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A- Arm - Fulcrum Grease fitting

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blkcorvair

Jedi Knight
Offline
Okay so I rebuilt One side of my suspension. No Problem. The A-Arms I have are in Great shape, very lo mileage and the lower fulcrum pins are nice and snug. Now for the prom. The second A arm. Where the grease fitting threads into the end the threads were damaged. It looks like the fitting may be lead or Aluminum so Im sure if I try to force it it will quickly strip out. Any Ideas? I'd hate to toss out the whole A Arm. It is such a nice piece other than this. Also on both sides of the lower kingpin you have those cork gaskets. Anyone replace them with anything better? Know of where I can get them? Thanks All!
 
The threads are very fine and are prone to damage like you are seeing. One option is to switch the grease fitting end to he other side and use a expansion freeze plug on the damaged side. It may take some fitting but it only needs to hold the grease back so that it lubricates the lower fulcrum.
 
Does anyone know the thread size. Maybe I can find a steel threaded plug that I can coerce into place a drill and tap the center....hmm.
 
A custom made tap is probably going to cost significantly more than a new A-arm.

You can probably just pick up a new fitting.
 
I had a brainstorm that I can cut the end portion off an old a arm and tack it to the face of the one I am Trying to use. Or possibly a large this nut with a hunk of bolt cut and tapped for a grease fitting. Im a bit worried to weld this area though as I believe those are brazed in. I would hate to disturb them.
 
If you just need a fix, clean the threads up as best you can with a brush, chain saw file, and a sharp blade. Put some Permatex 2 around the grease fitting and muscle down on that thing. Those grease fittings are cheap. Much cheaper than a new a-arm. That fitting isn't holding anything together. All it needs to do is hold the grease in. It will probably last longer than the fulcrum pin will.
 
Grease Zerks come in different thread sizes, so you may just be able to drill and tap the old hole to accept a larger thread.
Jeff
 
GOT IT!!!

Its amazing when you step away from something long enough you can look at it with new light. I was able to change my approach. (Working earlier in the day with no Miller may have helped.) Never the less I was able to round out the housing and carefully repair the threads, There is a small chunk missing where I hit it with a screw driver last week but an other try at squeezing that fitting in and Presto. Put that bad boy in the blast cabinet and worked on finishing up the other side most of the night. works great! I cant wait to get this side all painted to go.
 
blkcorvair said:
Also on both sides of the lower kingpin you have those cork gaskets. Anyone replace them with anything better? Know of where I can get them? Thanks All!
Click to expand...

I lost those. I went to Princess auto and picked up a generic bag of assorted washers/seals. I ended up using larger foam washers that were the same thickness and inner diameter, but the outer diameter was bigger (big whoop).

n507304377_72438_2222.jpg


They're also blue, which is totally rad.

Also, I had the same problem about non-threading fittings... long story short, I forced them in.
 
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