[Vwdiesel] Initial Diagnosis: 1998 VW TDI Jetta

[Stephen Kraus]

James:

They didn't try a pullstart, it ran until it got outside the shop, and next
time they tried to start it it wouldn't crank. The shop is a TDI/VW/Audi
only shop and they told him to take NO further action. No bent rods here,
they all look good.

Cylinder walls are glazed, so I'm going to have to de-glaze and re-hatch.
Otherwise, no damage to speak of.

It has 206k on it right now. I am currently de-coking the pistons with oven
cleaner

On Sat, Jan 8, 2011 at 10:05 PM, James Hansen <jhsg at sasktel.net> wrote:

> Well, that's pretty cool. Cylinder walls are unscathed, or are they scored?
> How many miles on the engine Stephen?
> Be sure the piston height is the same as it's neighbours.  If the gasket
> was
> leaking, and the PO hydrolocked it on more than one occasion, if he tried
> hard, say pullstart or something high powered, there may be a bent rod.
> -james
>
> -----Original Message-----
> From: vwdiesel-bounces at vwfans.com [mailto:vwdiesel-bounces at vwfans.com] On
> Behalf Of Stephen Kraus
> Sent: January-08-11 1:46 PM
> To: dieseltdi at verizon.net
> Cc: vwdiesel at vwfans.com
> Subject: Re: [Vwdiesel] Initial Diagnosis: 1998 VW TDI Jetta
>
> James: The spot did not change, it stayed constant in one position, I could
> turn the crank back and it would freeze. I had already set the cam to TDC
> as
> well.
>
> Discoveries made today:
>
> Head pulled, good condition, no dropped valves and no foreign debris.
> HOWEVER, excessive oil in the #2 cylinder, I believe it was there before I
> pulled the head. The #2 piston also has heavy coking from oil consumption,
> #3 had some minor coking as well, #1 and #4 looked clean. I am beginning to
> suspect the head gasket was leaking oil into the piston and caused it to
> hydrolock due to oil. Otherwise, once head was pulled the engine does a
> complete 360 stroke without issue.
>
> On Fri, Jan 7, 2011 at 9:22 PM, <dieseltdi at verizon.net> wrote:
>
> > Sounds like a a dropped valve or a broken glowplug.  You may be very
> lucky.
> >  Hayden
> > On Jan 7, 2011, at 9:05 PM, Stephen Kraus wrote:
> >
> > > Well as you all know I purchased a 1998 Jetta TDI for $600, siezed
> > engine.
> > >
> > > Well after initial look over, the engine turns freely one way, and the
> > other
> > > until it hits something. This is looking better and better
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> >
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