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Is it possible that all MYs can be retrofitted with castle nuts instead of these lock nuts? Or would that require all new control arms?
Not just through the nut, through the spindle too so no, can’t just slap a castellated but on there. I’m sure some engineering analysis went into the design.Castle nuts require a hole through the fastener to allow a cotter pin to pass through as shown in this picture. Technically you can do it but I would just verify torque and mark with a product like TSI Supercool 12848 Yellow Warranty Seal Marker.
The suspension arm is soft alloy and one end goes into the rubber bush
Typical of the new Tesla imo. It is hard to contain haste.
I'm not seeing any witness marks on the failed joint.. can you point it out please? Are you referring to the galling inside the nut seat?
But he didn't have time and we both thought they looked fine.
Can’t believe people suggested not to report this to the NHTSA. Apologists
ONE car with a safety critical defect that has the potential to cause a fatal accident is ONE car too many.Understood. I agree. But 5 cars may be too many with this.
..... Honestly, your honour!If they are on there and look tight against the lockwasher and you don't have any clunking/popping etc, they should be good.
Maybe they ran out of the wedge-lock, so raided another parts bin in the meantime! A historic ploy by Tesla to keep their figures up it seems.But Tesla is NOT using the Wedge-lock washer. It is using the Nord-lock washer.
The videos show the difference between the two and explain why the Wedge-lock is the better choice for the job.
The Tech aid they only why he could confirm anything was to jack the car, remove the wheels and check with a torque wrench. But he didn't have time and we both thought they looked fine.