Thanks for the i.d. on these. I need to listen more carefully to another noise it makes a bit after shutdown but only sometimes.
Understand the fuel pump being brought online beforehand is a good addition, with the ‘old’ ignition switch setup the key turning accomplished this same function but not with the same amount of lead time for sure.
The vents cycling after shutdown, that is interesting. GM’s used to use vacuum for some of that and my 2004 Yukon has the stepper type blend doors if I’m not mistaken. Do the newest GM’s not use vacuum for any of the vents? Interesting.
Thanks again!
