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Old 10-30-2005, 11:06 PM
Treeman's Avatar
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Question 240d wont start, simple but I cant find it

'77 240d, 288k
I have two problems here, one might fix the other. But yall are going to have to tell me. I cant figure this out. Once I get the car push started it runs fine. If car cools off say overnight. It will not start!
I cycle the New Glow plugs twice and on the second cycle I will let the plugs heat for more than 1 minute. Nothing. After the second try Im usually out of patience and push start the car. Starts everytime as if Im pushing or the key works as long as the motor is somewhat warm. I thought I had it figured out that I had air in the lines. So I replaced all the lines, from the rear tank to the IP and any others I could see. I also changed all filters. All fuel and air. Tightened all hose clamps and put a wrench on everything that the fuel would pass by or through. I then replaced the hand pump with a new one. Still nothing unless pushing or warm. I then ran a half of a can of 'Seafoam' through the crankcase and the other half through the fuel tank.
The only thing I have not done is replace the starter. The battery is brand new. (?) The other thing that may have something to contribute to the problem might be the vacumn lines coming thru the firewall seem to be leaking down as they squeal when you turn the engine off. If you disconnet them the motor will not turn off. So that is why I am thinking it might be part of the problem related to the hard start or not. Regardless I am asking for help and suggestions. I have the mechanical ability of a silverware drawer, so please ask questions if I left something out.
Thanks in advance, Treeman
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Last edited by Treeman; 10-31-2005 at 12:04 AM.
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  #2  
Old 10-30-2005, 11:21 PM
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now

when you say won't crank do you mean won't start or won't turn the motor over?

tom w
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Old 10-30-2005, 11:23 PM
Treeman's Avatar
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Quote:
Originally Posted by t walgamuth
when you say won't crank do you mean won't start or won't turn the motor over?

tom w
Sorry Tom, I mean it will not start.
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Collector of Fine Hose Clamps
'77 240D 'AVA' is in heaven now
'80 240D Kanarienvogel
'82 300TD 343k was my daily driver 'ADOLPH' In Surgery for a severe Deer Bite to the Nose
'88 560SL 102k 'White One'
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  #4  
Old 10-30-2005, 11:28 PM
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A 77 would have series glowplugs. Very simple, yet seems to baffle most people. Describe how you know the glowplugs are working.
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2004 C240 Wagon 203.261 Baby Benz
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  #5  
Old 10-30-2005, 11:31 PM
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Quote:
Originally Posted by Palangi
A 77 would have series glowplugs. Very simple, yet seems to baffle most people. Describe how you know the glowplugs are working.
? Mechanic shop just replaced them? They seem to get very hot at they glow red. I have no other explanation. How can you know, I assumed?
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Collector of Fine Hose Clamps
'77 240D 'AVA' is in heaven now
'80 240D Kanarienvogel
'82 300TD 343k was my daily driver 'ADOLPH' In Surgery for a severe Deer Bite to the Nose
'88 560SL 102k 'White One'
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  #6  
Old 10-30-2005, 11:35 PM
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What glows red exactly? You can't see the tips of the glow plugs since they are in the head. Could Mr. Mechanic have installed parallel type plugs?
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Palangi

2004 C240 Wagon 203.261 Baby Benz
2008 ML320 CDI Highway Cruiser
2006 Toyota Prius, Saving the Planet @ 48 mpg
2000 F-150, Destroying the Planet @ 20 mpg



TRUMP .......... WHITEHOUSE
HILLARY .........JAILHOUSE
BERNIE .......... NUTHOUSE
0BAMA .......... OUTHOUSE
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