Rusted strut inserts

[john at westcoastgarage.net]

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> Subject:
> Rusted strut inserts
> From:
> DK <proleonk at gmail.com>
> Date:
> Mon, 30 Jun 2008 14:34:56 -0600
> To:
> quattro at audifans.com
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> To:
> quattro at audifans.com
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>Hi all,
>I finally got around doing the front and rear struts on my 4000, but
>have run into a major problem - the strut inserts are rusted in pretty
>bad. The car lived in Colorado for quite some time, but has no rust
>anywhere else. Looks like the previous owner/mechanic did not put any
>oil down the strut housing/tube and barely tightened the cap over it.
>I had it soak with several oils (liquid wrench, WD40 and other stuff)
>over night but no use. I tried turning it with a vice grip, tried
>hammering it out, but all no luck.
>I am considering putting a torch to it, but don't want to fatigue the
>strut housing. Are there any other options for me (besides getting a
>new strut housing)
>
>Dave
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I've read some of the replies, and I have a suggestion:  Install the top 
nut on the shock shaft, and firmly (REALLY firmly!) clamp the nut in a 
vise.  Using your handy dandy BFH, whack on the lower end of the strut 
along the axis, say at the point where the square portion is welded to 
the tube.  That should free it up.  Heat is your friend here, and it 
would be a good idea to use some as an enhancer.
Note, this tip is based on professional experience.  John


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