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Re: Just for Neil
Posted: 19 Sep 2011, 17:45
by axeman
i take it that this mullers the crank so effectivly scraps the engine? and not the first time this has happend to an aaz. is there something that can be done to prevent this happening?
neil
Re: Just for Neil
Posted: 19 Sep 2011, 18:13
by jebiga41
Doesn't just happen to AAZ's have seen it on JX's as well .There are meant to be a few solutions one being the drilling and insertion of dowels and also grinding down the end of the crankshaft flat to take a TDI sprocket or changing the crank to one from a TDI and also just replacing the sprocket and bolt when doing an engine installation seems to help delay this happening
Re: Just for Neil
Posted: 19 Sep 2011, 20:44
by lhd
From what I gather they re-designed the bolt and pulley to stop this from happening, whether it was either or both I'm not too sure but I replaced both as a precaution.
Rob.
Re: Just for Neil
Posted: 21 Sep 2011, 09:57
by silverbullet
Does the bolt have a "Belleville" type washer, like on a wbx? I noticed that on one of mine it was distinctly flat (not dished) so wouldn't have had any tension when torqued up.
Wouldn't a thorough degrease and use of threadlock avoid all this aggro?