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Old 12-09-2010, 08:37 PM
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New Turbo no power now

install new turbo cause old one was bad now no boost about 3psi high egts temps are high when give it more gas it will boost higher and lots of black smoke. Have a custom tune with egr delete truck ran great before new turbo also did turbo relearn no help thanks
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Old 12-10-2010, 05:01 AM
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Wow, your post is quite difficult to read. What year is your truck and what turbo did you install? Just as an FYI, most folks experience an exhaust leak at the up-pipe or y-pipe when reinstalling a turbo on the 6.0L. Check for soot on or near the firewall and also check your intercooler boots to ensure they are on good and snug.
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Old 12-10-2010, 06:32 AM
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Sorry its a 03 6.0 stock rebuilt turbo all hoses are good n tight will check ypipe tonight I know it tight at turbo can take ypipe out with turbo still in or take turbo out then ypipe come s out
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Old 12-10-2010, 07:45 AM
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No, you need to remove the turbo to get it out. It won't clear the firewall/engine block to remove it from below. But why would you want to remove it? You wouldn't want to pull the y-pipe out unless you knew it was blown out. Check the connections. Most folks have the best success by loosening the y-pipe from the exhaust manifolds, tightening the y-pipe to turbo flange, and then re-tightening the y-pipe to exhaust manifold bolts.
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Old 12-10-2010, 07:51 AM
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Was this rebuilt turbo used? That y-pipe needs to seat properly into the exhaust housing. With a different turbo, like previously said sometimes you need to loosen the y-pipe at the manifold to make sure it's seated correctly.
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Old 12-10-2010, 11:46 AM
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New rebuilt turbo from garrett will check pipe at turbo tonight
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Old 12-10-2010, 01:29 PM
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If your pipe is leaking or loose you'll be able to see soot coming out the top of the motor in front of the fire wall. If you were not careful and bumped the pipe during the installation of the new turbo you could have cracked the expansion section of the pipe, this can cause low performance, laggy response, high egts, and lots of smoke.

Also do you notice any exhaust smell or soot inside the cab? I know when mine when I had soot rolling in through the vents and you could smell the exhaust in the cab.
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Old 12-12-2010, 11:15 AM
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check y-pipe last night seen a little smoke from that area and remove turbo to check the y-pipe looks good and it look good at the turbo should I put turbo back in and readjust pipe and tighten trying to to get this pos running today thanks for the help
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Old 12-12-2010, 11:21 AM
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If you have the time I would take the pipe off and check the expansion joints for holes. Mine was cracked and there was no way I'd ever be able to see if from just looking back there with the turbo off.
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Old 12-12-2010, 01:07 PM
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pulled the y-pipe and pressure test with shop air no leaks this thing starting to piss me off
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