Topics / Drive unit
Drive unit
4 article(s) on «Drive unit». Most serious issues first.
MajorModel SModel X
50-7000 USDModel S/X: LDU problems (the large rear motor), seal leak and failure
A typical 2012-2020 defect: coolant leaks past the rotor seal into the stator/inverter, an insulation fault (BMS_w172) follows, and the motor dies. Tesla itself dropped rotor cooling in the revision-U motor. What to check, and repair options from $50 DIY to a $7000 reman.
RWDAWD
3 shop(s)Open
MediumModel SModel XModel 3
120-600 USDTesla drive unit oil change: intervals, which fluid, prices in Belarus (M3/Y vs S/X)
Tesla officially calls drive unit fluid lifetime, but independent shops change it every 60-120k km. Which Dexron / KAF1 / ATF-9 goes where, how the M3/Y procedure differs from LDU/RDU, and typical cost.
RWDAWD
4 shop(s)Open
UpgradeModel 3Model Y
~0 USDModel 3/Y: the '990' rear motor, a sturdy workhorse
By field reports the '990' shows good reliability and longevity. The best pick for a pre-facelift.
AWD
MoreOpen
UpgradeModel 3Model Y
1000-2000 USDModel 3/Y: inverter failures on '980' motors
Early 980 rear motors had inverter failures. Symptoms and repair guidelines.
RWDAWD
3 shop(s)Open