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Model 617 warning signs of failure?
My brother recently purchased a 85 300SD with the 617 in it. What are signs that this engine may be singing its death song? The air filter and surrounding area was BLACK with motor oil and the engine has blow-by. The engine seems to run strong though and it doesnt seem to have too much smoke in the exhaust. Plenty of pep! What are some tests I can do at home without the use of a mercedes tech.
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#2
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It sounds like you need to adjust your valves. Oil in the air filter is normal for these engines. It works like a Pcv Valve on a gasser. Blow by can be adjusted down on a healthy engine.
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Dave 1983 300D Daily Driver |
#3
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You can't stay up nights worrying about blow-by on these engines. Clean it up, adjust the valves if you don't know the last time it was done, then just enjoy the pep you speak of.......
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Jimmy L. '05 Acura TL 6MT 2001 ML430 My Spare Gone: '95 E300 188K "Batmobile" Texas Unfriendly Black '85 300TD 235K "The Wagon" Texas Friendly White '80 240D 154K "China" Scar engine installed '81 300TD 240K "Smash" '80 240D 230K "The Squash" '81 240D 293K"Scar" Rear ended harder than Elton John |
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I am relatively new at this, but I would not say that oil in the air filter is normal. It may be common, but I don't think it is normal. I found oil in and dripping out of my air filter assembly and also found that the air filter (K&N) was quite dirty. I cleaned it up and the oil problem stopped. I also had a lot more zip. I concluded that I was starving the engine for air and it was sucking it up the oil return tube, along with oil.
I also read an excellent article on this forum about changing the oil check valve at the bottom of the tube (accessed by taking off the oil pan). I will be doing this as well. Richard
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85 300D 75K Anthracite Grey 0-60 in 13 seconds **For Sale** 84 300D 333K Black (The Velveteen Rabbit) 0-60 in 14 seconds 00 Toyota Sienna 208K (Sold) 15 Subaru Outback 43K 11 Subaru Outback 67K 98 Ford Taurus 100K (Gertie - Was Grandma's - drove it to church and shopping - really) Daughter's car now. 30 Model A Ford 2 Door Sedan (Sold) 0-60 in . . . Never reached 60 |
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Terry Allison N. Calif. & Boca Chica, Panama 09' E320 Bluetec 77k (USA) 09' Hyundai Santa Fe Diesel 48k (S.A.) |
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Excuse my ignorance, but what is my MAF?
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85 300D 75K Anthracite Grey 0-60 in 13 seconds **For Sale** 84 300D 333K Black (The Velveteen Rabbit) 0-60 in 14 seconds 00 Toyota Sienna 208K (Sold) 15 Subaru Outback 43K 11 Subaru Outback 67K 98 Ford Taurus 100K (Gertie - Was Grandma's - drove it to church and shopping - really) Daughter's car now. 30 Model A Ford 2 Door Sedan (Sold) 0-60 in . . . Never reached 60 |
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I'm sick of .sig files |
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I don't know enough about the filter oil to say one way or the other if Kero would be a suitable for the filtering aspect (I don't see why not, just check it ocassionally to see if the filter is still oily) but as a cleaner it should be fine.
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1980 300TD-China Blue/Blue MBTex-2nd Owner, 107K (Alt Blau) OBK #15 '06 Chevy Tahoe Z71 (for the wife & 4 kids, current mule) '03 Honda Odyssey (son #1's ride, reluctantly) '99 GMC Suburban (255K+ miles, semi-retired mule) 21' SeaRay Seville (summer escape pod) |
#9
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dripping BLACK oil from the drain holes on the air cleaner could be an indication of something. Since you mentioned that there was a K&N filter in there, I'll bet some one over oiled it and it bled out. Also if you have a leaking intake manifold gasket, that could put oil in unusual places.
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RIP: 80 300SD RIP: 79 450SEL 2002 E430 4matic (212,000km) 2002 ML500 'sport' ____________________________ FACEBOOK: PANZER450 |
#10
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When its 20 degrees out, and it just cranks, and cranks and cranks. Until you either it or plug it in. Thats on deaths doorstep.
Back when I had the SD either was my best friend!
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1999 SL500 1969 280SE 2023 Ram 1500 2007 Tiara 3200 |
#11
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....I've found WD-40 to be a better starting fluid for diesels.. I carry a can in my car at all times, in the winter..
..oh, and I think you meant "ether" http://en.wikipedia.org/wiki/Diethyl_ether For the record, ether kills maggots dead.. Don't ask me how I know.. AJ RN
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Agnes (the Limo) '84 300SD Pearl (the Taxi) '81 240D (preparing for the 'afterlife') Bridgette (baby girl) '82 VW Pickup-- currently getting readied for her rebuilt (overbored) engine. 1 VW 1.6 NA diesel **not installed in vehicle** Gidget (the bimbo) '87 VW Cabriolet-- the diesel engine it above is eventually going there! and a BMW Motorcycle. (1998 R1200C) Did I mention I'm of German Heritage?? |
#12
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Just curious--how would an intake gasket put oil where it's not supposed to be? And where exactly would those places be? I have some oil in unusual places.
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1998 E300D, 287k, barely broken in. |
#13
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K&N filters should not be used on these cars. You want WIX or Mahle.
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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 |
#14
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Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac? As long as they would add one additional commandment for you to keep thy religion to thyself. George Carlin (Wonder where he is now..) 1981 240d (engine donor 1983 240d) recently rebuilt engine hurray! - No more.. fought a tree and the tree won. pearl black 1983 240d 4speed (Converted!@$$%) atleast the tranny was rebuilt. |
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