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  #31  
Old 03-22-2013, 11:16 AM
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Join Date: Oct 2012
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Quote:
Originally Posted by tiffster View Post
Thanks Inkblotz and Barry12345. Car is running again and all of the advice and great pics was a huge help. Sadly, it was out of gas away from home so could not charge the battery, but found a nice guy with a truck and some leads who provided enough power to get her running again. Really glad I found this forum and expect shall be asking lots of stupid rookie questions about how to fix my old girl up and get her into shape again.

On an older 616 I would have a look at the pressure relief valve thread I just got moved up for review by some. In my opinion it is especially important to have decent fuel pressure on the 616 engines. Plus there can be performance improvements.

I estimate a fairly large percentage of them may be operating with less fuel pressures than they should have. I also suspect other perhaps serious consequences of having low fuel pressure existing for years. Geting a grasp on this area makes any troubleshooting of the fuel supply system if ever required much easier as well.
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  #32  
Old 05-02-2015, 01:53 PM
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Join Date: May 2015
Posts: 2
Thanks...up and running.

Just a +1 for this thread. Got stranded, put 5 gallons of diesel in and was confused about why my 81' 240D wouldn't start. Found this thread on my phone and I am back up and running.

When you find the white pump head, it took about 5 revolutions to un-seat the threads. I was worried that I was removing the incorrect part. It pays to have a package of wet-wipes in the glove box as the pump is dirty and diesel fuel is dirtier.

After that, I pumped until every pump had diesel coming out. I went to start the car, allowing the glow plugs to heat up beyond the timed light, depressing the gas pedal all the way down and slowly letting out... I did this about 4 times with no real success.

In frustration, I started pumping the gas pedal from full throttle to 50% and back again while turning the starter. This worked... the motor started up sounding super weak at first then slowly gaining strength. I let Winston (that is what we have named him) run at a medium rpm (no tachometer - sorry don't know the rpm) with my foot on the gas for just a minute. We are running super great and without issue.

Thanks Again.
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  #33  
Old 05-06-2015, 08:39 AM
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Join Date: Sep 2012
Location: Wilmington, NC by the Atlantic ocean
Posts: 2,300
Chad, others -

PLEASE!!!! There is no "gas pedal" and no, you didn't run out of "gas". This is a Diesel and runs on "fuel". If you put in "gas" you are in for a world of hurt. Oh, and pumping the accelerator pedal made no difference - you simply cranked it long enough to work the remaining air out of the lines. With any fuel injected car (gas or Diesel) there's no accelerator pump so no amount of pumping does anything.


The reason I bring up the "gas/fuel thing is mostly that if you get in the habit of referring to your Benzes fuel as fuel you'll be much less likely to make that Horrible Mistake (the gasoline in the tank thing). Besides, it just isn't correct. I go to the extent of referring to having the accelerator pedal at it's maximum position as "WOR" or wide open rack instead of "WOT" (wide open throttle) as our Diesels HAVE no throttle, one of the reasons that they're so efficient.

Enough Diesel English lesson for today.....

Dan
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  #34  
Old 05-06-2015, 03:17 PM
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Join Date: Aug 2010
Location: Sacramento, CA
Posts: 2,034
The battery should have let you crank for several minutes. If you just started driving the car, it might have just been low. Otherwise, take it to an auto parts for a free test. Some can also check if your alternator is working (charges the battery). If you neglect, you will soon get stranded again.
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