I pulled one glow plug and figured it wouldn't hurt to try exactly what you
said. It got hot very quick, but I didn't leave it connected but for a few
seconds. Red hot, no, I guess I didn't leave it on long enough.With the air
input pipe to the turbo off for who knows how long I figure there is a
certain amount of dirt in the cylinders. This may have been confirmed by a
gritty feel to the carbon on the element of the glow plug. But, what do I
know about diesels? I will put some diesel additive in the tank on the next
fill up. Maybe it will clean it out in there a little.
On Friday I bought two new fuel filters. I was planning on installing one
soon after putting the biodiesel in the tank. The guy at the parts store
said the filter I was asking for is for a John Deere. I wonder if someone
replaced the original with the one it now has? The filter has a clear trap
at the bottom. Anyway it looks new now. There is a primer pump on top and it
looks original to me. The assembly is attached to the firewall.
I checked the vacuum by pulling the hose at the canister by the left front
headlight. I didn't put a gauge on it but there was good vacuum to the
touch. Also the wastegate control valve is getting power at 1500 RPMs but I
didn't see it move the valve. It does move when I suck on it. Maybe I better
check the vacuum pressure.I also put a stethoscope on the turbo I don't hear
any whining.
You say you sell parts on ebay, do you also have a webpage to browse?
Thanks for the info.
Brian Rodgers
On 4/2/06, Rob Courter <robcourter@yahoo.com> wrote:
>
> Brian,
>
> The glow plug test you did should, in most cases, be
> sufficient. Oftern times I use a test light to do the
> same thing. It basically tells you that the glow plugs
> are conduction electricity, but doesn't tell you how
> well they are 'burning'. To do that, pull the plugs
> and grad a set of jumper cables... ground the threaded
> body and power the wire end... they should glow read
> in about 7 seconds (unless the system has really old
> plugs, the type that took 22 seconds to heat up).
> Generally, if a glow plug is bad, the car will start
> but will run rough until it warms up. Two plugs out in
> cold weather and starting becoming 'iffy'. Three of
> them out any you can forget about it. If you need new
> plugs, I sell them on eBay of $9.99 each (Bosch).
>
> To do a the equivalent of a tune up on a diesel...
>
> 1) Replace the fuel filter. Blocked flow (and / or
> water) can cause poor running and smoke. There is also
> a diaphragm at the top of the fuel filter assemby.
> It's part of the priming pump. If for any reason (such
> as exposure to gasoline, too much kerosine or old age)
> the diaphragm gets a hole in it, that will allow air
> to pass through into the fuel line... the car may idle
> alright, but will not be able to accelerate. Again, it
> will smoke too. To confirm the diagnosis, use a clear
> fuel line from the filter to the pump and look for air
> bubbles. Some customers have us replace the diaphragm
> every few years just as a precaution. Fuel filters
> should be replace every year.
>
> If you need them, I have the diaphragm kits and fuel
> filters too.
>
> 2) Valve adjustment. Recommended annually for peak
> performance. The compression on a diesel is
> critical... so the valve clearance is too. Simple to
> do... helps reduce smoking and increase fuel mileage
> and power.
>
> Rob @ Javel, Inc. (formerly Garage Courtier) Dallas
>
>
> --- Brian Rodgers <brians.outfit@gmail.com> wrote:
>
> > Hello everyone
> > I'm working on my recently traded for 1981 505s TD.
> > I intend to use this car for biodiesel, but first I
> > need to get the engine
> > performing better.
> > Symptoms include:
> > Hard starting. Turns over well but the engine misses
> > and blows a lot of
> > white smoke until it gets warmed up. Once it is
> > running, the idle is rough.
> > The engine does stays running at idle fine, it
> > misses more on acceleration.
> > Under load it excessively blows black smoke from the
> > tailpipe with poor
> > power. When floored on a hill and the kick down
> > drops the transmission into
> > a lower gear the engine seems to really get rough.
> > I don't know much about diesel engines, but when a
> > gas engine does this it
> > may indicate the mix is too rich.
> > This is what I have checked so far:
> > Vacuum hoses look bad and I replaced the worst ones.
> > Filled with fresh diesel on Monday. There was a few
> > gallons of old diesel in
> > the tank when I got the car. The car has been
> > sitting for several months at
> > a car lot.
> > Checked and cleaned the oil bath air filter, found
> > the air pipe to the turbo
> > was off , damn it. Very dirty at the inlet to the
> > turbo, so I figure it has
> > been running with no air filter for some time.
> > Checked the wastegate valve: It moves under vacuum.
> > I can not tell if the
> > turbine is spinning.
> >
> > Lastly I removed the wires to the glow plugs and
> > tested with an ohm meter:
> > All four show the same resistance; 0.6 ohms. Is this
> > a good enough test or
> > should I remove the glow plugs and inspect them? I
> > have heard that faulty
> > glow plugs can cause the hard starting and white
> > smoke.
> > Any info would be greatly appreciated.
> > Sincerely,
> > Brian Rodgers
> > --
> > 1981 Peugeot 505s TD
> > 1974 Mercedes 250
> > 1974 BMW Bavaria
> > 1956 International Utility 460 Tractor
> >
> >
> > [Non-text portions of this message have been
> > removed]
> >
> >
>
>
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--
1981 Peugeot 505s TD
1974 Mercedes 250
1974 BMW Bavaria
1956 International Utility 460 Tractor
[Non-text portions of this message have been removed]
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Received on Sun Apr 2 13:48:36 2006
