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Anybody know the size of the pinch bolt? : - [

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Old 06-27-2008, 05:14 PM
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Default Anybody know the size of the pinch bolt? : - [

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Old 06-27-2008, 05:29 PM
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Default Yikes!

Don't know the size unfortunately, but a couple of questions... Did you remove the big collar bolt in the hub first? Secondly, are you <i><b>sure</b></i> you need to be messing with the wheel bearing? The troll is actually right that it needs to be pressed out via a hydraulic press at a shop. I suppose you can just bring the housing in to them. But getting the front housing out is no picnic to be sure. :-(
Old 06-27-2008, 05:34 PM
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Default I'm taking the car to my tech. I'm not messing with it now.

In the meantime, Yikes! is right.
Old 06-27-2008, 05:36 PM
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Default Good idea.

I was starting to wonder how you were going to detach the ball joint too. It's a PITA without the proper tools.
Old 06-27-2008, 05:40 PM
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ahh yes the beloved pinch bolt, dont be hard on yourself it happens to the best of us lol
Old 06-27-2008, 06:04 PM
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Default

search for the C-Clamp solution.
Old 06-28-2008, 04:36 AM
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Default The end is broken off, the C-clamp would have nothing to push.

I still need the correct size of the pinc bolt in order to replace it. I guess I could just go to Lowe's and get a similar 16mm nut with corresponding bolt of the same size.
Old 06-28-2008, 04:38 AM
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Default Re: Good idea.

I did get a wheel bearing puller. The problem started when the small part of the wheel bearing came off with the hub. Otherwise the job was doable.
Old 06-28-2008, 04:35 PM
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Default Ahhh, I know what you're saying

That happened to me before with the inner ring sticking on the spindle. I had to use a cutting wheel on my Rotozip to cut it off. Painful memories coming back to me...
Old 06-29-2008, 03:51 AM
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Default here's what's worked for me on the pinch bolts (on my A4s)

I soak them in the requisite PB Blaster and then hit them with my impact wrench. That gets them broken loose and spining inside the housing. from there, a small punch and a hammer drives them right out. In rare cases I have to raise and lower the suspension to take the pinch off the pinch bolt.


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