2000 A6 2.7T driveshaft removal
TonyEscobedo at hotmail.com
Mon Feb 27 12:16:00 PST 2012
Sears sells these bolt busters. Basically they are bolt head cutters. On these occasions just assume you'll replace them with new ones so it might be best to use a bolt head cutter and have them cut. As it starts to dig in. The bolt head will turn and then come out. Replace with new ones. The end.
Good luck and let us know.
On Feb 27, 2012, at 12:57 PM, Louis-Alain Richard <laraa at sympatico.ca> wrote:
> According to ETKA, these bolts are "bolts with hexagon socket, self locking,
> M8x48 mm".
> So, they are very probably "loctited" in there, hence your difficulties.
> Usually, they just need a good effort to start but that's it.
> Clean the hexagonal holes, buy a new good high-quality socket (or an
> L-shaped allen key), slip a length of tube over the handle of the ratchet,
> and crack them with a good push. In fact, they won't "crack", they will
> begin to move slightly and the resistance will diminish slowly after a few
> turns. It's the same feeling as when you're about to snap a rusted bolt :-).
> Heating the head should destroy the bond, but I doubt that sufficient heat
> will reach the Loctite that is 48 mm away from the source of the heat.
> -----Message d'origine-----
> The Allen head bolts on either end of the driveshaft refuse to budge.
> Before I get a bigger wrench and strip out the heads, are they installed
> with Loctite or something that would require heating? I was expecting to
> see Torx fasteners but they are regular Allen head bolts.
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