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General Diesel Tech Farm equipment, Medium Duty, Big Rigs, and other General discussion can be found in here. |
06-17-2017, 09:48 PM
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#1
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Name: snowman4evr
Title: Rookie
Status: Not Here
Join Date: Jun 2017
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Posts: 5
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3116 white smoke on acceleration
Hi, we have a recently purchased 1991 kodiak bucket truck with a 3116 and recently it started blowing white on acceleration. Truck starts right up, sounds good, but on acceleration (turning the pto on) the white smoke billows. Has a burnt oil smell to it. Guy we got it from said it had recently been serviced but when we changed the Fuel filters they was in pretty bad shape. I was leaning toward maybe the turbo leaking internally, but wanted to get an expert opinion. thanks (I should also add that when we first got truck, intercooler tube to turbo connection rubber boot was broken all the way around. Replaced this and cant say this is when it started for sure but just wanted to add that)
Ok, I fired it up before I started taking the turbo off today and when I first started it up it wasn't smoking, but after running it about 5 min is when it started, only smoke when you rev it. Took a couple of hours but finally got her off. Definately alot of oil in the exhaust. Turbo wheel felt like it had quite a bit of play maybe a 1/16" not enough to hit the housing but definitely feel it. I never messed with a turbo before, are they fairly easy to rebuild, best place to get a kit from?
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06-18-2017, 09:26 AM
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#2
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Name: biggy238
Title: Too Much Time
Status: Not Here
Join Date: Aug 2008
Location: Just North of Wrong
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Posts: 10,820
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That bad boy needs to go away. You can get a reman from cat that will be assembled and ready to install. You could also contact North American Turbo Systems and see what they can do for you.
Have you looked at the ports on the manifold to see if they are wet or dry?
Sent from my XT1575 using Tapatalk
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06-18-2017, 06:50 PM
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#3
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Name: mhuggler
Title: One piece at a time
Status: Not Here
Join Date: Sep 2007
Location: Uno, Pa.
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Posts: 1,521
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3116's have brass injector sleeves that cause all kinds of problems. Sounds like you have combustion gasses getting past the injector seat. This causes it to run just like one that's getting air in the fuel supply line. If you pull the injectors and find one that's coated in blackness, you found the issue.
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2002 2500 4x4 ETH/DEE-F1 Mach 5's/62/65/12/Smarty/ATS Ex.manifold/AFE intake/TST Comp./.020 marine gasket/o-ringed/ARP studs/5"stacks/Airdog 150/Isspro guages/Southbend 3600 DD/3.54 gears/leveling kit/Bilstein 5100frt,5150rr/37" BFG A/T's on 18" Eagle 114's/Borgeson SS/DSS
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06-18-2017, 08:10 PM
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#4
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Name: snowman4evr
Title: Rookie
Status: Not Here
Join Date: Jun 2017
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Posts: 5
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20170617_202841.jpg
Quote:
Originally Posted by biggy238
That bad boy needs to go away. You can get a reman from cat that will be assembled and ready to install. You could also contact North American Turbo Systems and see what they can do for you.
Have you looked at the ports on the manifold to see if they are wet or dry?
Sent from my XT1575 using Tapatalk
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It appears that there is some oil there, hope thats from the turbo
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06-18-2017, 08:12 PM
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#5
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Name: snowman4evr
Title: Rookie
Status: Not Here
Join Date: Jun 2017
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Posts: 5
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Quote:
Originally Posted by mhuggler
3116's have brass injector sleeves that cause all kinds of problems. Sounds like you have combustion gasses getting past the injector seat. This causes it to run just like one that's getting air in the fuel supply line. If you pull the injectors and find one that's coated in blackness, you found the issue.
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this sounds bad. If this is the case though would she still start and run as good as it does? and if this answer is yes how big a deal is it to pull the injectors? special tools? I have never worked on a cat before just to be honest.
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06-18-2017, 08:38 PM
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#6
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Name: biggy238
Title: Too Much Time
Status: Not Here
Join Date: Aug 2008
Location: Just North of Wrong
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Posts: 10,820
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Pulling them is easy. Putting them back is something a trained technician needs to do.
I would expect a hard start if a cup is passing.
Sent from my XT1575 using Tapatalk
__________________
Check out @bdmaximusworx
05.5 Campanella White TDi Jetta 5spd 45.5MPG
-Little Sexy
'10 Silver F250 CCLB 4X4 6.4L cummins Swapped
Insta @trash.panda250
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06-18-2017, 09:01 PM
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#7
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Name: snowman4evr
Title: Rookie
Status: Not Here
Join Date: Jun 2017
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Posts: 5
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Quote:
Originally Posted by biggy238
Pulling them is easy. Putting them back is something a trained technician needs to do.
I would expect a hard start if a cup is passing.
Sent from my XT1575 using Tapatalk
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whew.. that really had me worried there. Thank you for your post. I seen dollar signs. This truck starts better than any vehicle i have had in the past. Just touch the key. Idles smooth. revs right up.
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06-19-2017, 08:39 AM
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#8
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Name: biggy238
Title: Too Much Time
Status: Not Here
Join Date: Aug 2008
Location: Just North of Wrong
Member`s Gallery
Posts: 10,820
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That's not to say it isn't possible, that's just my expectation.
White smoke is delayed fuel combustion, which can range between a fueling issue and a cylinder condition. Or both.
Sent from my XT1575 using Tapatalk
__________________
Check out @bdmaximusworx
05.5 Campanella White TDi Jetta 5spd 45.5MPG
-Little Sexy
'10 Silver F250 CCLB 4X4 6.4L cummins Swapped
Insta @trash.panda250
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06-19-2017, 10:13 AM
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#9
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Name: zfaylor
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Nov 2010
Location: P-TOWN!, Indiana
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Posts: 5,024
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The amount of oil on the inlet of that turbo leads me to believe there is an engine issue. We can get you fixed up with a modern gated replacement for that old turd of a turbo as well.
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North American Turbo
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06-19-2017, 11:50 AM
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#10
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Name: snowman4evr
Title: Rookie
Status: Not Here
Join Date: Jun 2017
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Posts: 5
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Quote:
Originally Posted by zfaylor
The amount of oil on the inlet of that turbo leads me to believe there is an engine issue. We can get you fixed up with a modern gated replacement for that old turd of a turbo as well.
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yeah, thats what worries me. there was about an 1" of crud built up on the exhaust pipe side of the turbo charger that I got chipped off. You can hear the turbo whine when engine is running but does have some play and dont seem to spin as free as what I would think it should but what do I know. I went to your website, didnt see no email contact. mine is a 7E5200 or from what i have researched a S2BS012 is the schwitzer#. When you say gated, what does that mean?
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