Join Date: Apr 2008
Location: Moyock, NC
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Just had that same issue on my excursion. It sat for a couple months while we did bodywork and paint. Went to drive it and you could hear the turbo whistle and it was boosting (registering on the edge insight). Pulled the turbo and there was some rust where the arm from the solenoid is supposed to rotate. Cleaned it all up and it is good to go again.
Once you get your turbo out, remove the large clamp to separate the exhaust side. You will see the vanes, unison ring, and vgt solenoid arm. Get some 3m reloc discs and clean it all up. I put antisieze on everything, reassembled, then reinstall. Look at the unison ring and make sure it is now wallered out where the solenoid arms rides.
05 F250 4x4 CC, 9.5" Rize/Icon, 38" Toyos, 20x12 Pacers, 5" MBRP, AFE stage 2, Cass 190s, Powermax, ELC w/filter, RCD EGR delete
04 Excursion 4x4, vacation bus
Project 1979 F250 6.0 powered in progress