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  #1  
Old 03-07-2002, 01:00 PM
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Join Date: May 1999
Location: Queens, New York, USA
Posts: 38
Wrong Fuel

Help! Last night a gas attendant put five gallons of gasoline on my diesel car. What makes this story even more tragic is that the tank was almost empty at the time. I drove the car for about three miles when the car started to shake and making loud knocking noise. I returned to the gas station immediately and confirmed the mistake. I decided to put ten additional gallons of diesel. The car is running, but is still knocking and shaking Ėnot as much as last night- I will drain all the fuel probably today. However, my question is: what permanent damage has the car suffered as a consequence of this error?
My car is a 1983 300SD Turbo Diesel
Thank you in advance for your advise.
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  #2  
Old 03-07-2002, 03:57 PM
moedip
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Happened to my sister-in-law on VW diesel twice!! Towed it to her repair shop drained the tank and flushed the lines and the car is still running - 2 years later with no ill effects. She only drove it about 4 miles each time before the mistake was noticed. If it was the attendant's mistake I'd present the car station with the bill.
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  #3  
Old 03-07-2002, 04:20 PM
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Join Date: May 1999
Location: Queens, New York, USA
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Thanks for your quick response. I finally contacted my MB mechanic. He suggested filling up the tank with diesel, replacing all fuel filters and putting a quart of transmission fluid in the fuel tank.
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  #4  
Old 03-07-2002, 04:22 PM
moedip
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Are you doing this yourself or are you getting someone else to to it???
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  #5  
Old 03-07-2002, 04:32 PM
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Join Date: May 1999
Location: Queens, New York, USA
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I normally replace the filters and change the oil in my car. I take it to the mechanic if I need to fix something. The procedure suggested by my mechanic is no different from what I have done in the past except putting a quart of transmission fluid in the fuel tank. However, if I had to drain and clean the system, I would definitely let a professional handle it. Keep it mind that the car is running, but is knocking and shaking a little.
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  #6  
Old 03-07-2002, 04:40 PM
moedip
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I was asking for a reason - I don't have MB diesel experience - but work on VW diesel all the time. I know that on the VW diesel when you change the fuel filter you sometimes get an air lock and you have to prime the system to get the fuel going again. Before you start changing the filter - do a search on this site for any problems with priming the system - just in case you should need to do it. Better to be armed with all prossible information before starting and save a lot of cussing if something does not go right. Good luck and let us know how you make out!!
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  #7  
Old 03-07-2002, 05:09 PM
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Join Date: May 1999
Location: Queens, New York, USA
Posts: 38
I will put the transmission fluid in the fuel tank and let the mechanic do the rest. I am taking no chance this time. I will post the outcome. Thanks
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  #8  
Old 03-14-2002, 04:13 PM
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Join Date: May 1999
Location: Queens, New York, USA
Posts: 38
Solved!

My problem was resolved! . My mechanic emptied the tank, changed the fuel filters and oil. It looks like the car is running normal again. Thank you for your advise.
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  #9  
Old 03-15-2002, 03:18 AM
MikeV
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Question Why Transmission fluid instead of motor oil

I not a "D" man so excuse my ignorance. but why transmission fluid instead of motor oil. I thought you would want to lower the flashpoint on the gas/diesel fuel.
MV
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  #10  
Old 03-20-2002, 11:25 AM
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Join Date: May 1999
Location: Queens, New York, USA
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Wrong Fuel

In this case transmission fluid served as a detergent and made the diesel thicker. I put the transmission fluid while the fuel thank had a considerable amount of gasoline. However, the mechanic drained the fuel tank and he put some other type of chemical Ėthat I donít know-, diesel fuel and replaced all fuel filters.
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