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Engine Specific Info and Questions => IDI Engine => Topic started by: TimpanogosSlim on April 27, 2014, 03:25:16 pm
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just noticed i hadn't bought a crank bolt for my rebuild.
I hear that the original 6 point (iic with captive spacer/washer) has been superseded by a 12 point, but i don't have a part number for that.
I know the diesel crank bolts are longer than gassers. GAP and autohausaz don't list a crank bolt for my car (84 jetta 1.6d).
I haven't gone and dug it out yet, but it sounds like it is up to 55mm long according to sources, that may include the spacer length.
Looks like one suggestion is the bolt for AAZ/1y/1z/AHU aka N90577101 -- 12 point skirted bolt, 47mm long, TTY at 60-some foot pounds
I could also just order a class 10.9 m14x1.5 55mm bolt and a thick washer / spacer from Fastenal and torque to the original 140-some ft/lb - this guy: http://www.fastenal.com/web/products/details/11113430
I know reusing the bolt is frowned upon for obvious reasons.
Opinions?
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Looks like one suggestion is the bolt for AAZ/1y/1z/AHU aka N90577101 -- 12 point skirted bolt, 47mm long, TTY at 60-some foot pounds
That's what I use on my 1.6TDs. AutohausAZ has them.
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Definitely use the newer bolt, that's what VW recommended to the dealer service departments. I would be hesitant to use anything but a factory bolt for those as failure has pretty severe consequences and I'd rather leave the engineering to an actual engineer in this particular case.
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Alright. I'll call the stealership in the morning.