Turbo Help Please.....
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Turbo Help Please.....
I was looking for advice. I had my 2003 6.0 in a shop to have the egr and oil cooler replaced. The turbo was running fine before the repair. Now, all I get is hissing under the hood and no high pitched turbo sound under 3,000 rpm. The truck has no power and the loud 2003 turbo noise is very faint. I dont know what they did, but it wasnt doing that before they took the turbo off. They tell me its turbo lag until 3,000 rpm and I need a new turbo. This truck ran fine before they had it. It is so powerless, I can hold it WOT and finally get some turbo wind noise about 3,000 rpm. It still cant get out of it's own way. What could they have done? I cant see the turbo failing the few hours they had it out of the truck. Any help will be great! Im taking it back Monday morning and would like to throw a few ideas at them. They are not a FORD shop. Thanks! Ron
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Joined: Apr 2010
Posts: 19,055
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From: Saratoga Springs,UT
sounds like you may have a bad connection to turbo or cracked y-pipe or an intercooler boot with a pin hole or something
If it ran worse after the coolers were repaired they screwed something up
was that all they did was oil/egr coolers
If it ran worse after the coolers were repaired they screwed something up
was that all they did was oil/egr coolers
Hotshot
Joined: Dec 2003
Posts: 15,368
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From: Stuttgart, Ar
Yup, whoever did the repar FUBAR'd the y-pipe or a turbo boot. It's and easy and simple mistake to make when reinstalling a turbo. DO NOT let them sell you a turbo or unnecessary parts for THEIR mistake.
The most common mistake when reinstalling a 6.0 turbo is to get the y-pipe connection to the back of the turbo in a bind. The marmon (exhaust type) clamp that holds the y-pipe to the back of the turbo will NOT force them to align together and it's VERY easy to overtighten and strip (plus it's $40). To be clear here.......I'm not talking about the exhaust pipe that runs out the back of the truck. I'm talking about the pipes that come from the exhaust manifolds to the back of the turbo. You can see pictures of the y-pipe here: Page 11: Component Locations and here Page 13: Component Locations. The most common spot is labeled as turbine inlet in this picture: Page 34: Air Management System
The most common mistake when reinstalling a 6.0 turbo is to get the y-pipe connection to the back of the turbo in a bind. The marmon (exhaust type) clamp that holds the y-pipe to the back of the turbo will NOT force them to align together and it's VERY easy to overtighten and strip (plus it's $40). To be clear here.......I'm not talking about the exhaust pipe that runs out the back of the truck. I'm talking about the pipes that come from the exhaust manifolds to the back of the turbo. You can see pictures of the y-pipe here: Page 11: Component Locations and here Page 13: Component Locations. The most common spot is labeled as turbine inlet in this picture: Page 34: Air Management System
Logistics Pro
Joined: Nov 2010
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2000$ and its falling on its face? I would snap.
Seems like an up pipe problem.
Any smell of diesel fumes in the cab?
Seems like an up pipe problem.
Any smell of diesel fumes in the cab?
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Fleet Owner
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How do you figure an up-pipe issue vs y-pipe? I believe the y-pipe location is more common.
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2003 turbo
Thanks for all your help. I'll take a look at what I can find from your suggestions and then take it back monday for them to correct. They seemed to think I needed a new turbo. It was just puzzling, it worked fine before they took it apart and reinstalled.
Thanks everyone.
Thanks everyone.
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The diesel fumes are bad. It was never that strong before they worked on it.
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Yup, whoever did the repar FUBAR'd the y-pipe or a turbo boot. It's and easy and simple mistake to make when reinstalling a turbo. DO NOT let them sell you a turbo or unnecessary parts for THEIR mistake.
The most common mistake when reinstalling a 6.0 turbo is to get the y-pipe connection to the back of the turbo in a bind. The marmon (exhaust type) clamp that holds the y-pipe to the back of the turbo will NOT force them to align together and it's VERY easy to overtighten and strip (plus it's $40). To be clear here.......I'm not talking about the exhaust pipe that runs out the back of the truck. I'm talking about the pipes that come from the exhaust manifolds to the back of the turbo. You can see pictures of the y-pipe here: Page 11: Component Locations and here Page 13: Component Locations. The most common spot is labeled as turbine inlet in this picture: Page 34: Air Management System
The most common mistake when reinstalling a 6.0 turbo is to get the y-pipe connection to the back of the turbo in a bind. The marmon (exhaust type) clamp that holds the y-pipe to the back of the turbo will NOT force them to align together and it's VERY easy to overtighten and strip (plus it's $40). To be clear here.......I'm not talking about the exhaust pipe that runs out the back of the truck. I'm talking about the pipes that come from the exhaust manifolds to the back of the turbo. You can see pictures of the y-pipe here: Page 11: Component Locations and here Page 13: Component Locations. The most common spot is labeled as turbine inlet in this picture: Page 34: Air Management System
Thanks for your advice. It is very helpful. I will take a look at some of your suggestions this morning and see if I can find something leaking. Then, Ill have a good leg to stand on when I go back on Monday to have them "look into the Turbo" problem they created. Thanks for the photos.
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From: knox Tn
If you are smelling fumes and have no power it either Y pipe to turbo and or cracked flex connections on the Y pipe, just went though them myself did oil cooler erg delete. When i first got it running took it for test drive no bottom end slow to get up to speed on interstate then above 2000 made little more power. Brought it back and inlet to turbo was off just a 1/8 or so , took me two hours to figuar how to seat it got it right and was better. But still had bad leaks was Y pipe flex joints, replaced Y pipe and it run like hell and no fumes. One way to check is to tape tissue small piece to a coat hanger straightened out hold it around the pipes and connections to see if they are leaking, the tissue will move when the air hits it that way you know when you take it back
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I will be talking to the mechanic on Moday for the reapir without Labor due to not being put back together correctly. My other advice I would like is about the turbo itself. I have 167,000 miles on it. It has done well and I cant see anything wrong with it at this point. I do know they fail. Would you think it would be best to replace it while its all mtorn down or just reinstall the old Turbo. I'm just thinking I should replace now if its getting pretty old then to have to spend the money on one PLUS the labor. I shouldnt have any labor as they need to tear it down and fix the leak and reinstall the Turbo again (either original or reman rebuilt) Just looking ahead and wanting to do the most responsible thing. Thanks so much for all of your replies. You all have been very helpful. Ron
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Hotshot
Joined: Dec 2003
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From: Stuttgart, Ar
Unless they broke the flex joint in the y-pipe there is no reason to remove the turbo to fix that leak. All they have to do is loosen the y-pipe at the exhaust manifolds and the marmon clamp at the turbine inlet, reposition the y-pipe to the turbine inlet and tighten that clamp FIRST, then retighten the y-pipe bolts at the exhaust manifolds.