[V8] Engine Trouble (v6 - but still Audi)

Jason Wilkerson wilke_jb at yahoo.com
Fri Oct 23 11:39:38 PDT 2009 

Yeah, I wish I could charge her.  This one is a long storied freebie - I'm getting way too many of those lately.  I even warned her not to buy the car!  I need to be meaner I think.  In her defence, it was a busted seal between the oil cooler and block - not really her fault as she had checked the oil last week.  

--- On Fri, 10/23/09, Seamus O'Carey <cheshirecatsbox at gmail.com> wrote:

> From: Seamus O'Carey <cheshirecatsbox at gmail.com>
> Subject: Re: [V8] Engine Trouble (v6 - but still Audi)
> To: V8 at audifans.com
> Date: Friday, October 23, 2009, 2:16 PM
> AND you can just fix it and charge
> her for a new motor anyway!  Kidding of
> course.  :P
> 
> But yeah, it's too bad she didn't have an actual oil temp
> or oil pressure
> gauge.  What I've always been told is that the lights
> are really just an
> "idiot light" in that it says, "hey, you've just been an
> idiot and destroyed
> your motor", meaning once its flashing it's often too late
> anyway.
> 
> On Fri, Oct 23, 2009 at 11:10 AM, Jason Wilkerson <wilke_jb at yahoo.com>wrote:
> 
> > Yeah, thats what I'm afraid of.  She says 'the
> light only blinked on for a
> > second' - you always get a different story then what
> really happened.  I
> > have already told her that more than likely the motor
> is toast - that way if
> > I do find something simple that fixes it, it will be a
> pleasant suprise!
> >
> > --- On Fri, 10/23/09, Seamus O'Carey <cheshirecatsbox at gmail.com>
> wrote:
> >
> > > From: Seamus O'Carey <cheshirecatsbox at gmail.com>
> > > Subject: Re: [V8] Engine Trouble (v6 - but still
> Audi)
> > > To: V8 at audifans.com
> > > Date: Friday, October 23, 2009, 2:07 PM
> > > I  have a '93 90 with a 2.8L V6
> > > that has a nuked motor.  It was driven
> until
> > > the oil buzzer went off (and in this one the oil
> temp gauge
> > > maxed out).  I
> > > just pulled the intake manifold off a couple days
> ago and
> > > found that it had
> > > gotten hot enough in just a few seconds that both
> of the
> > > knock sensor
> > > housings had actually melted when the temp came
> up that
> > > high.  I'm guessing
> > > if it was that hot then there's some even worse
> things
> > > going on inside the
> > > motor, but I haven't had a chance to pull the
> rest of the
> > > motor apart yet.
> > >
> > > Anyway, it's hardly scientific, but it looks like
> if the
> > > buzzer was going
> > > off, then it's quite possible that the motor
> could have
> > > been hot enough to
> > > do some major damage.
> > >
> > > Seamus
> > >
> > > On Fri, Oct 23, 2009 at 10:46 AM, Jason Wilkerson
> <wilke_jb at yahoo.com
> > >wrote:
> > >
> > > > Ok, Lets see if I can remember all the
> replies and
> > > answer them all.
> > > >
> > > > Scott P.:
> > > >  - Timing belt good - I know cause I
> checked that
> > > first - actually replaced
> > > > 10k ago.
> > > >  - Fuel pressure at the rail - not sure
> the
> > > injectors are firing and not
> > > > sure how to check?
> > > >  - I know it is getting spark -
> remember, it will
> > > run for a bit on starting
> > > > fluid, but only until it uses the starting
> fluid up -
> > > almost like it isn't
> > > > getting fuel - my thought on that was that
> was one of
> > > the following:  Either
> > > > the engine is so low on compression that it
> will only
> > > run on something more
> > > > volitile than gas, or it actually isn't
> getting fuel,
> > > but again, I know it
> > > > is getting to the rail.
> > > >
> > > > Scott D.:
> > > >  - I know what you mean about
> destroying the cams
> > > and crank - thats why I
> > > > can't understand why it won't run - at least
> for
> > > awhile until the knocking
> > > > gets too bad (if it is ruined).  I
> don't think
> > > the crank is ruined for the
> > > > reasons listed below.
> > > >
> > > > 7013885254:
> > > >  - It doesn't have a gauge for the oil
> pressure,
> > > but it does have a light
> > > > and warning buzzer.  I watched the
> light go out
> > > after I cranked for about 5
> > > > seconds.  Then I would leave the key on
> to see
> > > when the light would come
> > > > back on - it took a good while 10 seconds or
> so - that
> > > tells me that the
> > > > crank and cam journals aren't bleeding too
> bad.
> > > At least that is my
> > > > experience.  This also makes me wonder
> if there
> > > is a safety system on this
> > > > car the cuts fuel if there is no oil
> pressure?
> > > Any one have BTDT?
> > > >
> > > > I'm starting to wonder if this thing got hot
> enough in
> > > the head to cause
> > > > the valves to stick and then get bent. 
> If I look
> > > in the oil cap hole, the
> > > > inside of the motor is super cruddy.  I
> am going
> > > to do a compression check
> > > > this weekend, then may pull the valve covers
> to see if
> > > I can see if any
> > > > vavles are bent - looking at the lifter as
> the cam
> > > lobe isn't engaged.  I'll
> > > > see what I find there.  Thanks for all
> the help
> > > and suggestions - any other
> > > > ideas are much appreciated.
> > > >
> > > >   Thanks again,
> > > >           
>   Jason
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
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