Tesla Model 3: Guide - Probing - HV Battery- Install
Install
- Wipe up any spilled coolant.
Caution: Spilled coolant can create an electrical path.
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- Install the HV battery probing guide into the penthouse, and then fasten
the clips that attach the guide to the HV battery.
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- Install the clip that attaches the HV battery penthouse harness to the
HV battery fast charge contactor.
- Install the power conversion system coolant output tube. See
Tube - Output - Coolant - Power Conversion System (Remove and Replace).
Caution:
Make sure that the coolant output tube is securely connected by firmly
pressing down on the fittings, verify that both clips have fully engaged the
barb on the power conversion system and battery flange, and then pull up on the
fittings to check retention.
- Perform a penthouse coolant leak test. See
Penthouse Coolant Leak Test.
- Connect the 12V auxiliary battery negative terminal only.
Torque 6 Nm
Caution: Do not follow the procedure to
connect 12V power at this time
- Connect a 12V charger to the 12V auxiliary battery terminals.
- Refill the coolant. See
Penthouse Coolant (Drain and Refill).
- On the touchscreen, touch Controls > Safety & Security > Vehicle Power >
Power Off.
- Disconnect the 12V charger from the 12V auxiliary battery terminals.
- Disconnect the 12V auxiliary battery negative terminal.
- Install the HV battery negative contactor. See
Contactor - Negative - HV Battery (Remove and Replace).
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SPECIAL TOOLS
Resistance meter, microohm, Hioki RM 3548 (1076927-00-A)
Warning:
Only technicians who have been trained in High Voltage Awareness are
permitted to perform this procedure. Proper per
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
SEE MORE:
Antenna - Wi-Fi (Remove and Replace)
Remove
Remove the LH and RH side rail trims. See Trim - Side Rail - LH (Remove
and Install).
Open the LH and RH hook covers, and then release the clips that attach
the screw covers to the LH and RH coat hooks.
Remove the screws that attach the LH
Remove
Remove the 2nd row lower seat cushion. See
Seat Cushion - Lower - 2nd Row (Remove and Replace).
Remove the bolts that attach the outer 2nd row rail to the body, and
then remove the rail from the vehicle.
Torque 24 Nm
Install
Installation procedure is the reverse of