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#1
10-19-2014, 08:01 PM
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OM 603 Loud clacking noise????
Hi I have a 1987 300td. I took the car on a high speed run to about 200km/h or roughly 125mph stupid i know but i really wanted to see how fast she could go. After that run when i parked home the car just died. I immediately restarted there was a loud clacking noise at idle. Now when the car is cold it starts no problem and sounds ok but after about 15 seconds the clacking starts with a hiccup and then continuous on idle. If i revv the engine to about 2500rpm and let off the car dies. Could the lifters have something to do with this or is it something with the injectors or ip. Previous to the high speed run the car ran fine and did not have any clattering noise. Now it clatters after startup and will die after I rev and let of gas. Also if you try and drive after you stop the car will die sometimes. I parked it and hopefully i can figure this out.
Appreciate the help in advance Marko 
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#3
10-19-2014, 09:11 PM
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Wow that's weird, usually taking these things up to speed clears them out.
Does the car by chance have a trap oxidizer on it?
__________________
Allen Kroliczek Oak Grove Autosport | Oak Grove Autosport 01 G500, 82 300TD, quite a few more.....
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#5
10-20-2014, 09:18 AM
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Almost certainly lifters.
Also, could be filters/fuel delivery.
__________________
http://superturbodiesel.com/images/sig.04.10.jpg 1995 E420 Schwarz 1995 E300 Weiss #1987 300D Sturmmachine #1991 300D Nearly Perfect #1994 E320 Cabriolet #1995 E320 Touring #1985 300D Sedan OBK #42
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#6
10-20-2014, 09:44 PM
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Today when I got home after work, I started the car and it started once again fine without the clacking noise. I got the wife to rev it a little and it sounded rough but not clacking as it does in the video. I was going to go for a little drive on my street but once under load the clacking started immediately. I parked it and then i noticed the oil light come on although there is enough oil according to dipstick. The car does smoke more then usual. Here is the video Im sorry it was a little dark but you can hear what I am referring to.
om603 clatter - YouTube
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#7
10-20-2014, 10:10 PM
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Quote:
https://www.youtube.com/watch?v=B_Hs-kqTR14&list=UURVFXzT15ul-o6ip0TNmBtg which a few minutes later became this... https://www.youtube.com/watch?v=eX28fQ9WIjo&list=UURVFXzT15ul-o6ip0TNmBtg Which was caused by this....  You can always pull off the valve cover and take a look...
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#8
10-20-2014, 11:43 PM
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Do you have oil pressure ?
__________________
Greg 2012 S350 BlueTEC 4Matic 2007 ML 320 CDI 2007 Leisure Travel Serenity 2006 Sprinter 432k 2005 E320 CDI 1998 SLK230 (teal) 1998 SLK230 (silver) 1996 E300D 99k, 30k on WVO Previous: 1983 240D, on WVO 1982 300D, on WVO 1983 300CD, on WVO 1986 300SDL 237k, 25k on WVO (Deerslayer) 1991 350SDL 249k, 56k on WVO - Retired to a car spa in Phoenix 1983 380 SEC w/603 diesel, 8k on WVO 1996 E300D 351k, 177k on WVO
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#10
10-21-2014, 09:56 PM
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Get a mechanic's stethoscope so you can pinpoint where the sound is coming from. Had a similar sound on my 190D but found it was injector related instead of head related.
__________________
Current: 1975 450SEL, 83 300D, 88 Yugo GVX, 90 300D OM603 swap, 91 F150 4.6 4v swap, 93 190E Sportline LE 3.0L M104 swap, 93 190E Sportline LE Megasquirt, 03 Sprinter, 06 E500 4Matic wagon.
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