Undoing crank pulley bolt?

(Posting back in my own thread)

It is undone!

I unscrewed it with my manly fingers it was loose in the threads. :pinch:


This is the new bolt





This is my car




This is what I did






I made 2 more cuts at 90 degrees above and below the bolt head.





And then it came out with my fingers, and the pulley just slipped off.





Unbelievable :pinch:

Mind you day 1 I was trying to save a tenner on the bolt....

facade wrote: (Posting back in my own thread)

It is undone!

You did well . And what a stupid design. That is going to weld itself to the pulley with rust.

Cheers,

In Whaley's damper pulley thread I agreed with 11/60 www.bigjimny.com/forum?view=topic&catid=...&limitstart=0#161355 that as I can easily shear an M12 by hand (especially with a 4 foot bar ;) ) it had to be something other than the threads resisting my efforts.

Should have spent the extra £10 on a new bolt and got the slitting wheel out last Thursday.

Just had a nice warm and a spot of lunch, then I'm changing the oilseal and reassembling with new belts and everything

Should be restored to full function by teatime

facade wrote: Cheers,

I expect the heat generated by the grinder will have helped. At least you had access to the blasted thing - I would design motors for ease of maintenance if I ruled the world. :laugh:

In case anyone wants a holding still tool, my verynear callipers reckon the hole spacing on the pulley is 74mm, I drilled two 9mm holes @ 74mm centres, and put the biggest drill I could find through the middle, it has to clear a 17mm socket.
The bolts are standard ISO M8 (1.25 pitch).

How long is the bar please?