I have an exhaust leak - Ford Powerstroke Diesel Forum
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Old 01-06-2013, 07:35 PM
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Lightbulb I have an exhaust leak

Just picked up a 2007 F250 and it sounded like it had an exhaust leak. Crawled under the truck and and sure enough there was a pipe so loose I could move it by hand. Not the pipe coming off the turbo, but looked like it was coming from the driverside manifold? Is that the pipe that feeds the turbo? Truck does have the EGR deleted.

Other observation, the pipe going to (or from?) the intercooler was kinda loose and the blue couplers were very soft as if there was no pressure behind then.

Any idea what I'm looking at? Thanks for the help!
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Old 01-07-2013, 03:28 AM
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The exhaust manifolds are joined together by a y-pipe assembly with 1 side loose you are not getting full exhaust flow to the tubo causeing it to not spin fast enough which inturn causes the fesh air side to not deliver enough air flow to the engine.
fix the loose clamp and it should fix the softness of the boots. Altho the factory boots are thin and therefore relatively soft to begin with. Tightening the loose clamp should fix both problems.
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Old 01-10-2013, 12:21 PM
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Yep, Y pipe was busted. Replaced it, and the stock exhaust with a 5" system.
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