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Re: Fulcrum Pin - Help

To: DLancer7676@cs.com, wolfbj@prodigy.net, spridgets@autox.team.net
Subject: Re: Fulcrum Pin - Help
Date: Fri, 31 Aug 2001 14:19:22 -0700
With the welch plug out, the trunnion cleaned and the threads restored 
(cleaned up and de-burred), you can pump enough grease through a NEW 
fulcrum pin to force it out the other end.  The pin is drilled and grooved 
for that purpose.

Clay L.


At 04:49 PM 8/31/01 -0400, DLancer7676@cs.com wrote:
>In a message dated 8/30/2001 9:49:51 PM Eastern Daylight Time,
>wolfbj@prodigy.net writes:
>
>
> > but I found when I removed the lower fulcrum pin that the forward threads
> > are worn out on one side.  The grease was rock hard on the forward end, and
> > upon inspection of the wishbone I cant really tell if there is any 
> damage to
> > the threads, etc.  Is there a way to check these threads, (can't find 
> thread
> > chaser (bolt etc.) that size.???  or would it be better to just replace the
> > wishbone???
>
>The wear on one side is common, I think, because the pin only moves in a
>short arc with all the weight of that corner of the car on the top side of
>the pin.  My guess is that the bushing is worn the same amount.  Sounds like
>the PO did not grease the fitting regularly, which would hasten its wear.
>The best fix, unless you really want to get into a big time job of alignment
>and silver soldering of bushings is to trade out the A-arms for rebuilt ones
>with new fulcrum pins.  A useful modification, when you get the rebuilt
>A-arms, if you go that route, would be to drill and tap the REAR bushing for
>a grease fitting so you can pump grease into the forward AND the rear
>bushings.  You were very lucky that you could remove the fulcrum pins that
>easily.  It usually takes cutting, heating, a BFH, and an act of God to
>remove them.
>
>--David C.



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