@cwanja Yes, my "bastard" Plaid is being used as a "test bed" in attempts to determine root cause for this dreaded, and seemingly wide-spread, "vibration at speed" issue. I offered this, "for science," and to help the community. Also, because it really annoys me, like a unspecific rattle would; and because I really don't enjoy driving it in this state (I drive the MYP instead). So, in return, they agreed to give me a S 75D (same color in and out as my bastard) and opened a case for buy-back review/approval (as a "one off customer accommodation" act). I was also granted permission to place a "cover all bases" order for a replacement, which I did on Friday. Strangely, a VIN was assigned yesterday (>72 hours after order placement) with EDD later this week.... We (service manager and I) unmatched the VIN from my order last night, for two reasons; first, buy-back process has yet to render "nay" or "ya," and second, I want a "fresh" VIN - later then the MF454 assigned and later unmatched (i.e., >NF460) to reduce (but not eliminate) the chances of getting another "vibrator" (No,
@Bill Price, that's not a call to order cry
).
Acts performed on my "bastard" that have not resolved the vibration include:
1) New half shafts
2) Rebalance tires and ensure rims are true
3) Adaptive air suspension 4-wheel alignment
4) Check and retorque all suspension components
5) HV pack check
I believe the next "trial and error" act will be front DU replacement. Will learn work/test plan next steps sometime today. Car has been at SC since Monday morning, 11/22. I figure #1 will be determined by week's end, perhaps the buy-back decision as well.
Some might find this frustrating, which it is, but being retired, and a problem-solver/engineer by education, I enjoy managing the potential outcome options, those being;
1) I get my Plaid back fixed and totally gone over from "stem to stern"
2) Buy-back; cash/check payout (Don't buy another Plaid for a while)
3) Buy-back; trade the bastard for a new NF460+ version
Of course, I will keep all paths "alive" for as long as possible, and will not decide which path to "lock in on," until I must. Should buy-back be approved, I will still hold off on a decision until I inspect the product resulting from option #3. Absolute worst case is my car, and Option #3, both result in cars that vibrate. In that case, if buy-back is a "yay," then I will decide either to just keep the better of the two cars, or take the money and run for six months. Even if I take mine back (no SC damage, etc.), it will be well tuned and tight (more so than the new one, even) and will wait, like the rest of the fleet, for a concrete Tesla fix. Might even be as simple as firmware for the HV-DU controller. Who knows!
So there you have it!
I know, tl;dr...
@WilliamG