Date: Wed, 13 May 2015 16:02:56 -0400
Reply-To: "kenneth wilford (Van-Again)" <kenwilfy@COMCAST.NET>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: "kenneth wilford (Van-Again)" <kenwilfy@COMCAST.NET>
Subject: Re: Advice on TD engine problem
In-Reply-To: <CAAj276wop+7VFzV=nbG6c71M+vBFSdhzkQ9hpuKVdmDhewS=+A@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8
OK, I finally made some progress on this thing today. I was testing for
oil pressure at the head and also at the filter flange where a second oil
pressure sender was installed. I was seeing no oil pressure from either
place. However there is a third port on the center of the oil filter
flange that had a plug in it. I decided to check for oil pressure here and
I actually got some! I am thinking that I may have had oil pressure the
entire time in the lower end of the motor as it made pressure right away
and it pinned the gauge over to above 80psi! Then I installed another oil
pressure gauge at the head and started the van again. Now I can see full
oil pressure at the oil filter flange but zero at the head port. I pulled
the valve cover and the good news is everything up there looks fine and
dandy, however there is just a very small amount of residual oil up in the
top end. I cranked the engine over with the valve cover off and no new oil
came up into the head area. So my new theory is back to the idea that for
some reason, there is a blockage at the head that is keeping oil from
getting up into it. I looked at the tab on the head gasket and it is
toward the side of the engine toward the timing belt which is supposed to
be correct.
What do you think?
Ken
On Wed, May 13, 2015 at 12:56 PM, Ralph Meyermann <ralphmeyermann@gmail.com>
wrote:
> Progress?
> On May 12, 2015 11:21 AM, "Stuart MacMillan" <stuartmacm@gmail.com> wrote:
>
> > They owe you a free engine, or at least a really big discount on the next
> > one, to make up for your lost billable time.
> >
> > Stuart
> >
> > -----Original Message-----
> > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
> > Of kenneth wilford (Van-Again)
> > Sent: Tuesday, May 12, 2015 5:34 AM
> > To: vanagon@GERRY.VANAGON.COM
> > Subject: Re: Advice on TD engine problem
> >
> > I didn't let it run very long. 30 seconds max. This was after oiling
> the
> > motor with an air gun on the oil pump shaft.
> >
> > After ripping everything apart and putting it back together yesterday I
> > got a call from the engine builder. We had spoken to them earlier that
> my
> > Father and I thought that there seemed to be something wrong with the
> > length of the oil pump shaft or something related to it. It seemed to us
> > that the oil pump was not being driven by the vacuum pump. There was
> some
> > small damage around the slot in the bottom of the vacuum pump where it
> > drives the oil pump. The builder dismissed this as crazy talk as he was
> > looking at engines in their shop and couldn't find a problem... Until
> > yesterday afternoon when they figured out that there was a problem with
> > some of the vacuum pumps they had on hand. Supposedly the bottom of the
> > pump housing where is seats to the block is incompletely machined not
> > allowing the vacuum pump to seat all the way down! They are going to
> > machine the pumps they have on hand but I am going to try to mod the
> pump I
> > have here just to get this project finished. I just wished they had
> found
> > this problem before I spent an entire day trying in vain to figure this
> out.
> >
> > Hopefully I can grind a little off of the pump and get this van driving.
> > Wish me luck.
> >
> > Ken
> > On May 11, 2015 8:19 PM, "Walking Boss" <walkingboss@communicomm.com>
> > wrote:
> >
> > > The diesels drive off the back side of the Gilmer belt, and the
> > > countershaft turns opposite to the gas engine. I would check the crank
> > > bearings, and cam journals after all this running with no oil
> > > pressure!
> > >
> > > Skipper
> > >
> > > Do the gassers and diesels spin the intermediate shafts and or oil
> > > pumps
> > >>
> > > opposite directions?
> > >
> >
>
--
Thanks,
Ken Wilford
John 3:16
www.vanagain.com
|