Removing bits of the rear tub?

110 csw rear tub - I need to get the z section out that joins the 2nd row foot wells to the higher level of the rear tub.

This bit -



I've taken out the rivets and spot welds, but there are fasteners through, into the floor strengtheners, that *look* (from below) like they may be threaded?

These ones -



I can't tell for sure what they are really. This is the top side of them -



Now, obviously, I can take an axe to them, and they're going to move, but if I want to remove them (and, more importantly, replace somthing similar when the z section is replaced) what's my best plan?

Are they threaded? I can't find my left hand drill bits, but, if I could, I'd have tried drilling with them.

Like I say, getting them out isn't the hard bit. It's putting it back again that is what I'm thinking of.

Thank you.

rivets drill them out

julianf said:

110 csw rear tub - I need to get the z section out that joins the 2nd row foot wells to the higher level of the rear tub.

This bit -

View attachment 200670

I've taken out the rivets and spot welds, but there are fasteners through, into the floor strengtheners, that *look* (from below) like they may be threaded?

These ones -

View attachment 200671

I can't tell for sure what they are really. This is the top side of them -

View attachment 200672

Now, obviously, I can take an axe to them, and they're going to move, but if I want to remove them (and, more importantly, replace somthing similar when the z section is replaced) what's my best plan?

Are they threaded? I can't find my left hand drill bits, but, if I could, I'd have tried drilling with them.

Like I say, getting them out isn't the hard bit. It's putting it back again that is what I'm thinking of.

Thank you.

Click to expand...

As @jamesmartin has said, they are a steel rivet. If yours are anything like mine, they will be a pig! God knows what steel they were made out of, but in the end I ground the heads as far as I could, then clouted them a hammer and punch. This technique was a bit rough, but I wasn’t reusing my rear floor, or underseat crossmember, so it didn’t really matter too much to me what damage I done. I just needed it all apart.