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Re: The answer (Was: Is an Ur-q I5 an interference engine?)
"Jim Haseltine" <Jim@ur-q.freeserve.co.uk> wrote:
> ----- Original Message -----
> From: Ken Keith <email@example.com>
> > firstname.lastname@example.org (Phil Payne) quoted:
> > >
> > > Check those timing belts, folks.
> > I thought this happened from shearing the crank key? Did the
> > crank key shear because the cam stopped and the pistons didn't,
> > due to the timing belt breaking?
> Should have read 'and the crank bolts too'.
> We all know about Monkeylads over-tightening nuts with their air wrenches -
> well, these guys didn't go far enough. 2 years and a different owner later
> the crank bolt had worked its way down to finger tight.
> Loose crank bolt = loose pulley = damaged key
> leading to open-wallet surgery.....
> Jim Haseltine
So, it wasn't really due to a worn or broken timing belt. I suppose
it would be prudent to check the torque on the pulley, if one's not
going to be replacing the belt anytime soon, especially if the car is
new to you or someone else has recently done work.