Knock-on thread...

PostPost by: john.p.clegg » Sat Oct 21, 2006 9:51 am

Morning all
Recently I have had a front wheel loose,presuming it to be the bearing or top ball joint got down to investigate only to find that the spinner had worked loose and elongated the peg holes and worn the pegs,no problem I thought and duly made-up and fitted some new pegs then tried whacking the spinner to tighten things up....It was tight!....on further investigation there appeared to be no thread left to tighten so using an old spinner turned down still wouldn't tighten.....the problem seems to be that the hub has "fretted" maybe 1/16th inch, so now the spinner will not tighten the wheel onto the hub,until I pick up a new hub (see you all at Stoneleigh) the temp. fix has been to make-up a large thin washer with holes in it to clear the drive pegs and place this between the wheel and hub....all O.K. so far...
But,what is bugging me is...how much thread is spare when the knock-on spinner is tightened? Surely more than 1/16th inch....

John :wink:
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PostPost by: Emma-Knight » Mon Oct 23, 2006 3:02 pm

:shock:
a loose spinner would also lead to an oversized central hole,
not giving any chance for the spinner to settle. :!: (diameter and flange shape)
Second: could it be Your wheel was "could shaped" by too much spinner tightening? So wheel out of shape, not spinner or hub? The sheet metal
central section would be the weakest point in this arrangement.

Anna
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PostPost by: wildoliver » Mon Oct 23, 2006 3:20 pm

Might be worth trying your spare wheel on instead?

Also I know a chap In derbyshire who may have a +2 hub.
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PostPost by: 1964 S1 » Tue Oct 24, 2006 3:10 am

You could spray paint the threads on the hub, mount a wheel tight, take it off, and see how many threads are left untouched. I'm guessing it's a wheel wallowing/collapse problem. A slightly loose wheel can become unusable forever due to some fast wobbly miles on a windy road. Some cannot be retightened properly. I believe it was on this site where I learned to check wheel nut tightness regularly AND after the car has been sitting. I know my +2 can mysteriously loosen its nuts (and pass gas) while sitting still for a few weeks.
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PostPost by: mac5777 » Tue Oct 24, 2006 8:03 am

After reading these post I used my knockoff tool and a torque wrench set at 200 ft/lbs of torque and surprised, I got a little movement on three wheels. So it is good advice to check them from time to time.

Sarto
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PostPost by: andyhodg » Tue Oct 24, 2006 6:50 pm

Hi
I had a similar thing happen and it turned out that the centre of the steel wheel had depressed and allowed the spinner to bottom out on the threads. A new hub won't help I just used that wheel as a spare (with a spacer) until I could afford to fit a set of alloys.

Good luck

Andy
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PostPost by: elanman3 » Thu Oct 26, 2006 12:25 pm

Similar to Andy one of my alloy wheels has a larger centre hole, although it still tightens. Again like Andy, I try to keep it as the spare.

Regards

Colin
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