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Car Forum / Nissan / Nissan Cars / January 2007

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broken transmission bolt

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blackhammer35 - 15 Jan 2007 22:37 GMT
The last mechanic who did the transmission fluid change on my 95 manual
shift 200sx used some kind of adhessive to the bolt that you unscrew to
add new transmission fluid so that it won't unscrew, and the edges of
the bolt have become warped so that my socket wrench can't grab them.
Anyone have any ideas about how I can get it off?
Steve Parker - 15 Jan 2007 23:05 GMT
> The last mechanic who did the transmission fluid change on my 95 manual
> shift 200sx used some kind of adhessive to the bolt that you unscrew to
> add new transmission fluid so that it won't unscrew, and the edges of
> the bolt have become warped so that my socket wrench can't grab them.
> Anyone have any ideas about how I can get it off?

Visegrips may work.
Sparky
JimV - 15 Jan 2007 23:22 GMT
> The last mechanic who did the transmission fluid change on my 95 manual
> shift 200sx used some kind of adhessive to the bolt that you unscrew to
> add new transmission fluid so that it won't unscrew, and the edges of
> the bolt have become warped so that my socket wrench can't grab them.
> Anyone have any ideas about how I can get it off?

Are you using a 6 point socket?
al - 16 Jan 2007 01:20 GMT
Snap-on, and possibly others too, make flare nut wrenches that are
specifically made to work better with rounded bolt heads.  The corners
have indentations that cause the torque to be applied to the flat of
the bolt head and not the corners.  Visegrips are an absolute last
resort as they will certainly bugger up the hex head of the bolt.
Definitely try the six point socket first.  Good luck.  Al
> > The last mechanic who did the transmission fluid change on my 95 manual
> > shift 200sx used some kind of adhessive to the bolt that you unscrew to
[quoted text clipped - 3 lines]
> >
> Are you using a 6 point socket?
Chuck Tribolet - 17 Jan 2007 05:42 GMT
Flare nut wrenches are somethinge else.  They are for removeing the nut
at then end of a tube (typ. brake line), have a slot to get over the tube, and a large OD so
the wrench doesn't cam open.  Snap-On does make the best I've seen (BIG OD).

The OP needs a 6-point socket or 6-pont box wrench.

If that doesn't work, a cat-o-nine-tails on the prior mechanic.

> Snap-on, and possibly others too, make flare nut wrenches that are
> specifically made to work better with rounded bolt heads.  The corners
[quoted text clipped - 9 lines]
>> >
>> Are you using a 6 point socket?
blackhammer35 - 20 Jan 2007 21:22 GMT
No, there isn't a need to use a socket.  You're just supposed to stick
a socket wrench in there and it fits.
> > The last mechanic who did the transmission fluid change on my 95 manual
> > shift 200sx used some kind of adhessive to the bolt that you unscrew to
[quoted text clipped - 3 lines]
> >
> Are you using a 6 point socket?
 
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