Valve Body - EXV - Supermanifold (Heat Pump) (Remove and Replace)
Correction code
18401302
1.44
NOTE: Unless otherwise explicitly
stated in the procedure, the above correction code and FRT reflect all of the work
required to perform this procedure, including the linked procedures. Do not stack correction codes unless
explicitly told to do so.NOTE: See Flat Rate
Times to learn more about FRTs and how they are created. To provide feedback on
FRT values, email LaborTimeFeedback@tesla.com. NOTE: See Personal Protection to make sure wearing proper PPE when
performing the below procedure.
- 2025-04-10: Added Note to separately adding correction code 18200102 for refrigerant recovery/recharge and updated steps related to running ODIN routines.
- 2023-04-04: Updated A/C oil type to be used with reference to Fluids and Capacities for A/C oil specifications.
This procedure is to remove and replace any of the electronic expansion valves.
Remove
- Set up A/C machine .
- Open LH front door
- Lower LH front window
- Remove the underhood storage unit. See Underhood Storage Unit (Remove and Replace).
- Connect to vehicle using Toolbox 3.0
- Select "Actions/Autodiag" and search for "Thermal"
- Remove HSD cable from Ethernet port to disconnect Toolbox 3.0 from vehicle
- Disconnect 12V power. See 12V/LV Power (Disconnect and Connect).
- Recover the refrigerant from the vehicle. See A/C Refrigerant (Recovery and Recharge).
-
Remove the bolt that attaches the
supermanifold-to-compressor A/C line to the supermanifold.
TIpUse of the following tool(s) is recommended:
- 13 mm socket
- Flex head ratchet/flex head torque wrench
- 6 in extension
-
Remove the supermanifold-to-compressor
A/C line from the supermanifold, and then hang it on the underhood storage unit support
beam using an s-hook.
NoteCarefully hang the line so that oil does not drip out.
-
Release the connector locks, and then
disconnect the electrical connectors leading up to the desired EXV. Follow the
disconnect order in the example image.
CAUTIONDO NOT push down on the red locking tab. Pull the tab away from the connector until the connector is unlocked, and then continue pulling to release the connector.NoteThe disconnect order is for ease of access.
-
Release the locking tab, and then
disconnect the electrical connector from the desired EXV.
CAUTIONDO NOT push down on the red locking tab. Pull the tab away from the connector until the connector is unlocked, and then continue pulling to release the connector.
- Remove the supermanifold harness from the supermanifold.
- Use a pick to pull the locking tab downward, and then pull toward the front of the vehicle to remove the EXV coil.
-
Remove the EXV valve body from the
supermanifold.
TIpUse of the following tool(s) is recommended:
- 1588745-00-A - Expansion Valve Socket, 28mm, 1/2" Drive
- 6 in extension
- Flex head ratchet/flex head torque wrench
Install
- Lubricate the EXV threads and O-rings with the appropriate A/C oil. See Fluids and Capacities for A/C oil specifications. Then hand-start the valve into the supermanifold.
-
Fully torque the EXV on the
supermanifold.19 Nm (14.0 lbs-ft)TIpUse of the following tool(s) is recommended:
- 1588745-00-A - Expansion Valve Socket, 28mm, 1/2" Drive
- 6 in extension
- Flex head ratchet/flex head torque wrench
-
Install the EXV coil onto the
EXV.
NoteAlign the locking tab on the connector assembly with the recess in the EXV.
- Connect the electrical connectors that were disconnected during removal, and then engage the connector locks.
- Install new seal washers on the supermanifold side of the supermanifold-to-compressor A/C line, and then lubricate the washers with a small amount of the appropriate A/C oil. See Fluids and Capacities for A/C oil specifications..
- Position the supermanifold-to-compressor A/C line on the supermanifold, and then hand tighten the bolt that attaches the A/C line to the supermanifold.
-
Tighten the bolt that attaches the A/C
line to the supermanifold.22 Nm (16.2 lbs-ft)TIpUse of the following tool(s) is recommended:
- 13 mm socket
- Flex head ratchet/flex head torque wrench
- 6 in extension
- Perform A/C vacuum test, and then recharge the refrigerant. See A/C Refrigerant (Recovery and Recharge).
- Connect 12V power. See 12V/LV Power (Disconnect and Connect).
- Connect to vehicle using Toolbox 3.0
- Select "Actions/Autodiag" and search for "commissioning"
-
Perform the following
routine using Service Mode or Toolbox (see 0005 - Service Modes):
TEST-SELF_VCFRONT_X_HEAT-PUMP-COMMISSIONINGvia Toolbox: (link)via Service Mode: Thermal ➜ Refrigerant System ➜ Run Heat Pump Commissioningvia Service Mode Plus: Drive Inverter ➜ Front Drive Inverter Replacement ➜ Heatpump commissioning
NoteIf this routine is not run after entering Thermal Drain/Fill mode, the AC compressor operation will be blocked, Select "X" at top right of window to close once complete
- Select "Actions/Autodiag" and search for "Thermal"
-
Perform the following
routine using Service Mode or Toolbox (see 0005 - Service Modes):
TEST-SELF_VCFRONT_X_THERMAL-PERFORMANCEvia Toolbox: (link)via Service Mode: Thermal ➜ Actions ➜ Test Thermal Performancevia Service Mode Plus:
- Drive Inverter ➜ Front Drive Inverter Replacement ➜ Thermal System Test
- Drive Inverter ➜ Rear Drive Inverter Replacement ➜ Thermal System Test
- Drive Inverter ➜ Rear Left Drive Inverter Replacement ➜ Thermal System Test
- Drive Inverter ➜ Rear Right Drive Inverter Replacement ➜ Thermal System Test
- Drive Unit ➜ Front Drive Unit Replacement ➜ Thermal System Test
- Drive Unit ➜ Rear Drive Unit Replacement ➜ Thermal System Test
- Install the underhood storage unit. See Underhood Storage Unit (Remove and Replace).