Help Please!!! Exhaust Smoken
06-19-2009, 07:58 AM
#1
Help Please!!! Exhaust Smoken
Im usually able to figure out all the problems that are wrong with my car by doing my research here on SL but im stuck here. Any help would be greatly appriciated.
The Problem:
Anyways, Im having an issue with my exhaust smoken. I have been boosted for 4 months now and since day 1, my car would give a little puff out the exhaust everytime i shifted when racing at the track. That was then which i was pretty sure was normal, but now i have new problems. Now its constantly smoken even while idaling. I dont make a cloud of smoke but when its idaling, it smokes enough to be able to see it from a distance. When i come to a stop at a red light/stop sign, i am able to see the smoke from my rear view mirror but again, its not a bunch like a cloud or anything.
Some Info:
1.) I have a Dezod S1 Kit w/ catless exhaust
2.) The smoke is 100% white (no blue tint or anything)
3.) Did a compression test and its 180 on all four cylinders
4.) No collant or oil missing
5.) No smoke coming from the dip stick tube or breather.
6.) Because i know someone will bring this up, its not cold outside. The temps here are like 85-90 degrees.
7.) A/F's are fine (14.5-15.0 normal driving, 10.5-11.5 boosted)
8.) Oil and collant look like new.
All i can think of is that its the seals on the turbo but not sure how to check them. Is there a way to check and find out if there bad? Is there anything else that i can check to see why its smoken like this?
Thanks again for your input on this.
Update:
After removing the intercooler pipes and intake pipe, i found there were no signs of oil there. But then i removed the downpipe and found what looked like a small sludge of oil at the back of the turbine around where the shaft would go into. Its only a little bit though, not much. Also, one of the fins from the turbine looks wet. Just 1fin. Is it possible that i may have just blown the exhaust side of the seal?
Im not sure if this is a test proccedure but i tried it anyways. I came up with the bright idea of disconnecting the feed and return line. I then held my finger to clog the return line and blew some air from my mouth into the feed line to see if the seal would leak air. No air came out of the intake side of the turbo but a little hiss was coming out of the exhauast side. Does this help any on the diagnoises part?
The Problem:
Anyways, Im having an issue with my exhaust smoken. I have been boosted for 4 months now and since day 1, my car would give a little puff out the exhaust everytime i shifted when racing at the track. That was then which i was pretty sure was normal, but now i have new problems. Now its constantly smoken even while idaling. I dont make a cloud of smoke but when its idaling, it smokes enough to be able to see it from a distance. When i come to a stop at a red light/stop sign, i am able to see the smoke from my rear view mirror but again, its not a bunch like a cloud or anything.
Some Info:
1.) I have a Dezod S1 Kit w/ catless exhaust
2.) The smoke is 100% white (no blue tint or anything)
3.) Did a compression test and its 180 on all four cylinders
4.) No collant or oil missing
5.) No smoke coming from the dip stick tube or breather.
6.) Because i know someone will bring this up, its not cold outside. The temps here are like 85-90 degrees.
7.) A/F's are fine (14.5-15.0 normal driving, 10.5-11.5 boosted)
8.) Oil and collant look like new.
All i can think of is that its the seals on the turbo but not sure how to check them. Is there a way to check and find out if there bad? Is there anything else that i can check to see why its smoken like this?
Thanks again for your input on this.
Update:
After removing the intercooler pipes and intake pipe, i found there were no signs of oil there. But then i removed the downpipe and found what looked like a small sludge of oil at the back of the turbine around where the shaft would go into. Its only a little bit though, not much. Also, one of the fins from the turbine looks wet. Just 1fin. Is it possible that i may have just blown the exhaust side of the seal?
Im not sure if this is a test proccedure but i tried it anyways. I came up with the bright idea of disconnecting the feed and return line. I then held my finger to clog the return line and blew some air from my mouth into the feed line to see if the seal would leak air. No air came out of the intake side of the turbo but a little hiss was coming out of the exhauast side. Does this help any on the diagnoises part?
06-19-2009, 03:19 PM
#4
I edited my original post to answer these two questions. The oil is good as new. I changed my oil about 3 weeks after this happend and it looked normal. My afr's are notmal. they are 14.5-15.0 normal driving and 10.5-11.5 under boost.
06-19-2009, 04:05 PM
#8
its all good. I just want to know if its possible that it could be something else than the seals and is there a way to check to see if the seals are blown. i want to know for sure its the seals before i look for a replacement
06-19-2009, 05:36 PM
#11
Senior Member
SL Member
Join Date: Aug 2006
Location: Miami
Posts: 4,888
you take it to a place that rebuilds turbo and they will let you know. if its the turbo seals. but if you do have oil in your intercooler piping its either your oil return line not letting all the oil go in your oil pan so blowing it in your intercooler pipes or a turbo seal. or piston rings!!
lol i had the same white smoke a lil on idle and when flooring it alot and it happened to be my pistons cracked and rings fryed!
lol i had the same white smoke a lil on idle and when flooring it alot and it happened to be my pistons cracked and rings fryed!
06-19-2009, 05:45 PM
#12
Originally Posted by m6ar2cel6oTC
you take it to a place that rebuilds turbo and they will let you know. if its the turbo seals. but if you do have oil in your intercooler piping its either your oil return line not letting all the oil go in your oil pan so blowing it in your intercooler pipes or a turbo seal. or piston rings!!
lol i had the same white smoke a lil on idle and when flooring it alot and it happened to be my pistons cracked and rings fryed!
lol i had the same white smoke a lil on idle and when flooring it alot and it happened to be my pistons cracked and rings fryed!
06-19-2009, 05:47 PM
#13
Senior Member
SL Member
Join Date: May 2007
Location: Tri Cities Washington
Posts: 2,020
ya but his compression test is stable and good all the way across so its not his pistons or rings. pop your intercooler pipes and your downpipe off and see if their is oil on them and its for sure your turbo . The oil line problem would only happen if the seals were bad.
06-19-2009, 07:07 PM
#15
Ok. I just got done taking apart all the intercooler pipes and intake pipe and no signs of oil were present. But then i took the downpipe off and i think i might have found something. Not to sure though At the back of the exhaust turbine wheel near the shaft, i saw what looked like a little sludge spot around were the shaft goes thru. Also, one of the fins on the exhaust turbine wheel is wet. Not sure if its oil or fuel or whatever but the point is that only one fin looks wet. Any input on this new info?
06-19-2009, 07:38 PM
#16
Originally Posted by a-mendoza
Ok. I just got done taking apart all the intercooler pipes and intake pipe and no signs of oil were present. But then i took the downpipe off and i think i might have found something. Not to sure though At the back of the exhaust turbine wheel near the shaft, i saw what looked like a little sludge spot around were the shaft goes thru. Also, one of the fins on the exhaust turbine wheel is wet. Not sure if its oil or fuel or whatever but the point is that only one fin looks wet. Any input on this new info?
Any oil in the pipes?
Grade of oil being run?
Who tuned the car? Is coolant missing from the system?
06-19-2009, 07:52 PM
#17
Originally Posted by paul_dezod
Originally Posted by a-mendoza
Ok. I just got done taking apart all the intercooler pipes and intake pipe and no signs of oil were present. But then i took the downpipe off and i think i might have found something. Not to sure though At the back of the exhaust turbine wheel near the shaft, i saw what looked like a little sludge spot around were the shaft goes thru. Also, one of the fins on the exhaust turbine wheel is wet. Not sure if its oil or fuel or whatever but the point is that only one fin looks wet. Any input on this new info?
Any oil in the pipes?
Grade of oil being run?
Who tuned the car? Is coolant missing from the system?
2.) No oil in the charged pipes as stated in the origianl post
3.) Iv been running Royal Purple 5W-30 since day 1.
4.) A local tuner around here street tuned it for me.
5.) No Coolant is missing from the system as stayted in the original post.
What you think?
06-19-2009, 08:11 PM
#18
Originally Posted by a-mendoza
Originally Posted by paul_dezod
Originally Posted by a-mendoza
Ok. I just got done taking apart all the intercooler pipes and intake pipe and no signs of oil were present. But then i took the downpipe off and i think i might have found something. Not to sure though At the back of the exhaust turbine wheel near the shaft, i saw what looked like a little sludge spot around were the shaft goes thru. Also, one of the fins on the exhaust turbine wheel is wet. Not sure if its oil or fuel or whatever but the point is that only one fin looks wet. Any input on this new info?
Any oil in the pipes?
Grade of oil being run?
Who tuned the car? Is coolant missing from the system?
2.) No oil in the charged pipes as stated in the origianl post
3.) Iv been running Royal Purple 5W-30 since day 1.
4.) A local tuner around here street tuned it for me.
5.) No Coolant is missing from the system as stayted in the original post.
What you think?
