[Vwdiesel] The importance to lining up oil pump gears with markings on ea...

[brian gochnauer]

I don't know if Andrew is still part of this list but I created this from
some web page I found a while back about a DIY injector nozzle tester.

http://www.wikifastsoftware.com/injectionnozzletesterdiy




On 10/6/09, Bryan Belman <dieselwesty at yahoo.com> wrote:
> OK, I will pull injectors today and have them all bench tested for $5
each.
>  I will pull the pan as well to look and see.  I agree, I had oil pressure
at all times, so I will go the easier route here.
>  I need to drop the fuel tank to replace the front section of cooling
pipe, so while the injectors are getting tested I can do this.  I will drain
the tank and put this in one of my other cars and will put a fresh 5 gallons
of fuel back in tank.
>
>  thanks, I will let you know when I get the oil pan off (again) this
weekend.
>
>
>   Bryan Belman, Pt. Pleasant, NJ
>  04 Jetta Wagon TDI PD, 100hp, 5sp -- running :)
>  92 Jetta 1.6 Eco-Turbo Diesel -- running :)
>  82 Diesel Westy 1.9NA -- running :}
>  70 Type 1 stock Beetle -- Not running :(
>
>
>
>
>  ________________________________
>  From: "LBaird119 at aol.com" <LBaird119 at aol.com>
>  To: vwdiesel at vwfans.com
>
> Sent: Monday, October 5, 2009 10:11:45 PM
>
> Subject: Re: [Vwdiesel] The importance to lining up oil pump gears with
markings on ea...
>
>
> In a message dated 10/5/2009 9:38:52 AM Pacific Daylight Time,
>  dieselwesty at yahoo.com writes:
>
>  > Injectors were new with the engine, these sounds seem like they are
>  > coming from deep down in the motor and with the oil pressure drop I was
seeing,
>  > that tells me main bearings have spun.
>
>    Frankly I've never seen a spun main, a few spun rod bearings though,
>  only a couple on the VW diesel and one was just rough, not spun.
>    Bad injectors sound like a gas engine rod knock.  Not that you couldn't
>  have a bad bearing but it takes pretty much NO oil pressure rather than
>  LOW oil pressure to damage a rod bearing on these engines and the
>  mains are tougher to damage yet!
>    My dasher oil light came on and registered basically no oil pressure
>  at idle, when warm, with the turbo (and my added piston cooling.)
>  Ran it for thousands of miles that way and never a problem.  No pressure
>  doesn't mean no oil, it just means no pressure, there's still flow and I
>  knew oil was pumping, still flowing, still had SOME pressure so I ran it
>  and never a problem.
>    If you can make it knock without driving it then I'd crack injector
lines
>
>  one at a time and see if it stops it.  Even so you could do the same
>  for a very short run while driving and not make much mess.  You could
>  at least identify which cylinder/injector it is.  Maybe your pressure
>  relief has something stuck in it and that's dropping the pressure?
>  There ARE some less than catastrophic scenarios that would explain
>  the problems, hopefully one of them is right instead. : -)
>      Loren
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