Well that sucks. I guess a trip to the dealer it is. Gm could be more transparent on updates. Gm says updates aren't discontinued for later models but I know other people have had the same issue not be able to update even with onstar service. It'll be interesting to see when my connected...
Can't say I've ever paid attention to park assist. From infotainment Home Screen go to settings scroll down till you see system/vehicle settings some where in menu find check for updates. You'll be able to see firmware version and clear cache data. You can also go to wifi settings and connect to...
LT4 was designed and engineered for the use of only one on #3 and it only uses half the shell of the bearing. However to my knowledge the LM2 and LZ0 were designed to be used with 2 on #3 and #4. This video post was for everyone that was interested in the reasoning behind Crankshaft End Play...
Here's a good video of a LZ0 engine teardown with less than 8,000 miles that had thrust bearing failure. In video it was discovered that the crankshaft only had one thrust bearing instead of two. Why only one bearing is still in question.
All joking aside. Yes it will most likely leak just like ever other sunroof on every auto manufacturer. I had sunroof seals replaced on a '21 silverado three times. Current truck leaks also. Gm had such a problem with sunroof seals recently, they changed the seal design and added extra relief...