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+--- Thread: Road trip blues (/showthread.php?tid=2855)
Pages: 1 2
Road trip blues - davidkerryedwards - 07-01-2006 13:12
True enough. In this case the diagnosis was correct and the custom filter
required waiting
for a replacement to be shipped in. Once the new filter was installed, back to
normal. The
filter was not cheap--$82. The plugged up filter was increasing the vacuum so
much at
the turbo intake, it was collapsing a rubber 90 degree hose that is part of the
aftermarket
intake. It was only happening when the rpm's increased suddenly when I
downshifted
from 4th to 3rd on a hill. The slow increase in vacuum on a steady increase in
rpm's as i
shifted up thru the gears was not enough to cause the problem, although the
dirty filter
was reducing the power. I don't think the problem would ever arise on an NA and
I don't
think the factory turbo has any rubber components in the intake system that
might
collapse.
Kerry
--- In WanderlodgeForum@yahoogroups.com, "Mike Hohnstein" <MHOHNSTEIN@...>
wrote:
>
> Keep in mind Kerry has an aftermarket turbo conversion applied to a NA 210 hp.
I
suspect there is a fair bit of "custom" work done to the coach that complicates
maintenance issues when they arise.
> Fresh properly adjusted belts,new hoses, proper cooling system ph level and a
clean
fuel system are the best ways to stay off the side of the road.
> Mike Hohnstein
> Germantown, WI
> 83FC35
> ----- Original Message -----
> From: Chris Reed
> To: WanderlodgeForum@yahoogroups.com
> Sent: Monday, June 26, 2006 10:31 PM
> Subject: Re: [WanderlodgeForum] Re: Road trip blues
>
>
> Aside from belts and hoses, what else can I do as far as preventive
maintenance to
make sure I dont end up on the side of the road....I can't imagine going through
what
Kerry is now....what else should I be checking under this bus?
> Chris Reed
> 83 FC35 SB
> Plant City, FL
> Waiting for new/rebuild engine cooling fan....
>
> davidkerryedwards
> Crossover pipe takes the exhaust from one manifold over to join up with the
exhaust
from
> the other. In my case it takes the right exhaust over to the left side where
both power
the
> turbo. It broke on the left side right near the intake for the air cleaner
which is in front
of
> the left wheel. I had to drive it a couple of miles to an exit and it was
spewing huge
clouds
> of black smoke because the turbo was barely turning since the exhaust from
both
sides
> was following the path of least resistance which was out of the broken pipe
instead of
thru
> the turbo. Without the turbo'd air it was way overfueled for the amount of
air it was
> getting.
> By the way, it is probably worth noting that the crossover pipe had probably
cracked
> before it broke resulting in less air and I had noticed the egt's were
running about 150
> degrees hotter than normal. They could get over 1200 degrees if I wasn't
careful on a
> steep hill. This tells me a richer or overfueled engine could have dangerous
EGT levels
> pretty easily.
>
> Kerry
>
> --- In WanderlodgeForum@yahoogroups.com, "Scott Forman" <sforman@> wrote:
> >
> > OK...dumb question...what/where is a "crossover pipe"?
> >
> > Scott Forman
> > 82 FC35RB
> > Memphis
> >
> > --- In WanderlodgeForum@yahoogroups.com, "davidkerryedwards"
> >
> > >
> > > This roadtrip is turning into a sequence of mechanical problems.
> > After we got the idler
> > > pulley repaired in MO, we made it to WV when the crossover pipe (a
> > second rate flexible
> > > pipe) failed. FMCA road service sent out a mechanic who removed
> > the broken end and re
> > > attached it. We got down the road 40 miles and it failed again,.
> > I reattached it myself and
> > > we limped into Cumberland MD on Saturday where we waited until this
> > morning(in a
> > > shopping mall parking lot) for an exhaust shop to open. Jim's
> > transmissionn and exhaust
> > > did an excellent quick job and we were on the road by 11am. A mile
> > down the road the
> > > engine quit suddenly at 60mph. Pulled over, restarted it and set
> > off again. this happened
> > > three times in 5 miles. I called FMCA road service again since it
> > was dangerous to drive
> > > since we lost power steering when the engine quit. Were towed to
> > Keyser WV ($431--buy
> > > road service!) where we are currently in a motel. The current
> > diagnosis is that when the
> > > crossover pipe failed it sooted up the air cleaner resulting in
> > very high vacuum in the
> > > intake which sucked down a rubber hose cutting off all air flow to
> > the engine and shutting
> > > it down. We're waiting for a new air filter to arrive by UPS
> > tomorrow. I had thought the
> > > turbo was failing and seizing up, so if this diagnosis is correct,
> > it's a much more simple
> > > fix. The diagnosis makes a fair amount of sense since the shut
> > down problems occured
> > > after the crossover pipe was properly fixed with a solid pipe which
> > would make the turbo
> > > operate more efficiently than the loosely attached prior repair.
> > > We hope to make it to DC sometime this summer and then have a less
> > eventful journey up
> > > to NYC, Montreal, and back to Denver.
> > > If anyone has any better diagnoses, jump in. The air filter is
> > within a couple of feet of the
> > > ccrossover pipe and it was completely black when removed. Apart
> > from a turbo failing, I
> > > can't think of any other explanation. It definitely had fuel since
> > the max fuel light was on
> > > when it happened and it shot out lots of gray smoke upon start up.
> > The only other thing
> > > that could seem to cause a diesel to stop running is lack of
> > compression, lack of timing, or
> > > lack of air.
> > >
> > > Kerry
> > > 82 FC 35
> > > Denver
> > > Singing the blues in WV (or should that be bluegrass?)
> > >
> >
>
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