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#1
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Glow Plug Tutorial
Hey all,
I'm new to this forum... and to Mercedes Diesels in general... but not to cars. Anyway, about 3 months ago I bought a '81 300TD, and I love the thing. Runs like a champ with 267K miles on it! Yesterday, my glow plug light stopped comming on when I turned the key. I could still get the car to start, but it was tougher and a bit smoky. Once it is running for a minute everything seems to be prefectly normal. Seems like there is something wrong with my glow plug system. Is there a tutorial someplace that I could read to get me up to speed on how the glow plug system works, what to look for, and how to replace components? Also, I've got access to a pretty good junk yard that generally has a couple of old Mercedes Diesels kicking around so I could pull a bunch of glow plugs from old engines... or should I just buy them new? Thanks, Bill |
#2
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Diesel Giant has answers for you...
http://dieselgiant.com/glowplugrepair.htm
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-justin 1987 300TD, 1987 300TD 2008 R32, 2000 Passat Wagon |
#3
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Quote:
John
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
#4
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Also, make sure you don't get cheap ones. Bosch is the way to go, but if you can't get those, stay AWAY from autolites. And make sure you ream those holes...
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1989 300E 144K |
#5
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Good advice.."Monarch" and "Champions" and junk too.
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1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car" |
#6
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Thanks guys, that sheet is exactly what I was looking for!!!
Seems like the glow plugs are actually pretty easy to get to on the older models? No? Sounded like it was just on the newer 6 bangers that you had to remove the intake manifold... I think I can see the plugs on my 5 cylinder engine and they look like a breaze to service. What is the story with the reamer? No info on that in the tutorial. I assume that the goal is simply to get the crap out of the hole so that the new plugs seat well. Where do I get ahold of one of these things? If someone knew the exact diameter of the glow plug hole, I could just order the correct sized reamer from McMaster Carr, or some other machine tool vendor... Or is this a magic special reamer? Thanks, Bill |
#7
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That's a new one. You know it's a bigger engine than the older 617 right?
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-justin 1987 300TD, 1987 300TD 2008 R32, 2000 Passat Wagon |
#8
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Quote:
at a minimum, wear gloves. it's easiest, if you remove the injector lines. John
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
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