[T2] Fwd: [Q] Overheating

[David C Matthews]

The #3 valve got stretched.

David

On Wed, Sep 2, 2015 at 8:54 AM, Sami Dakhlia <sami.dakhlia at gmail.com> wrote:

> I'm gonna have to second Jim and Robert's take on this.
> Find the obstruction, change the oil, check and measure valve lash to
> see if the valves got stretched.
>
> On Wed, Sep 2, 2015 at 1:51 AM, Jim Denton <2thingswild at gmail.com> wrote:
> > For there to be so much heat inside the engine compartment that things
> are
> > smoking, to me would mean that the cooling system is non functional.  Is
> > something blocking the inlet of the fan? Are either of the pulleys
> > splipping on their respective shafts? Are the flaps stuck in the cold
> > position?
> >
> > You didn't have an engine fire that snuffed itself did you?
> >
> > On Tue, Sep 1, 2015 at 11:13 AM, <dcm7293 at gmail.com> wrote:
> >
> >>
> >>
> >> Sent from my iPhone
> >>
> >> Begin forwarded message:
> >>
> >> > From: Sami Dakhlia <sami.dakhlia at gmail.com>
> >> > Date: September 1, 2015 at 12:10:01 PM CDT
> >> > To: David C Matthews <dcm7293 at gmail.com>
> >> > Subject: Re: [T2] [Q] Overheating
> >> >
> >> > Some more thoughts:
> >> >
> >> > Check spark plug color: they should be brown or slightly black. If
> >> > they're grey, you may be running too lean.
> >> > Check timing at full advance.
> >> > Check valve adjustment.
> >> >
> >> >> On Tue, Sep 1, 2015 at 6:22 PM, Sami Dakhlia <sami.dakhlia at gmail.com
> >
> >> wrote:
> >> >> Thanks. So the oil is hot, but you will also want to know if the
> heads
> >> >> are too hot.
> >> >> Here is a link to something I wrote up a long time ago.
> >> >> http://www.type2.com/dakhlia/overheating.html
> >> >> See if you can figure out if it's a heat generation or a cooling
> >> problem.
> >> >> Is the thermostat working? And if it failed, did it fail in the open
> >> >> position (i.e., where plenty of air does flow to the oil cooler)?
> >> >>
> >> >>> On Tue, Sep 1, 2015 at 5:44 PM, David C Matthews <dcm7293 at gmail.com
> >
> >> wrote:
> >> >>> My bus is a 1971 Westy with a custom (oversized) engine. To give you
> >> an idea
> >> >>> of output, it was designed to produce 135 HP. It's hasn't been put
> on a
> >> >>> dyno, however.
> >> >>>
> >> >>> The engine has less than 5000 miles on it, although I'm not sure
> when
> >> the
> >> >>> problem started. I know it's running hot 'cause after an hour or so
> of
> >> >>> driving, you can't touch the dipstick -- it's that hot. Also, it was
> >> running
> >> >>> so hot that some of the residual plastic in the ceiling of the
> engine
> >> >>> compartment (took out the old "straw") started to melt. I went crazy
> >> with
> >> >>> the fire extinguisher before figuring out what was smoldering. Fun.
> >> >>>
> >> >>> FWIW, the side cooling compartment/baffles on the body are clear (no
> >> bird's
> >> >>> nests or any obstructions).
> >> >>>
> >> >>> David
> >> >>>
> >> >>>
> >> >>>
> >> >>> On Tue, Sep 1, 2015 at 10:27 AM, Sami Dakhlia <
> sami.dakhlia at gmail.com>
> >> >>> wrote:
> >> >>>>
> >> >>>> Hi David,
> >> >>>> Please tell us more: what year bus, what kind of engine, when did
> the
> >> >>>> problem start, how do you know it's running hot?
> >> >>>> Cheers,
> >> >>>> Sami
> >> >>>>
> >> >>>> On Tue, Sep 1, 2015 at 5:03 PM, David C Matthews <
> dcm7293 at gmail.com>
> >> >>>> wrote:
> >> >>>>> My Type2 is overheating (big surprise). What started as a concern
> has
> >> >>>>> now
> >> >>>>> turned into an (almost) full-blown mess. Can you say "about to
> >> swallow a
> >> >>>>> valve" and "needs new heads"?
> >> >>>>>
> >> >>>>> Problem is, until I resolve the overheating issue, can't feel good
> >> about
> >> >>>>> spending money to fix what's broken. But, the chicken-and-the-egg
> >> >>>>> problem
> >> >>>>> being what it is, can't diagnose the overheating problem until I
> get
> >> her
> >> >>>>> running again.
> >> >>>>>
> >> >>>>> Thoughts?
> >> >>>>>
> >> >>>>> David
> >> >>>>> _______________________________________________
> >> >>>>> type2 mailing list
> >> >>>>> type2 at type2.com
> >> >>>>> https://www.type2.com/lists/type2/listinfo
> >> >>>
> >> >>>
> >> _______________________________________________
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> >>
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