[s-cars] Bad time to work on driveshaft

[Dave Kase]

Yes, me too.  These guys do nothing but drivetrain stuff.  Mshar is a 
company in Harrisburg, PA - they do it all.

I bent the driveshaft in my 1980 full size Blazer years ago (on a US 
Army tank trail).  There were about 50 different driveshafts for a 1980 
Blazer which made finding a used one quite difficult.

I went to Mshar at 8am on a Saturday.  I asked what day I could pick it 
up, they said 'come back in 2 hours'.   They cut the ends off my old one 
and welded them on a new tube and balanced it. All for about $100.

Kase


chris chambers wrote:
> Wayne;
>
> local to me is a shop that specializes in springs and driveshafts.
> Most of the work they do is on big equipment, think farm implements
> and big rigs.
>
> Seems to me there has to be a company like that near you that could
> test out your driveshaft to see what the problem is.
>
> If you don't see anything in the phonebook start by calling the
> companies that sell/service large farming equipment, the accessories
> for the tractors are quite often run using driveshafts.
>
> Just trying to help
> Chris
>
>
> --- Wayne Dohnal <wd42 at hevanet.com> wrote:
>
>   
>> If you're thinking of working on your driveshaft you might want to
>> put it 
>> off for a couple of months.  Every rebuilder I located (Powertrain 
>> Industries, Driveshaft Specialists, wholesaleimportparts.com) has no
>> S-car 
>> driveshafts available, and cannot rebuild most Audi driveshafts
>> because they 
>> used up their stock of CVs, and the replacements are backordered. 
>> One of 
>> them guessed for me that it will be at least a month.  If they don't
>> use the 
>> CVs from their own supplier, there's no driveshaft warranty.
>>
>> The ordeal started when I decided to replace the center support and
>> front CV 
>> on my driveshaft as others have done.  After doing this and
>> reassembling the 
>> car, the driveshaft vibrated like crazy.  I pulled it back out and
>> took it 
>> to a driveshaft place.  They were unable to balance the center and
>> diagnosed 
>> the problem as a bad center u-joint (the non-replacable staked-in
>> one). 
>> It's got end play.  I didn't realize that a u-joint would fail in
>> this way. 
>> Now that I know what to look for, it's obvious.  My next step was a
>> rebuilt 
>> driveshaft (not!), which after looking at the rebuilders' web sites
>> one 
>> would think is readily available.
>>
>> If I was able to start over, I'd order a rebuilt in the first place
>> and not 
>> taken the car apart until I actually had it.  There's at least a
>> suggestion 
>> here that the useful life of the center u-joint is 200k miles, which
>> the car 
>> is very close to.  If anybody is looking for a deal on a driveshaft
>> CV with 
>> about 5 miles on it, contact me.  I've also got the brand new center
>> bearing 
>> but, alas, I don't think it can be pulled off without destroying it. 
>> A 
>> couple of people have kindly offered to let me have or borrow a used 
>> driveshaft but I don't ever want to be having to do this job again. 
>> I may 
>> very well leave the old gal in drydock until I can get the driveshaft
>> fully 
>> rebuilt.
>>
>> Wayne Dohnal
>> 1994 S4 
>>
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>>     
>
>
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>
>
>
>       
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