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PostPosted: Thu Jul 07, 2011 12:34 pm 
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Replaced both track rods ends yesterday and went to get tracking done today but they cannot adjust as lock nuts seized on threads.
Might have to resort to garage but any suggestions as there are no flats on the track rod and mole grips just not holding.
Would garage be able to apply heat to free up - I know the tyre places used to but not allowed any more........
Thanks
Mike

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PostPosted: Thu Jul 07, 2011 1:58 pm 
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You managed to get the track rod ends off without moving the locking nuts?
If you have no access to a method of heating a darn good wire brush and a squirt of WD40, left over night, might work.

Other alternative is to take the track rods off again and repeat above, but at least you can get to both sides.
You could always hold the track rod end and then try and move the locking nut.


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PostPosted: Thu Jul 07, 2011 2:20 pm 
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Full Pressure Turbo
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a long while back, I had a similar problem on a 9000 (a '95 by coincidence)

I adjusted the tracking by either filing a little off the end of the trackrod, or adding a shim washer. Never did take that nut off.

Plan B, on another 9000 trackrod, use a nutsplitter to remove the seized one, run a die up the thread to clean off the rust, then refit a new nut. I think the thread is M14x2. Plenty of copperslip to keep the thread from rotting again.


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PostPosted: Thu Jul 07, 2011 3:40 pm 
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Hi Malc
You can back the locknut off but it turns the whole track rod - as the chubby nut hasn't moved and I used genuine Saab trackrod ends you wouldn't have thought it would need adjusting anyway - just screw them back on.
HILDEBIRD - I like your thinking with plan B.
I have booked it with local garage as they can MOT at the same time.
Shall we open a book on most likely failure? :mrgreen:

Mike

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1994 GM 900
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PostPosted: Thu Jul 07, 2011 3:42 pm 
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If WD fails and there is no other option,cut through the nut with hack saw,free off and reweld.

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PostPosted: Thu Jul 07, 2011 4:46 pm 
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Had the same problem with mine, used nut splitters to get the old nut off. Had a similar problem a short while later (new nut) with the ball joint turning but a mate managed to apply pressure from above to seat it so that I could loosen it.

Barry.

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PostPosted: Fri Jul 08, 2011 6:32 am 
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Yep - don't know why I didn't think of it - could use the Dremel and them chisel.
Does anyone know the thread size and pitch?
Regards
Mike

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1994 GM 900
1987 9000 16V S Turbo


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PostPosted: Fri Jul 08, 2011 4:34 pm 
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Mike9000Aero wrote:
Does anyone know the thread size and pitch?
Regards
Mike

HILDEBIRD wrote:
I think the thread is M14x2.


Have you tried winding it the other way to make it move? IF it looks like a battle of epic proportions is about to start on these, I use a pair of stillsons on the track-rod to hold it still. You should be able to get a long reach single hex socket on the nut (with the ball joint removed) plenty of WD40) and wind it off. Wire brush the threads and put it back on.

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PostPosted: Fri Jul 08, 2011 6:46 pm 
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Sorry - missed the thread size completely - not feeling too great - bad night. that's my excuse.
If I can get the nuts that would be my favoured route. I did try a gas power soldering iron with a torch adaptor - loads of penetrating, wire brush in drill. Stillsons might be an idea - tried opposite direction, tried shock treatment with big hammer. Nothing doing.

Mike

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9000 Aero 1995 in black
1994 GM 900
1987 9000 16V S Turbo


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PostPosted: Wed Jul 13, 2011 7:28 am 
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Full Pressure Turbo
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sorry Mike, failing memory, I gave you duff info on the thread size.

Last night I came across the die I bought specially for the trackrod cleanup and that confirms the actual size of a 9000 trackrod is M14x1.5


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PostPosted: Wed Jul 13, 2011 6:02 pm 
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Thanks for the update - M14/1.5 - thanks
Mike

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1994 GM 900
1987 9000 16V S Turbo


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