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  #21  
Old July 4th, 2013, 05:38 PM
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steve
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Took the intake manifold off and there is loads of sludge oil...just a film in hoses though. See pic.
I think I'm going to have my turbo rebuilt...
Thoughts?
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  #22  
Old July 4th, 2013, 05:45 PM
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That is normal. The oil comes from the PCV system. If you have functional EGR, it mixes with the oil making a sludge.
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  #23  
Old July 4th, 2013, 05:57 PM
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No egr in mine.

That much is normal?
There is about the same on the turbo outlet.
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  #24  
Old July 4th, 2013, 06:01 PM
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Looks normal to me. Lots of oil goes through the PCV.
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  #25  
Old July 4th, 2013, 07:06 PM
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Hmmm. But there is very little oil on the inlet, and a bunch on the outlet.
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  #26  
Old July 4th, 2013, 07:14 PM
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That picture is the turbo outlet? Looks the same to me.

Sorry, I see what you meant. Possible, I suppose, but I doubt it. An oil leak on the compressor side would not cause white smoke. It would be just like adding fuel. A leak into the exhaust would give white smoke though.
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  #27  
Old July 4th, 2013, 08:25 PM
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I see exactly what your saying. I'm worried enough to replace the turbo, im going on a couple week trip to Mexico in a month so it's worth it. But I worry it won't solve the smoke.

On a separate note. I took a look at the diaphragm and it was oriented strange. I've never messed with the diaphragm on this motor, and was surprised at the orientation. Usually they seem to be from 12 o'clock to 5 o'clock.
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  #28  
Old July 4th, 2013, 08:34 PM
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Were the injectors ever checked???

Quote:
Originally Posted by D90user View Post
Took the intake manifold off and there is loads of sludge oil...just a film in hoses though. See pic.
I think I'm going to have my turbo rebuilt...
Thoughts?
Were the injectors ever checked???
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  #29  
Old July 4th, 2013, 08:56 PM
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I put a new set in 5-10k mi ago. I could pull them but do you think it is worth it?
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  #30  
Old July 4th, 2013, 09:51 PM
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Pull the plunger out and see which side is which. It is possible the dot is not inline with the steep side.
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  #31  
Old July 4th, 2013, 10:15 PM
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I'm sure you have, but have you checked the valve adjustment? Have you pulled the rocker off and checked to make sure there are no bent pushrods? I got a gray-ish, blue-ish exhaust color when I had a very bent pushrod. Also had the same symptoms when I had a push rod not be seated all the way in the cup when putting the head and rockers back on, so when the the pushrod did pop back into place, the valve timing was severely off on one cylinder. The glow plug corresponding to the cylinder with the bad pushrod/adjustment was covered in oil, from the misfire.

However, I don't think you would get ~ 400psi per cylinder if the valve timing was that far off.

I do think that the oil covered glow plug is part of the problem, if I had to guess.
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  #32  
Old July 4th, 2013, 10:21 PM
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Just clean it all out.
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  #33  
Old July 4th, 2013, 10:58 PM
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How much oil are you using & how often ? for me to loose more than a quart in 5,000 miles is too much. I installed a Mann Provent 200 to help capture and return some more of those oil vapors that end up in the intake hose & then make their way through the turbo, intercooler & intake plenum. I'm seeing a lot less oil in the intake now. Search this forum for Mann Provent.
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  #34  
Old July 5th, 2013, 03:23 PM
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Thats for all the suggestions guys.

Mack- I adjusted the valves 2 or so oil changes ago. Nothing seemed a miss but I'll take a look at the push rods, good idea.
The exhaust was moist on that cylinder only as well. After cleaning the plug, re installing and letting sit over night with out running it was wet again, so I'm highly suspect of the stem seal on #3. Ordering a set this week.


Dennis- I was using around a quart of oil between changes. If not a bit more, so too much. I have a mann pro vent ready to install, but I have delayed doing it for the last year to not put a bandaid on a problem that should not be there (smoke). I'm going to install it with the new turbo though after it is all cleaned up.

Red- Thanks, I'll take a look. good info.

Turbo is out, there is more play in the shaft then ever before (there was always a little) so it is definitely time to replace.
Looking at rebuild locally for a couple hundred, OE from ebay UK for $600... or dropping 1500 on a VNT.
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  #35  
Old July 6th, 2013, 07:21 PM
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I pulled the rocker and all the pushrods are straight and no carbon present. Everything looks as it should. That's good!
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  #36  
Old July 18th, 2013, 12:58 AM
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Decided to upgrade with the alli sport/ turbo technics VNT
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  #37  
Old July 18th, 2013, 01:11 AM
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Nice!

Beautiful. You won't be disappointed.
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  #38  
Old July 18th, 2013, 08:17 AM
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Fuel Delivery???

Skimmed through this thread and thought a little more about your issues.
Pull the fuel feed going to the IP out of the filter and see how much fuel comes out when you crank it over. I have a cache of the old metal coffee cans to drop the fuel line into so the output is easily observed without spilling anything.

Your problem could be fuel delivery.
Just recently had a fuel delivery issue with the Mercedes powered 110 and had to replace the tank and 12V pump that was added to eliminate fuel delivery issues.

I always route the fuel from the tank to a sedimenter then to a 12V pump, then to the lift pump, then to the fuel filter and on to the IP. The injector spill over is always joined with the IP return line and goes back to the tank. for some ridiculously idiotic reason many of the 2.25 and 2.5 N/A diesels and other makes join the injector spill over and IP return line and loop it back into the main filter which recirculates any trapped air. This also makes it near impossible to track down a suction line air leak.

Regardless of what Dennis says, most gasoline filters are not diesel compatible, so if you have any in your fuel system, they could be a source of fuel starvation and should be removed.

Just a few thoughts as air in the fuel, water, or fuel starvation can also cause the whitish smoke.

Do you have a sedimenter and if so have you drained it to make sure it isn't filled with water?

Hope this helps...
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Uncle "Richard" Douglas has a Land Rover with big wheels that never gets stuck... until he breaks something so it won't go. Uncle Douglas always breaks something. - Anna Crowther at the Conclave 2012 (AKA Carburetor Neck)

"What's with this death wobble, Uncle Douglas, I can't keep it in 1 lane?"
UD: "Just Power through it man!"
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  #39  
Old August 3rd, 2013, 11:35 AM
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Steve. Did you install it yet? Curious to hear what you think.

Quote:
Originally Posted by D90user View Post
Decided to upgrade with the alli sport/ turbo technics VNT
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  #40  
Old August 3rd, 2013, 12:26 PM
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Yep, got it in last week but have yet to really drive it.
So far smoke seems greatly reduced at raised idle but I haven't really driven it much yet as I dont have the EGT gauge hooked up.

One thing I did notice when getting the old turbo off was that the signal line that runs from the turbo to the IP had a good deal of oil in it. I wonder if that was causing a delay in the signal and over fueling for a moment when I let off the throttle?

I'm working on the egt gauge today so I'll report back after a real drive
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