

| Subject: | Re: Advice on TD engine problem |
| From: | Jim Felder |
| Date: | Wed, 13 May 2015 15:28:14 -0500 |
Ken, If by "tab" you mean the part of the gasket near the oil return boss that On Wed, May 13, 2015 at 3:02 PM, kenneth wilford (Van-Again) < kenwilfy@comcast.net> wrote: > 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 >
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