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#1
12-12-2006, 02:41 PM
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Smoking Problem Solved on 87 300TD
I think.
About 6 months ago my mechanic replaced the turbo on my wagon (168K miles) and that helped the blue smoking problem a little. Since then the blue smoking gradually got worse and it was burning a lot of oil (about 1 qt/500 miles). I was perplexed because the car has no blow-by, starts on the first crank, and runs strong, but it got to be too embarrasing to drive. So I took it to a different local mechanic that was also locally recommended. After a few days he called me and said that my motor needed a rebuild. I did not want to spend this on the car so I told him to just fix a few minor items and I would pick it up later. Yesterday he called me and said he noticed that the oil seemed really thin and it likely has SOLVENT in it! He said this was likely the cause of the smoke. He went ahead and changed the oil and he said it initially smoked like hell but now he says the smoking is completely gone!! If he is correct I have been running the car on thinned oil fo 6 months!!(although I was adding 15W-40 every month or so). I pick the car up tomorrow and I will wait and see.
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sophie2  1987 300TD, 168K 1981 300D 220K 1968 250S W115 Diesel Converted, 2006 E320 CDI 2006 Yanmar 3YM30 / Vindo Sloop 29 Vintage Bicycles 
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#2
12-12-2006, 02:52 PM
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I would wanna know where the solvent came from... fuel dumping into the oil? previous mechanic add some solvent to eliminate some grime in the turbo bearings?
John
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!!  1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#3
12-12-2006, 03:02 PM
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My prior mechanic is no longer around so I'm not sure if he was the source of the solvent.
How can fuel get into the oil?
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sophie2 1987 300TD, 168K 1981 300D 220K 1968 250S W115 Diesel Converted, 2006 E320 CDI 2006 Yanmar 3YM30 / Vindo Sloop 29 Vintage Bicycles
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#4
12-12-2006, 03:02 PM
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Something seems odd about that explanation. How was the solvent getting in there?
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1977 300d 70k--sold 08 1985 300TD 185k+ 1984 307d 126k--sold 8/03 1985 409d 65k--sold 06 1984 300SD 315k--daughter's car 1979 300SD 122k--sold 2/11 1999 Fuso FG Expedition Camper 1993 GMC Sierra 6.5 TD 4x4 1982 Bluebird Wanderlodge CAT 3208--Sold 2/13
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#5
12-12-2006, 03:14 PM
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Quote:
John
__________________
John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#6
12-12-2006, 05:08 PM
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nothing blackstone labs couldnt figure out
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commercial fisherman diesel in my blood in my boats trucks and Dear old Dad has had me drivin them since i got my first license in 1968 1986 300 SDL 427654 1999 Chevy Crew Cab Dually 225423 1986 300 SDL 287000 Dad's 1987 190 Turbo 158000 Mom's (my inheritance)
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#7
12-12-2006, 10:53 PM
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Assuming this is really a TD (wagon) it could be hydraulic fluid from the leveling system.
__________________
Palangi 2004 C240 Wagon 203.261 Baby Benz 2008 ML320 CDI Highway Cruiser 2006 Toyota Prius, Saving the Planet @ 48 mpg 2000 F-150, Destroying the Planet @ 20 mpg TRUMP .......... WHITEHOUSE HILLARY .........JAILHOUSE BERNIE .......... NUTHOUSE 0BAMA .......... OUTHOUSE
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#8
12-12-2006, 11:00 PM
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Quote:
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-justin 1987 300TD, 1987 300TD 2008 R32, 2000 Passat Wagon
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#9
12-12-2006, 11:27 PM
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Bad seals in the leveling pump let the hydraulic fluid into the oil, which thins out the oil. What brought this to mind was the comment about the oil appearing to have solvent in it.
__________________
Palangi 2004 C240 Wagon 203.261 Baby Benz 2008 ML320 CDI Highway Cruiser 2006 Toyota Prius, Saving the Planet @ 48 mpg 2000 F-150, Destroying the Planet @ 20 mpg TRUMP .......... WHITEHOUSE HILLARY .........JAILHOUSE BERNIE .......... NUTHOUSE 0BAMA .......... OUTHOUSE
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#10
12-12-2006, 11:34 PM
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It is a wagon. I have never had an issue with the hydraulic leveling but I will mention it to the mechanic, thanks.
__________________
sophie2 1987 300TD, 168K 1981 300D 220K 1968 250S W115 Diesel Converted, 2006 E320 CDI 2006 Yanmar 3YM30 / Vindo Sloop 29 Vintage Bicycles
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#11
12-12-2006, 11:38 PM
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Quote:
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#12
12-12-2006, 11:48 PM
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Come to think of it, I believe 603 has the combined PS/leveling pump. It's the 617 leveling pump that can leak into the oil.
__________________
Palangi 2004 C240 Wagon 203.261 Baby Benz 2008 ML320 CDI Highway Cruiser 2006 Toyota Prius, Saving the Planet @ 48 mpg 2000 F-150, Destroying the Planet @ 20 mpg TRUMP .......... WHITEHOUSE HILLARY .........JAILHOUSE BERNIE .......... NUTHOUSE 0BAMA .......... OUTHOUSE
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#13
12-12-2006, 11:53 PM
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Quote:
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-justin 1987 300TD, 1987 300TD 2008 R32, 2000 Passat Wagon
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#14
12-12-2006, 11:58 PM
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My guess would be fuel mixed with the oil. I had that happen on a gasser once (914 with Webers) when the fuel pressure was too high, causing lots of extra unburned fuel. The result was very thin oil. Maybe a bad injector?
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#15
12-13-2006, 09:12 AM
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Fuel in oil will turn bearings black.
I've had fuel fill the crankcase enough to hit the rod ends, the engine went into runaway burning the fuel tossed around the crankcase (Caterpillar). Not good.
__________________
 Gone to the dark side - Jeff
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