Turbo acting up
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Tuned
Joined: Jun 2008
Posts: 253
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Turbo acting up
My turbo is boostin way too much, the truck sat for a couple of weeks while i was trucking and now when i drive it just screams at me. Barks everytime i let off the pedal, i can get 25 lbs boost at highway speeds on flat ground, not accelerating. I know these turbos get sticky when they sit but when they stick do they still cycle through there little stages when warm idling? Whats wrong??? Its got a liberator egr delete kit, triple dog, straight piped and cold air intake. Never had a problem with it til it sat for 2 weeks
Senior User
Joined: Sep 2007
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The inside of the turbo rusts and locks the vanes in one position. There is rust where the vanes are supposed to move and possibly where the unison ring (which actuates the vanes) mates to the turbo at it's inside diameter.
Your turbo is going to need to be either cleaned or replaced. These trucks can not tolerate sitting idle. I learned the hard way.
Your turbo is going to need to be either cleaned or replaced. These trucks can not tolerate sitting idle. I learned the hard way.
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Tuned
Joined: Jun 2008
Posts: 253
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I just finished tearing apart the turbo, cleaning all the rust off, and all the parts move freely. Runs good, good power, but still getting way too much boost. It cycles nicely when it idles, evrything works as it should but driving it is scary cuz it boosts too much. thinking im gonna dump this thing off to a dealer, im tired of fixing it, i wanna have a reliable driver. this is crap! Its terrible that now a days you have to put $20,000 in aftermarket parts into a $65,000 truck just so its reliable and operates like you would expect!! where did the quality go??? Oh, ya, its an 03 and this is turbo number 2, been to the shop 9 times for turbo removal and cleaning, and im outta ideas
Posting Guru
Joined: Dec 2006
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From: Kansas City/Breckenridge
I just finished tearing apart the turbo, cleaning all the rust off, and all the parts move freely. Runs good, good power, but still getting way too much boost. It cycles nicely when it idles, evrything works as it should but driving it is scary cuz it boosts too much. thinking im gonna dump this thing off to a dealer, im tired of fixing it, i wanna have a reliable driver. this is crap! Its terrible that now a days you have to put $20,000 in aftermarket parts into a $65,000 truck just so its reliable and operates like you would expect!! where did the quality go??? Oh, ya, its an 03 and this is turbo number 2, been to the shop 9 times for turbo removal and cleaning, and im outta ideas
I agree its ridiculous but you can't let any diesel sit no matter make,model, engine
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