Question about 1990 Nissan Stanza
My problem is that the center nut (which the cotter pin is removed for), won't loosen up. The nut is a 36mm and I am turning counter clockwise, but the thing won't budge. I have tried extending the leverage w/ a longer poll but nothing happens.
Any tips or ideas for this hell?
Some of these nuts require some heat from a torch to break free, heat up the nut only to expand the metal without burning anything. If replacing the axle, a new nut should come with the axle because some of them are one time use only. Best of luck. Keep me posted please.
Posted on Apr 25, 2009
Usually the torque spec for those nuts is pretty high, and they suffer from what I call "environmental torque" as well (exposure to the elements and to heat cycling that can cause it to seize). Your best bet first off to try, is to spray it down with PB Blaster several times, with maybe 15 minutes between sprays. This will keep it doused and allow it to penetrate. If you have some, or can get some, a penetrating oil like Deep Creep can work even better, as it can get down into gaps a millionth of an inch in size.
If that doesn't work, many tool rental places can rent you an electric impact gun for maybe $20/day or so. Something like that, which can give you an instantaneous blast of strong torque, can often break a stuck nut free. You can also put a flat-blade screwdriver against each flat side of the nut, one at a time, and whack the screwdriver handle with a hammer - sometimes this can break the seizing free.
At this point, you're down to chemical penetrants and brute force. I've found that one or more of these methods usually works for me.
Posted on Oct 20, 2008
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