turbo question - TDR Roundtable

turbo question

10-16-2009, 12:49 PM

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jmorse

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Join Date: Mar 2006 Location: Campbell, NY Posts: 155 Old Reader's Rigs Gallery

turbo question

I have a '07 3500 c&c that is on it's third turbo. There was nothing wrong with the original turbo(fuse for turbo circuit would blow and continued to blow even when the actuator was unpluged) but dealer changed it anyway. When I got the truck back, I complained that the exhaust brake was not as effective as the original turbo. I also had a hissing/whistle under heavy load(couldn't find a leak anywhere) that was not there before.The second turbo lasted about 1500 miles and the bearings failed. The current turbo still is not as strong with the exhaust brake on as the original turbo. Through all of this I lost my automatic cold start high idle feature. Dealer says the update flashes eliminated that feature. I now use the cruise to set high idle after start up. I'm told when replacing the turbo, it must be homed so the computer knows where the actuator is. Is this true ? If so I wonder if they just bolted it on and sent it out the door. Also was told that if the injector codes are not entered during a reflash that the ECM will not know what injectors are in there. Can anyone enlighten me ? I've lost all faith that my dealer has a compotent mechanic.
Thanks,
Jim

__________________
2005 2500 QC SB 4x4,Auto, Rhino liner, Stainless Running boards
2007 3500 C&C 4x4, 6spd. manual,Custom body, Rhino Liner,Stainless Running boards

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