High pitch sound from engine compartment
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High pitch sound from engine compartment
Im an owner of an 06 6.0 PS. driving down highway one afternoon and hear a high pitch noise. almost like that of a tuning fork or dog whistle. truck mainly does it when pyro is above 300 degrees. can hear it best at idle but will do it when accelerating or decelerating. turbo still boosts up great.turbo was cleaned and did not help. rubber boots have been replaced. bought a new exaust from turbo back and im still getting this annoying sound. any ideas?
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Remove intake, take out the turbo and swap the pipe. Depends which one is cracked, usually it's the one on the passenger side that connects to the egr cooler. It's bellowed up near the top to allow flexing and it cracks right there usually. It's not a "hard" job, but it is going to be aggrivating and tedious.
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its got 94,000 on it and warrantee is due in about a month but i have had so much trouble with ford stayin true on that stuff. when i took it to them to find out what the sound was they said it was the turbo and they couldnt cover it, even tho two days prior my egr coolers were replaced by them under warrantee. im having a kit put on for 450 parts and labor included.
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based on the people i have talked to its the up pipe and not the turbo. the turbo has been cleaned and inspected. Its just easier for me to put a delete kit on it and besides i dont want anything to do with this egr bs. everythin was better when we didnt have all this emmisions regulations.
and the egr valve is not covered on the warrantee. basically ford is washin their hands of this 6.0 ltr even tho it could have been a great engine with the right people workin the issues
and the egr valve is not covered on the warrantee. basically ford is washin their hands of this 6.0 ltr even tho it could have been a great engine with the right people workin the issues
Last edited by Sandusky11; 03-23-2011 at 09:38 AM.