300 tdi excessive white smoke? - Defender Source
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  #1  
Old December 28th, 2014, 08:03 PM
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Mark Miller
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300 tdi excessive white smoke?

Blowing thick white smoke from exhaust, when revving th turbo, lo to no boost, and stalls out. Black deposits dripping from exhaust. Cleaned the sedimenter and changed the fuel filter. Also checked, no blow by from oil fill cap, and no excessive oil in the turbo nine cooler hoses...

What's up?
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  #2  
Old December 28th, 2014, 08:33 PM
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I had white smoke, turned out to be the head gasket.
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  #3  
Old December 29th, 2014, 09:12 AM
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I was afraid of that...
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  #4  
Old December 29th, 2014, 09:21 AM
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Mark, I'm doing mine right now. mine must have popped when I lost my serpentine belt in Raleigh.

Is it the D90 or the RRC?
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  #5  
Old December 29th, 2014, 09:28 AM
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Mark,

It's the d90. stalled out Christmas Day.
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  #6  
Old December 29th, 2014, 10:14 AM
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it must be missing Atlanta. sorry to hear that.
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  #7  
Old December 29th, 2014, 10:19 AM
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First thing to do is smell the smoke. Does it smell like diesel or coolant? Are you losing coolant or engine oil? answer those and we can narrow down where to look.
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  #8  
Old December 29th, 2014, 10:34 AM
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yep. you should have lost coolant if that's it. but it can be hard to tell until it's cooled a bit. check it tonight.
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Old December 29th, 2014, 11:45 AM
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Also, some history would help. Was it running fine before? Has anything been done to it?

My first guess would be severely retarded timing.
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Old December 29th, 2014, 12:21 PM
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Little history. Conversion was done 6 months and less than 1 thousand miles ago. Ran fine for the limited use I have given her, until Christmas Day when it acted fuel starved when I drove home that day. Stalled out about 1 mile from home. Fired her up and limped home 5-10 mph. Almost no turbo boost. Next day I inspected all the lines from the turbo looking for excess oil, and found none. Looked at the coolamnt level, and all levels were fine. Thought since it was white smoke, maybe something had gotten into the system, so I completely cleaned the sedimenter, and changed the fuel filter. Idled smoothly for a couple of minutes, but when i revved the turbo, low to no boost, (5-7psi, and then billowing white clouds, a huge black deposit fell out of the exhaust and she stalled out again...

------ Follow up post added December 29th, 2014 12:26 PM ------

Only work done since conversion, I had the master clutch cylinder replaced...
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  #11  
Old December 29th, 2014, 12:27 PM
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You only will get boost while driving. Reving it up won't do anything. You need load. Have you tried driving it and getting it warm?

Sound like an injection issue to me. Try to give it a run and see what happens. Smell the exhaust. If it smells like diesel, then it is an injection issue. I would first check the timing. It may have jumped a tooth or the adjuster come loose.
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  #12  
Old December 29th, 2014, 12:32 PM
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hmm. well you won't get turbo boost if there is no load on the engine. even sipping coolant, the stalling doesn't sound right. maybe the IP pulley slipped due to the adjustment bolts not being tight enough? if that happened, you would slip to retarded as John mentioned.

if you are not losing coolant, it's probably not a head gasket. but it only takes a little leak of oil or coolant to create massive amounts of smoke. head gaskets usually don't go unless there is an overheating event though, which I don't think you've had in your D90 so far.

with two TDI's, it's time you get the timing pin set and learn how to do that 20 minute job of checking/adjusting timing. and it's easier in your then mine, since the flywheel locking pin hole is easier for you to get to.
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Old December 29th, 2014, 12:33 PM
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Thanks,
Will give her a try. What's the black sludge/ deposit coming out of the tailpipe?
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  #14  
Old December 29th, 2014, 12:36 PM
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Quote:
Originally Posted by Greenbull View Post
Thanks,
Will give her a try. What's the black sludge/ deposit coming out of the tailpipe?
Mark, it's been sitting a while. that's probably condensation from exhaust hitting the cool pipes and turning black from carbon deposits as it runs out. you can see that in brand new cars. the more efficient an engine is, the more water it creates as a biproduct of combustion.
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Old December 29th, 2014, 01:06 PM
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She needs to go back to Atlanta. Wouldn't even back out of my drive. Boost had plenty of load, all white smoke and stalled out. The black deposit I mentioned was thick as oil sludge. I have no issues with my RRC, and the d90 has always smoked a little more. My son who drove behind me on Christmas commented that the exhaust have him a headache. Maybe you guys are right about the timing belt, as I heard some serious noises, something rattling around a couple of weeks ago, but then it got quiet...
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  #16  
Old December 29th, 2014, 01:15 PM
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Quote:
Originally Posted by Greenbull View Post
She needs to go back to Atlanta. Wouldn't even back out of my drive. Boost had plenty of load, all white smoke and stalled out. The black deposit I mentioned was thick as oil sludge. I have no issues with my RRC, and the d90 has always smoked a little more. My son who drove behind me on Christmas commented that the exhaust have him a headache. Maybe you guys are right about the timing belt, as I heard some serious noises, something rattling around a couple of weeks ago, but then it got quiet...
well sludge is a very different story. that sucks. let me know what it ends up being.
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  #17  
Old December 29th, 2014, 02:49 PM
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Interested to see how this one turns out.
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  #18  
Old December 29th, 2014, 04:00 PM
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Mark, has Briggs been over lately? He's fond of this old trick...





Maybe the black sludge was old banana ...


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  #19  
Old December 29th, 2014, 04:45 PM
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Mark, here's a thread to even the playing field.

http://www.expeditionportal.com/foru...th-Gen-4Runner
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  #20  
Old December 29th, 2014, 06:13 PM
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sounds fuel/injection related to me. You opened the system in two places, did you bleed it thoroughly ?
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