I just put together a common issues list and posted it.
Engine reduced power and smoking
Previous post on DPF full limp mode. Car back at dealer. Had done 3 regens last week. soot at 77, said they brought back down to 21. Took car down road about 4 miles and got reduced power light again and lot of black smoke. Brought it on home and drained the diesel out and replaced with Exxon diesel. Returned to dealer. They did two more manual regens. Told them to take it out for test drive before I come pick it up. Same thing happened to tech, loaded up, sputtering, and smoking. Said getting all kinds of error codes. They are uncertain where to go next. I had put some Sea Foam in fuel when I thought it was bad fuel. Would this have caused some additional problems? The black smoke coming out exhaust is new concern, may be coincidental. At 158000 miles is it still necessary to only use dexos 5w-30 oil? Seems like oil is getting into exhaust, and I am seeing oily residue around Turbo. Think the Turbo seal may be best place to start looking? After all this soot and re-gens are all the sensors able to get cleared of soot and oil so they work correctly, or do you think I will be looking at replacement of them too?
Sorry for all questions. Not feeling too good about skill level of dealership and I am a long way from any other ones. Think they need all the help I can find.
Definitely want to get that scanguage II, and have sent inquiry in to be sure it is set up from my Cruze diesel
Sorry for all questions. Not feeling too good about skill level of dealership and I am a long way from any other ones. Think they need all the help I can find.
Definitely want to get that scanguage II, and have sent inquiry in to be sure it is set up from my Cruze diesel
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Silly newbie question - but can a diesel backfire?pressure from a backfire with enough force to break the plastic duct.
The duct is hard plastic, not rubber, isn't it? So it probably becomes brittle with the heat-cycling and cracks, perhaps?This has occured with our two highest mileage CTDs. 158,000 and 186,000.
@diesel this looks like something that we need to write a specific thread about and place it as a sticky.
I'm guessing we will all encounter this mechanical failure in due time. In some ways a refreshing change from emissions system faults.
I was wondering this myself.Silly newbie question - but can a diesel backfire?
I would believe that to be very difficult, due to direct injection, and the fact that diesel won't auto-ignite when it's not compressed.I was wondering this myself.
Will see what parts it takes to get Diesel back on the road again, makes me wonder if this is a weak link on higher miles CTD would it make sense to replace this plastic tube/hose if that is what blows out as a precaution maybe when timing belt is replaced? In other words why wait till it fails??? just a thought.
A very good thought.Will see what parts it takes to get Diesel back on the road again, makes me wonder if this is a weak link on higher miles CTD would it make sense to replace this plastic tube/hose if that is what blows out as a precaution maybe when timing belt is replaced? In other words why wait till it fails??? just a thought.
There's also a guy who makes custom nomex-lined silicone hoses for the aircraft industry. He's currently produced some for duramax. I'm wondering if he'd make a replacement for us.
http://www.csobeech.com/GeeBee.html
That could be a very good idea, maybe that would hold up longer and just need replaced once and then just inspect it at each oil change? I wonder if one was looking it prior to failure if it is showing signs of failure like a crack or something?? maybe not.A very good thought.
There's also a guy who makes custom Kevlar-lined silicone hoses for the aircraft industry. He's currently produced some for duramax. I'm wondering if he'd make a replacement for us.
CSOBeech - Gee Bee Beechcraft Product Store
Diesel said he heard a pop noise so instantly I though backfire but more I think about it I can`t come up with away it would especially with direct injection an compression ignition...................thanks forSilly newbie question - but can a diesel backfire?
making me think. that intake is bolted an clamped an doesn`t move, so why would it blow off an break ??, or it appears like it blew off.
Definitely follow your logic. Could that pop sound have been the duct coming off?Diesel said he heard a pop noise so instantly I though backfire but more I think about it I can`t come up with away it would especially with direct injection an compression ignition...................thanks for
making me think. that intake is bolted an clamped an doesn`t move, so why would it blow off an break ??, or it appears like it blew off.
That was my thought, but then I realized that other then very wrong ignition timing, I didn't know why a gas engine backfires.I would believe that to be very difficult, due to direct injection, and the fact that diesel won't auto-ignite when it's not compressed.
maybe has something to do with boost pressure working away at it . I had a look at mine an it seems to of moved back a bit. going to take it apart when I have more time.
I`m convinced there had to be a positive pressure to make that duct separate from the throttle assembly. a none turbo or none supercharged gas or diesel engine would never do that .Definitely follow your logic. Could that pop sound have been the duct coming off?
Plastic snapping in shear would make a lot of noise.Definitely follow your logic. Could that pop sound have been the duct coming off?
Since this is a intercooler hose, isn't this connecting something bolted to the frame with something bolted to the engine? Since engines do move on the motor mounts under load, there'd would have to be some flex somewhere.
Which raises another question - what happens when the motor mounts start going bad? Because it could cause excess engine movement. This might be the weak link when that starts to happen.
Which raises another question - what happens when the motor mounts start going bad? Because it could cause excess engine movement. This might be the weak link when that starts to happen.
the piece that broke is bolted to the top of the engine so unless the bolt came loose an fell out can`t see how its going to move.Since this is a intercooler hose, isn't this connecting something bolted to the frame with something bolted to the engine? Since engines do move on the motor mounts under load, there'd would have to be some flex somewhere.
Which raises another question - what happens when the motor mounts start going bad? Because it could cause excess engine movement. This might be the weak link when that starts to happen.
The plastic on mine cracked in almost the exact same way as the OP's did, so it seems a common failure area. I talked to the dealer yesterday and they said parts are ordered and they expect them soon.
I am a bit confused though. When this happened, I had smoke and strong diesel fumes, but doesn't an intercooler cool the clean intake air?
I am a bit confused though. When this happened, I had smoke and strong diesel fumes, but doesn't an intercooler cool the clean intake air?
Yes, it should only be compressed air from the turbo. That's a good point - you should not have had either...I am a bit confused though. When this happened, I had smoke and strong diesel fumes, but doesn't an intercooler cool the clean intake air?
So, just the pipe and all is well. i am not sure why they listed that gasket - it's the wrong gasket as far as i can tell, but I am not 100% sure. I am also not sure why the OP needed all the extra stuff. Probably driving it for 20 miles like that caused damage. My soot grams were exactly where they were when the issue happened, and no other components were broken.
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Fellas,
Does anyone know if this can be replaced at home or does it require special tools? I haven't seen anyone else post about this other than this thread here.
Does anyone know if this can be replaced at home or does it require special tools? I haven't seen anyone else post about this other than this thread here.
41 - 60 of 66 Posts
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