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  #1  
Old 08-09-2006, 10:28 AM
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Exclamation 300SD fuel tank strainer

I was not able to get over and look at my non running 300SD yesterday but am on my way now. I know one thing to check is the fuel tank strainer / screen . Can this just be cleaned and or replaced ? , does it have a gasket ?.
Alan

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Old 08-09-2006, 11:12 AM
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The strainer is mounted in the bottom of the tank. You know what that means. You can check it with the hand pump. If you pull the pump up to prime the system and it sucks back down on its own, you have a restricted screen.
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Old 08-09-2006, 03:21 PM
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Thanks Autozen , I went to the house and filled the tank , primed the pump (it worked properly ) and cranked the car for about 35 seconds and it started.
It seems somewhat sluggsih so thursday I will change all filters. I also noticed that the light for the glow plug does not come on. I need to check the plugs and resistors. Thanks for the advice and quick response.
Alan
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Old 08-09-2006, 10:51 PM
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Congrats and you are welcome. You can pull the large plug at the glow relay and check them there. You should read less than one ohm on each plug.
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Old 08-10-2006, 04:51 AM
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if there are black dots in the small fuel filter you have fungus in the tank. a good dose of fungicide will kill it off and let it come through the filters. if the car started without glow plugs that is a sign of having really good compresssion so you may have a really good engine there.

good luck

tom w
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[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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Old 08-10-2006, 08:09 AM
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I will take my meter with me. The engine should be strong though. My Father bought this car new and it was a long time dream of his to own a MercedesBenz. His mx philosophy went like this ( as an example ) if you have one accessory drive belt go , change all of them. He took great care of this car and sat under their car port 98% of the time. If it rained he drove my Mom's car ( usualy a Lincoln or Cadillac ). The biggest issue with the car is as ( I have stated elsewhere in this forum ) sitting undriven for many months at a time due to his health. Thanks again I will be utilizing the expertise and knowledge of everyone on this forum.

Alan
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Old 08-10-2006, 10:08 AM
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Alan or anybody,
Here's a trivia question for you. If a car has 3 drive belts ( alternator-waterpump-power steering), which one will break first?
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Old 08-10-2006, 08:03 PM
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Talking

UH , the one most difficult to?.
Alan
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  #9  
Old 08-10-2006, 08:47 PM
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Quote:
Originally Posted by Beastie View Post
UH , the one most difficult to?.
Alan
Alan,
You get the cigar for being technically correct. The actual answer is the inner most belt which means they all must come off to chande it.
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Old 08-10-2006, 08:55 PM
Craig
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Alan,
You get the cigar for being technically correct. The actual answer is the inner most belt which means they all must come off to chande it.
I just removed and replaced all 4 belts on my 300D in a hotel parking lot 2000 miles from home because the inner belt broke.
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Old 08-10-2006, 09:47 PM
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I just removed and replaced all 4 belts on my 300D in a hotel parking lot 2000 miles from home because the inner belt broke.
I did not prophesy your problem, but thanks for the backup. Rule #2: A dropped tool will always roll to the exact center of the car, which I guess is preferrential to being lost in oblivion.
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Old 08-10-2006, 10:27 PM
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I did not prophesy your problem, but thanks for the backup. Rule #2: A dropped tool will always roll to the exact center of the car, which I guess is preferrential to being lost in oblivion.
One of my 13 mm sockets seems to have found it's way to "oblivion" while I was changing the belts.
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  #13  
Old 08-10-2006, 11:43 PM
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Alan,
You get the cigar for being technically correct. The actual answer is the inner most belt which means they all must come off to chande it.
Peter, that would be the a/c belt on the 617.
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  #14  
Old 08-10-2006, 11:44 PM
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I did not prophesy your problem, but thanks for the backup. Rule #2: A dropped tool will always roll to the exact center of the car, which I guess is preferrential to being lost in oblivion.
Rule #3:

A dropped tool under the hood will always fall into "no-man's land" between the IP and the block.

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