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thermostat housing nut stripped. How to? 200 1988

posted by  B.C. on  Mon Jun 24 18:27 CST 2002
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last visit: Wed Mar 28 22:28 CST 2012
[RELATED]

If the threads on the stud are stripped, follow the post from nkfro. If your problem is that the hex faces on the nut got rounded off, here's what I've done in the past, although it was on the nuts on a B23 crank pulley.

The proper size wrench is 10mm. Try a 6-point socket if one is available. Usually they are hard to find. Then try a 5/16 inch socket. Put it on an extension, leave off the ratchet handle. Turn the socket until it seems to want to grip, then hit the end of the entension with a hammer, not a lot but enough to get the socket on the nut a little. Then slip the ratchet handle on and try - keeping things very perpendicular.

You might also put so PB'Laster loosener stuff on the nut and let it soak several hours.

I have had no luck with Vise Grips on such a problem as in order to grip the rounded nut the grips have to be so tight that the nut is distorted into a stop nut and holds the stud even tighter.

Good Luck,

Bob

:>)






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