Jul 29, 2019 · I'm having some trouble with a VGT actuator on my 250G. I recently purchased this machine used, 6400 hours, seems to be pretty well maintained. Just for curiosity I checked the …

Aug 31, 2021 · So I recently replaced the head gaskets, head studs, HPFP, and turbos and updated actuator on my 6.4. It has been EGR and DPF deleted, with a straight pipe from the …

Oct 26, 2019 · Hi Guys, Long time viewer, first time poster here. I have a 2014 JD 850k LGP with 3600 hours.Dozer its throwing a code -Code 641.7 - VGT Actuator Out of Range. Was …

Dec 22, 2017 · I have a 2015 6.7 XLT w/ 43k. Builds boost fine until appx. 20 psi then truck will make a sort of shrill noise, dumps boost, and won’t build over 5 PSI...

Sep 11, 2015 · So if anyone has read my other posts , I've been battling turbo boost issues. Thought maybe it was ebp sensor but after talking to a diesel tech he thought it was possible …

Feb 20, 2013 · So VGT actuator what is it and what does it do? the actuautor sits on the side of the turbo and actuates the vanes in the turbo using oil pressure from the low oil pump. The …

Aug 27, 2020 · The coiled pin is reusable and 3mm in diameter. The mini punch shown drives it out easily. I can't take credit for the part numbers. This came from the linked Duramax forum …

Mar 18, 2017 · If vgt goes to min duty cycle, with abnormally high ebp, and low map, the vanes are likely sticking closed. Which, judging by your depiction, would be the failure mode here. If …

Jul 20, 2013 · Had a CEL illuminate on Thursday. Pulled these codes: 2387 VGT actuator Driver Circuit (motor) Mechanical system not responding or out of adjustment 3616 Engine VGT …

Sep 15, 2009 · Apply light pressure to the cam follower (tip of the actuator), while commanding the VGT duty cycle and check for the internal valve movement. Increase the VGT duty cycle to …