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  #1  
Old 02-03-2008, 02:34 PM
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Join Date: Feb 2008
Posts: 14
Hey Guys - N00b here with issues!

Hey everyone

My name is Zack, and I have a 1979 MB 300D sedan that I acquired on Craigslist from another member of this forum. I am located in Conway, Arkansas, and in addition to the 300D I own a few MGB sports cars.

Johnathan had told me some time ago to join and I had been putting it off, but I am experiencing my first MBZ vehicle trouble, and figured this would be the place to turn!

I am having a starting issue with the car. It will not crank over. I have changed both fuel filters, and primed the spinon filter with diesel. However, other than an occassional cough, it will not crank over. I also ran a line from a 2 gallon jug of diesel directly to the spinon filter's incoming spout without success.

I am not very familiar with diesels in general, so any help you'd be able to point me towards would be greatly appreciated!

Thanks a bunch!
Zack

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  #2  
Old 02-03-2008, 02:45 PM
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Join Date: Jan 2002
Posts: 18,350
Check your glow plugs. I believe the original equipment on that car is a set of series glow plugs. If one fails, they all fail. If they are not working, it would be wise to upgrade to the retrofit pencil plugs.
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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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  #3  
Old 02-03-2008, 03:26 PM
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Location: Albany, OR
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So the engine turns over but won't start? I would check your glow plugs. They are usually the first thing to check when the car won't start.
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'04 Jetta TDI Wagon
'82 300TD ~ Winnie ~ Sold
'77 300D ~ Sold
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  #4  
Old 02-03-2008, 04:54 PM
C Sean Watts's Avatar
NOCH EIN PILS!!
 
Join Date: Mar 2006
Location: NC
Posts: 1,318
IF you are not familiar with glow plugs

and the preglow process do this....

Turn your key to 'on' but not to 'start' -
you should see the customary 'idiot lights' along with a yellow light with a pig tail graphic on it.
IF YES- wait until it goes off then start.

IF NO- count a slow 10-12 seconds then try to start. Does it start?

If yes- trouble shoot your GP relay and light circuit
If no- DO YOU HAVE A small tab that looks like a key in the panel and a pull knob on the opposite side with a 'salt shaker cap' somewhere nearby?? OR it's time for new plugs and/or relay.
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1987 300D (230,000 mi on a #14 head-watching the temp gauge and keeping the ghost in the machine)
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  #5  
Old 02-03-2008, 04:59 PM
C Sean Watts's Avatar
NOCH EIN PILS!!
 
Join Date: Mar 2006
Location: NC
Posts: 1,318
Btw

I used to have a '73 MGB. I was stationed at Ft. Bragg and (as a single soldier) I spent a few weekends at Myrtle Beach. If I drove that car, I always got phone numbers (sometimes more) from girls in bikinis.
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1987 300D (230,000 mi on a #14 head-watching the temp gauge and keeping the ghost in the machine)
Raleigh NC - Home of deep fried sushi!
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  #6  
Old 02-03-2008, 05:45 PM
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Join Date: Feb 2008
Posts: 14
Hey guys thanks for the tip.

What threw me off was that the glow plug light was acting as normal. I had been driving the car, and knew that it took about 2 plug cycles to start it. When it did not start today, it did not act any different.

I changed the front three glow plugs, and VOILA! Instant start. The two in the back are a future project. I am suprised I got the first three changed without yanking the fuel lines on the first try LOL

Thanks guys!

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