[AT] Slight Oil Leak

[LeRoy Price III]

Do I need another value cover gasket when I pull the value cover?

LeRoy


>From: "charlie hill" <chill8 at suddenlink.net>
>Reply-To: Antique tractor email discussion group 
><at at lists.antique-tractor.com>
>To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
>Subject: Re: [AT] Slight Oil Leak
>Date: Wed, 29 Aug 2007 17:14:07 -0400
>
>I don't think it's an expensive fix LeRoy.  Some times when oil is leaking
>things are not exactly as they appear to be. Pull off the valve cover and
>re-torque the head bolts then see what happens.
>
>Charlie
>----- Original Message -----
>From: "LeRoy Price III" <leroy_price3 at hotmail.com>
>To: <at at lists.antique-tractor.com>
>Sent: Wednesday, August 29, 2007 4:45 PM
>Subject: Re: [AT] Slight Oil Leak
>
>
> >
> > It wasn't until I torqued down the manifold bolts for the leak to start 
>in
> > the area of the head to block seal.  It was alright until then.  The 
>other
> > thing is that this was OK last year when I got it back from the rebuild.
> >
> > Why does this give me a bad feeling and I wanted to get rid of the darn
> > thing.  I gotta get out of this hobby.
> >
> >
> >>All of the oil that is in the heads of an Allis B engine are pumped up
> >>there
> >>externally and into a port on the distributor side of the engine.  From
> >>there the oil flows though a channel in the head casting and up through
> >>one
> >>of the rocker arm studs that is hollow.  It then runs down the inside of
> >>the
> >>rocker arm tube, over the valve train and then it drains back through
> >>holes
> >>in the head back to the inside of the block.  There are no oil passages 
>in
> >>the head on the manifold side.
> >>
> >>You need to pull the valve cover, check for leaks on the valve cover
> >>gasket,
> >>check to see that the oil is flowing back through the head into the 
>block
> >>without ponding up in the top of the head and re-torque the head.  If 
>you
> >>don't find the problem in one of those places then you have a head 
>gasket
> >>problem, a warped head or some problem with the top of the block.  There
> >>is
> >>no way that I can think of for oil to come out through the manifold stud
> >>holes.  If enough oil is getting by the oil rings to get into the 
>manifold
> >>and flow out around the manifold gasket then you should be getting oil
> >>blowing out of the exhaust pipe.
> >>
> >>Charlie
> >
> > _________________________________________________________________
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> > 
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