Buick35

35 Buick king pin question

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Hi,Probably a dumb question but is there supposed to be a cap or plug on the topside of my king pins? While greasing the front fittings while the fenders are off I noticed there were none. Thanks,Greg.If so,what size do I need,it's a 40 series?

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There are supposed to be dust caps on the top - on my '39, they are 1 inch diameter.  Might measure the top opening to be sure that is the same on your '35 special. I think I found them at NAPA. Might be called Freeze Plugs or Expansion Plugs - domed shape that you insert and center punch to expand and seal the top opening.

Edited by jvelde (see edit history)
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Is it a dust cap or is there a grease fitting that is supposed to be on the top of the king pin?  Can you take a picture?

Edited by Larry Schramm (see edit history)

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