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#1
02-01-2003, 04:11 PM
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Glow Plugs.....Go figure
Glow plug indicator light doesn't light up and my 1977 300D won't start. Checked out the 4 month old glow plugs and #3 was dead.
Now the dumb question. Does one bad glow plug keep me from starting. I don't feel so dumb however after calling the MB dealer and they had no idea that the older loop style glow plugs existed. HELP JCD 
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#2
02-01-2003, 04:36 PM
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Well..........
I swapped out the number three and number 5 glow plugs and removed the insulator from number 5 to complete the circuit.
She started after a few cranks. I know that I'm not a diesel expert, but I sure wish I had a dealer near by that had a clue, at least about glow plugs. JCD
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#3
02-01-2003, 04:50 PM
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As you now know, yes, one bad plug on the loop style and they won't work at all. They are wired in series.
__________________
1977 300d 70k--sold 08 1985 300TD 185k+ 1984 307d 126k--sold 8/03 1985 409d 65k--sold 06 1984 300SD 315k--daughter's car 1979 300SD 122k--sold 2/11 1999 Fuso FG Expedition Camper 1993 GMC Sierra 6.5 TD 4x4 1982 Bluebird Wanderlodge CAT 3208--Sold 2/13
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#4
06-02-2005, 11:14 AM
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jcd,
Do you mean you are now running with 4 wodking GP instead of 5? IF so, you are running 20% higher voltage to the 4 working GP with the potential of burning out more GP. P E H
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#5
06-02-2005, 11:56 AM
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Considered just an emergency kind of thing to get you started I think. Boosts current draw through the relay as well so is not a great thing. You want to replace that bad plug as soon as possible so you can have cleaner starts anyways. A lot of these older engines will not start with no glowplugs working. Even wonder if a tow would do it on some but the 240d with standard should come to life with a tow I think. These earlier models should have a spare glow plug and wrench plus some item on board to find the offending plug probably at all times in an emergency kit.
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#6
06-03-2005, 12:17 AM
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Quote:
I had a set of Bosch ones take a dump on me a few months after they went in also, go figure.  Took a few hours to R&R them with some Champion ones, those have been in longer and still work great.
__________________
I'm not a doctor, but I'll have a look.  '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]
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#7
06-03-2005, 12:29 AM
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bosch
bosch for me. go figure... they usually dont fail.
__________________
[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual. [SIGPIC]..I also have a 427 Cobra replica with an aluminum chassis.
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#8
06-03-2005, 12:54 AM
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If the Federal Mogul ones take a dump on me, I'll probably reuse that brand depending on how long of a life I get from them OR go with the NGKs I found for the 617.
__________________
I'm not a doctor, but I'll have a look. '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]
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