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Date:         Wed, 30 Jun 2010 16:15:45 -0500
Reply-To:     Ry <rylincoln@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Ry <rylincoln@GMAIL.COM>
Subject:      Re: Oil leak since rebuilt 2.1l installed
Comments: To: Scott Daniel - Turbovans <scottdaniel@turbovans.com>
In-Reply-To:  <051701cb1898$ae37cfe0$6401a8c0@PROSPERITY>
Content-Type: text/plain; charset=ISO-8859-1

yes, i meant to mention the smell test as well. the mt-90 i used was rather red in color also.

Will try the crankshaft jerk/pull when i get home after things cool off and report back.

-Ry

On Wed, Jun 30, 2010 at 4:10 PM, Scott Daniel - Turbovans < scottdaniel@turbovans.com> wrote:

> hi Ry, > just for funzies... > grab the crankshaft pulley and try to push it in and out........ ..engine > off of course ( and no one sitting in the driver's seat either ) > checking for end-play. > there shouldn't be any easily detectibible end-play. > > not likely that it'll move excessively, but it's a simple test that by > remote chance could reveal something. > > usually you can tell gear oil from engine oil by smell. > the Redline MT-90 gear oil I'm using lately seems engine oil colored, more > or less. > > > ----- Original Message ----- > *From:* Ry <rylincoln@gmail.com> > *To:* Scott Daniel - Turbovans <scottdaniel@turbovans.com> > *Cc:* vanagon@gerry.vanagon.com > *Sent:* Wednesday, June 30, 2010 1:23 PM > *Subject:* Re: Re: Oil leak since rebuilt 2.1l installed > > Thanks for the free brain cycle time :) > > The reason I *think *I know it's not transmission oil is color, i have > that redline synthetic and that as you probably know, has a definitive color > to it. > > I'll drop the trans next time i have a 4 day weekend to spare and some > spare parts. > > flywheel was preinstalled, i certainly hope it was properly installed but I > should check it. i've never done a rear main seal job. I've done seals > when changing wheel bearings. > > > carry on, > > -Ry > > On Wed, Jun 30, 2010 at 2:46 PM, Scott Daniel - Turbovans < > scottdaniel@turbovans.com> wrote: > >> hi, >> it was clear you were talking about the engine-transmission junction area. >> >> yeah, there shouldn't be a drop there with a fresh engine. >> and if you're sure it's engine oil.. .. Just because trans is rebuilt >> that doesn't mean 'for sure' it can't leak some there . >> In my brain I never think 'oh that's new, can't be that' .. >> I think the opposite ...that was just worked on ....the problem could be >> there . >> I always go for the most recent work when there's an issue ...I often find >> 'the issue' there. >> >> things that come to mind if it's engine oil - >> rear main oil seal of course. >> anything to do with end play of the crankshaft and that whole end-play >> shim/rear main seal area. >> >> oh ...here's one..........I've seen this one ...no lock-tite on the >> flywheel bolts ....oil will gradually migrate up the threads of the flywheel >> bolts if there is not a sealant or lock-tite on the bolt threads. They >> should always bet lock-tited in of course. >> there's an o-ring on the crankshaft side of the flywheel...that's gotta be >> there. >> >> anything to do with crankcase pressure and not venting/relieving pressure >> properly. >> Waterboxers seldom have that problem ...but the oil tower ...there are >> moving parts in there... >> spring and some other part ...if that was all clogged up , could be a >> factor. >> >> doubt it's the oil itself, but consider that....brand, grade, and >> viscosity. >> >> but if the engine is new ... >> it sure shouldn't do that. If it did that in a year say ...mabye ok, >> but new.....shouldn't be an oil drop there. >> it should be either ... a seal issue, or what the seal seals against >> .....or breather/crankcase pressure issue. ...somewhere in there. Even >> excessive main bearing oil clearnce could cause it. Or cheap rear main >> seal. The good ones are all red, or have a red lip where they actually do >> the sealing ...the all black ones are not so hot, but they should work find >> for a while . >> If it was mine, I'd be taking the trans or engine out to look at things >> very carefully, much as one hates to do that over one small drop. >> >> Scott >> www.turbovans.com >> >> >> >> ----- Original Message ----- From: "Ry" <rylincoln@GMAIL.COM> >> To: <vanagon@GERRY.VANAGON.COM> >> Sent: Wednesday, June 30, 2010 11:59 AM >> Subject: Re: Oil leak since rebuilt 2.1l installed >> >> >> >> when i say rear of engine i mean where it mates up with the transmission, >>> oil pump is on the "front" of the engine. sorry for the confusion, I >>> still >>> think of the engine seperate from the van so i don't get confused on >>> front >>> and rear designation. >>> >>> Definitely not transmission oil, i have a rebuilt trans too, replaced at >>> same time as engine. >>> >>> No oil on the engine lid, only on the bottom of the engine where >>> transmission and engine meet at the center of the case. >>> >>> I'm not calling out the rebuilder on the list, that would be poor form, >>> but >>> I didn't rebuild it, was professional rebuild. >>> >>> this is the area where it drips once or twice when stopped. >>> >>> http://picasaweb.google.com/lh/photo/3L4SAvf39FK2iLzL_frNBw?feat=directlink >>> >>> -Ry >>> >>> >>> On Wed, Jun 30, 2010 at 1:27 PM, Scott Daniel - Turbovans < >>> scottdaniel@turbovans.com> wrote: >>> >>> 'carry on' ...lol. >>>> >>>> make sure it's not transmission oil ...could be. >>>> >>>> if it is engine oil... >>>> no, should not have a slow leak or any drips there. >>>> I'd say the only acceptable level of leak there would be one drop of oil >>>> sitting on the engine ..at the most ...and no drops on the ground ... >>>> shouldn't have that with a new engine. >>>> >>>> >>>> ----- Original Message ----- From: "Ry" <rylincoln@GMAIL.COM> >>>> To: <vanagon@GERRY.VANAGON.COM> >>>> Sent: Wednesday, June 30, 2010 9:59 AM >>>> Subject: Oil leak since rebuilt 2.1l installed >>>> >>>> >>>> >>>> So, I'm not terribly worried about this but am interested in the >>>> opinions >>>> >>>>> of >>>>> the hive mind here. I installed a rebuilt 2.1l engine ~3,500 miles >>>>> ago. >>>>> Pretty much since the beginning there has been a slow oil leak from the >>>>> rear >>>>> of the engine. I assume it's the rear main seal(what else is back >>>>> there? >>>>> It's not enough to warrant needing to add oil between oil change >>>>> intervals, >>>>> there are maybe 1 or 2 drops of oil on the ground when parked for >>>>> several >>>>> hours. >>>>> >>>>> Oh no woah as me, I know.... this is NOT a major problem, but I sure >>>>> would >>>>> like to have NO oil leaks, is this unreasonable? Do many people have >>>>> little >>>>> leaks they just ignore? >>>>> >>>>> I reckon I'll just live with it for now. I have an oil pressure gauge >>>>> and >>>>> oil temp gauge along with an external oil cooler so I should get warned >>>>> quickly of any lubrication troubles. >>>>> >>>>> carry on, >>>>> -Ry >>>>> >>>>> >>>> >>>> >> >


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