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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

Screeching Turbo??

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Old Jul 8, 2011 | 08:06 AM
  #16  
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Originally Posted by olbattlebuggy
6.0 doesn't have a blow off valve???
Nope That is why they fart through the intake when the butterfly is slammed shut! All the excess boost comes back, out the intake.
Afhoofhooofoooohhhhhhhsihhh
 
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Old Jul 8, 2011 | 08:59 AM
  #17  
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Originally Posted by olbattlebuggy
6.0 doesn't have a blow off valve???

I knew that...... but give the guy a break....only 16 posts here on FTE....he's still learning! And he's in a great place to learn!

battlebuggy, go up to the top of the 6.0 forum and get into those "READ FIRST" posts! They will keep you going for DAYS!
 
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Old Jul 13, 2011 | 11:08 AM
  #18  
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No one was right..... loose nuts on engine side of cat!!! Actually they were the WRONG nuts.....prob from the headgasket repair a year ago......but I can't prove that.....but it wasn't the first time I found shoddy work from that repair. Many body bolts missing/loose from lifting the cab..... they yanked the plastic push screws from the rubber air dam under the grill.....Don't think I'll be using THAT dealer again.
 
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Old Jul 13, 2011 | 11:57 AM
  #19  
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I think I have been having this same problem, at times I hear a noise that sounds like a siren when i decelerate...is that about the same thing??
 
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Old Jul 13, 2011 | 12:22 PM
  #20  
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Not what I heard.... mine was really a SCREECHING noise.....like a metal to metal scraping sound. But hey, it COULD be a beginning of what I had... easy enough to check...crawl under and try to wiggle the CAT pipe BEFORE it goes into the cat. Oh...be dang sure the pipe is COLD!
 
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Old Jul 13, 2011 | 01:37 PM
  #21  
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Originally Posted by 2006lariat
Nope That is why they fart through the intake when the butterfly is slammed shut! All the excess boost comes back, out the intake.
Afhoofhooofoooohhhhhhhsihhh

**cough** **cough** there isnt a butterfly on 6.0L's either...

(not counting the egr throttle on EARLY '03's)

hehehehehehehe just givin' ya a hard time!!!!
 
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