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Old 04-07-2009, 06:51 PM   #1
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Rear Suspension Bolt/Nut size

When I put in the lowering springs I also bought the rear camber alignment bolts. The alignment guy wasn't real impressed with the bolts and needless to say the alignment sucked. Not sure if it was the bolts or the loose nut doing the alignment. :)

I've since bought some adjustable upper control arms which I want to put on over the Easter weekend. I already have new bolts coming as I had to cut all the lower ones out when I did the springs so I'm expecting similar results. The issue is that the nuts are welded on and to install the camber bolt kit you have to grind the welds and remove the nut on the the rear spindle. So I'm going to have some nice shiny new bolts and no nuts for the outter ends. :)

So does anyone know the size and pitch of the upper control arm bolts? Any good suggestion where I could find the ones with the built in flange/washer like most the existing suspension nuts.


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Old 04-08-2009, 02:32 PM   #2
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So today I find out our fastener engineer has all the Ford fastener specification books. I now have my own answer but I'll post for future reference:

2003 Focus ZTW
The upper control arm bolt is W500744 S309. This is an M12 X 1.75 X 65 mm Hex Flange Property Class 10.9.

So I see a nut for the lower control arm is W703016 S306. This turns out to be a M12 X 1.75 Hex Flange Nut. So this is what I have ordered to replace the long gone welded nut.
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