30, 2019

steve2286w said:
Is the screw thread part of the rack or just a replaceable bolt , if careful another option is to gring two flat screws on and get off with spanner , I use dot punch and or chisel on old nuts when they’re rounded off , very effective and don’t do much damage, once it’s starts to turn it’s away , doesn’t matter right you shag the shear nut

It is a replaceable bolt, gring ?

steve2286w · Jun 30, 2019

Grind with mini grinder

kevstar · Jun 30, 2019

steve2286w said:
Grind with mini grinder

Looking at the pic I would use a grinder, id use a skinny stainless cutting disc.

dag019 · Jul 1, 2019

kevstar said:
Looking at the pic I would use a grinder, id use a skinny stainless cutting disc.

I would do the same, 1mm cutting disc on a grinder and just cut it flush with the clamp, then fit new bolts. I am assuming they are square coach bolts that slot into the rear leg.

Bobsticle · Jul 1, 2019

Well if I was nicking it, I’d just slit disc it down the centre of the bolt shaft until I hit the washer on both sides.
The remains of the shear nut would simply fall in half.

windy81 · Jul 1, 2019

screwdriver and hammer, hoping the screwdriver to bite in ?

dag019 · Jul 2, 2019

Bobsticle said:
Well if I was nicking it, I’d just slit disc it down the centre of the bolt shaft until I hit the washer on both sides.
The remains of the shear nut would simply fall in half.

If I was nicking it I would take the landy it is attached to as well, probably easier and quicker than cutting down the bolts

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