Tesla Model 3: Sensor - Rear Motor - Speed (Remove and Replace)
Special tool required for this procedure:
1451839-00-A SKT, EP10 LOW PROFILE
1115031-00-A EXT, WOBBLE, 1/4" DR, 1.25"
Remove
Drain the oil from the rear drive unit. See Gearbox
Fluid - Rear Drive Unit (Drain and Refill).
Disconnect the electrical harness from the resolver
connector.
Release the clips that attach the harness to the
rear drive unit.
Use the low profile EP10 inverted socket
(1451839-00-A) with the 1/4-inch drive wobble
extension (1115031-00-A) to remove the lower
bolt.
Note: The resolver is spring-loaded and might
move during bolt removal.
Remove the bolts that attach the resolver to the
drive unit (1451839-00-A SKT, EP10 LOW PROFILE).
Install
Installation procedure is the reverse of removal, except for
the following:
Install a new resolver gasket if none is supplied with
the resolver.
Install a new oil filter and refill the rear drive
unit with oil. See Gearbox Fluid - Rear Drive Unit (Drain
and Refill).
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SPECIAL TOOLS
Extractor, Drive Unit HV Header, Model 3
(1142608-00-B)
Lever Lock, HV Connector, Model 3 (114
SEE MORE:
Install
Use an IPA wipe to clean the mating surfaces of the positive ring
terminal to the positive busbar, and the negative ring terminal to the
negative busbar.
Install the HV battery fast charge contactor cover onto the HV battery
fast charge contactor, and fasten the clips (x8) that
SPECIAL TOOLS
Brake System Servicing Equipment (1054715-01-A)
Flare nut crowfoot set (1079041-00-A)
Adapter, Brake Bleeder, PowerProbe TS04