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  #1  
Old 10-10-2010, 05:15 PM
wants to go 2wd to 4wd

 

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Angry Turbo Failure...

I think my turbo is failing or have a massive leak some where... The problem is i build no more than 7 lbs of boost pressure and it makes this wierd noise. I took off all of my IC boots and checked them today underneath the oil they look brand new, also checked the turbo impellar looks fine but couldn't take the tube off between the turbo and the crank case vent... Any ideas?
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Old 10-10-2010, 05:27 PM
aussie=effie
 

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turbo failure

I dont know if these have an "overboost dump valve" but that could be stuck open maybe ? had similiar problem on my Chev 6.5
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Old 10-10-2010, 05:44 PM
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Might want to check your up-pipes(look for black soot around the firewall)..if they are leaking,you wont be able to build alot of boost.
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Old 10-10-2010, 05:55 PM
wants to go 2wd to 4wd

 

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There is a grey'black tint on the fire wall so that might explain that then but would that account for the sound?
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Old 10-10-2010, 05:57 PM
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When my doughnuts were leaking,it did change the sound.Not like a normal exhaust leak..kinda on the verge of a hissing.Hard to explain the sound .
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Old 10-10-2010, 05:58 PM
wants to go 2wd to 4wd

 

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Thata about where i am at and it starts around 4 psi...
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