Date: 6 Oct 2005 21:48:00 GMT
From: Dave Hinz <>
Subject: Re: bottom shock mount on C900 a-arms

On Thu, 6 Oct 2005 21:34:51 +0000 (UTC), Craig's Saab C900 Site <> wrote: > Dave Hinz <> writes: > >>Craig, someone must have a lower a-arm. If the threads are stripped, >>for a shock, I'd rather replace the a-arm than to improvise. > Yeah I know they're easy to get since there are a few European wreckers here > in Sydney so there will be some C900's around waiting to be stripped. > Getting new bushes is trivial. I'm surprised that the thread for the shock > mount has appeared to have stripped so easily - I set my torque wrench to > the right setting (around 60 ft/lb if I remember what I read in the Bentley > book two days ago), and it would have got to about 40. Well, that's a _very_ rust-inducing location right there. The nut probably got somewhat stripped last time it came off, which then munged the threads, which made the rust worse, ... > The nut can't be > removed with finger pressure and a spanner will turn it but it needs a fair > degree of force. It's just not moving anywhere, though I guess there is some > bush lube, etc. gunked into the thread otherwise I should have been able to > see little bits of metal around the outer side of the nut where the thread > of the 'bolt' on the a-arm comes out. hmmm Well, at this point you've got nothing to lose by putting a deep socket and air-wrench on it, see if you can at least get it off that way so you can evaluate that thread. > I'm hoping that the a-arm doesn't have to be replaced and just for a dudded > thread it's a bit radical but since the lower shock mount is fairly > important (!), that pushes it up the priority scale. Yeah, suspension is way up there in "things not to improvise". Or Improvize, even.

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