Shut Off Valve - Liquid Cooled Condenser (Remove and Replace)
Correction code
18401502
0.36
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.
NOTE: See Personal Protection to make sure wearing proper PPE when
performing the below procedure. NOTE: See Ergonomic Precautions for safe and healthy working
practices.
- 2026-05-15: Added the step of checking the refrigerant system pressure, and removed the first responder loop steps and Thermal/HVAC performance test steps.
- 2023-04-04: Updated A/C oil type to be used with reference to Fluids and Capacities for A/C oil specifications.
- 2024-02-29: Updated the way of performing the routines from using Toolbox to using the touchscreen.
Torque Specifications
| Description | Torque Value | Recommended Tools | Reuse/Replace | Notes |
|---|---|---|---|---|
| Bolt that attaches the supermanifold-to-compressor A/C line to the supermanifold |
![]() 22 Nm (16.2 lbs-ft) |
|
Reuse | |
| Bolt that attaches the liquid cooled condenser shut off valve connector assembly to the shut off valve |
![]() 5 Nm (3.7 lbs-ft) |
|
Reuse | |
| Liquid cooled condenser shut off valve |
![]() 19 Nm (14.0 lbs-ft) |
|
N/A |
Remove
- Set up the AC machine.
- Open the LH front door and lower the LH front window.
-
Perform the following
routine using Service Mode or Toolbox (see 0005 - Service Modes):
PROC_VCFRONT_X_START-THERMAL-FILL-DRAINvia Service Mode:
- Thermal ➜ Actions ➜ Start Thermal Fill/Drain
- Thermal ➜ Coolant System ➜ Start Coolant Fill/Drain
- Thermal ➜ Refrigerant System ➜ Start Refrigerant Fill/Drain
- Drive Inverter ➜ Front Drive Inverter Replacement ➜ Start Fluid Fill/Drain
- Drive Inverter ➜ Rear Drive Inverter Replacement ➜ Start Fluid Fill/Drain
- Drive Unit ➜ Front Drive Unit Replacement ➜ Start Coolant Fill/Drain
- Drive Unit ➜ Rear Drive Unit Replacement ➜ Start Coolant Fill/Drain
NoteSelect "X" at top right of window to close once complete, Thermal Fluid Fill/Drain routine has a 5 hour time limit, After 5 hours EXV's will close and routine must be performed again, Verify EXV positions are open VIA Garage >Thermal > Refrigerant loop EXV, Verify LCC, CC Left, Evap, CC Right, Chiller are all at ~100%. Recirc is at ~20%, LCC Solenoid is OPENED - Remove the underhood storage unit. See Underhood Storage Unit (Remove and Replace).
- Remove the HEPA filter assembly. See Assembly - Filter - HEPA (Remove and Install).
- Recover the A/C refrigerant. See A/C Refrigerant (Recovery and Recharge).
-
On the touchscreen, make sure that the refrigerant system pressure is at atmospheric level (approx. 1 bar).
NoteOn the touchscreen, touch .
- On the touchscreen, tap to power off the vehicle.
- Remove A/C hoses from the vehicle.
-
Carefully depress the Schrader valves (x2) to level out any pressure difference between the A/C system pressure and the actual ambient atmospheric pressure.
CAUTIONMake sure to depress both Schrader valves. Failure to do so may result in injury.
-
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
-
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 position the line so that oil does not drip out.
-
Release the locking tab, and
then disconnect the electrical connector from the high pressure and
temperature sensor.
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 the main body of the connector to fully disconnect it.
-
Release the locking tab, and
then disconnect the electrical connector from the recirc EXV (expansion
valve).
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 the main body of the connector to fully disconnect it.
-
Release the locking tab, and then disconnect the electrical connector from
the liquid cooled condenser 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 the main body of the connector to fully disconnect it.
-
Release the locking tab, and then disconnect the electrical connector from
the liquid cooled condenser shut off valve.
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 the main body of the connector to fully disconnect it.
-
Release the locking tab, and then disconnect the electrical connector from
the right side cabin condenser 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 the main body of the connector to fully disconnect it.
-
Release the locking tab, and
then disconnect the electrical connector from the high pressure and
temperature subcool sensor.
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 the main body of the connector to fully disconnect it.
-
Release the locking tab, and then disconnect the electrical connector from
the left side cabin condenser 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 the main body of the connector to fully disconnect it.
-
Release the locking tab, and then disconnect the electrical connector from
the chiller 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 the main body of the connector to fully disconnect it.
-
Release the locking tab, and then disconnect the electrical connector from
the evap 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 the main body of the connector to fully disconnect it.
- Remove the supermanifold harness from the supermanifold and rest it on the frunk support beam.
-
Remove the bolt that attaches the
liquid cooled condenser shut off valve coil to the shut off valve.
TIpUse of the following tool(s) is recommended:
- 3 mm hex
-
Remove the liquid cooled condenser shut off valve connector assembly from
the supermanifold.
-
Remove the liquid cooled condenser shut off valve from the
supermanifold.
CAUTIONUse only hand tools to remove the shut off valve. Impact or power tools will break the threads.TIpUse of the following tool(s) is recommended:
- 1588744-00-A - Shut Off Valve Socket, 36mm, 1/2” Drive
Install
- Lubricate the liquid cooled condenser shut off valve threads and O-rings with the appropriate A/C oil. See Fluids and Capacities for A/C oil specifications. Then hand-start the shut off valve into the supermanifold.
-
Fully torque the liquid
cooled condenser shut off valve on the supermanifold.
19 Nm (14.0 lbs-ft)CAUTIONUse only hand tools to install the shut off valve. Impact or power tools will break the threads.TIpUse of the following tool(s) is recommended:- 1588744-00-A - Shut Off Valve Socket, 36mm, 1/2” Drive
-
Position the liquid cooled condenser shut off valve connector assembly on
the shut off valve.
NoteAlign the tab on the connector assembly with the recess on the shut off valve.
-
Install the bolt that attaches the
liquid cooled condenser shut off valve coil to the shut off valve.
5 Nm (3.7 lbs-ft)TIpUse of the following tool(s) is recommended:- 3 mm hex
-
Connect the electrical connector on the evap EXV.
CAUTIONPush the red locking tab towards the connector to engage the locking mechanism. DO NOT push down or pull up on the red locking tab.
-
Connect the electrical connector on the chiller EXV.
CAUTIONPush the red locking tab towards the connector to engage the locking mechanism. DO NOT push down or pull up on the red locking tab.
-
Connect the electrical connector on the left side cabin condenser
EXV.
CAUTIONPush the red locking tab towards the connector to engage the locking mechanism. DO NOT push down or pull up on the red locking tab.
-
Connect the electrical connector on the right side cabin condenser
EXV.
CAUTIONPush the red locking tab towards the connector to engage the locking mechanism. DO NOT push down or pull up on the red locking tab.
-
Connect the electrical connector on the high pressure and temperature
subcool sensor.
CAUTIONPush the red locking tab towards the connector to engage the locking mechanism. DO NOT push down or pull up on the red locking tab.
-
Connect the electrical connector on the liquid cooled condenser shut off
valve.
CAUTIONPush the red locking tab towards the connector to engage the locking mechanism. DO NOT push down or pull up on the red locking tab.
-
Connect the electrical connector on the liquid cooled condenser EXV.
CAUTIONPush the red locking tab towards the connector to engage the locking mechanism. DO NOT push down or pull up on the red locking tab.
-
Connect the electrical connector on the recirc EXV.
CAUTIONPush the red locking tab towards the connector to engage the locking mechanism. DO NOT push down or pull up on the red locking tab.
-
Connect the electrical connector on the high pressure and temperature
sensor.
CAUTIONPush the red locking tab towards the connector to engage the locking mechanism. DO NOT push down or pull up on the red locking tab.
-
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
- Perform the vacuum leak test and oil injection. See Vacuum Leak Test and Oil Injection.
-
Recharge the A/C refrigerant. See
Recharge.
CAUTIONRecharge the refrigerant exactly as instructed. Failure to adhere to the instructions can cause catastrophic damage to the cooling system.NoteDo not disconnect the laptop from the vehicle yet.
- Unlock the vehicle gateway. See Gateway (Unlock).
-
Perform the following
routine using Service Mode or Toolbox (see 0005 - Service Modes):
TEST-SELF_VCFRONT_X_HEAT-PUMP-COMMISSIONINGvia Service Mode:Thermal ➜ Refrigerant System ➜ Commission Heat Pumpvia Service Mode Plus:Drive Inverter ➜ Front Drive Inverter Replacement ➜ Heatpump commissioningvia Toolbox:(link)
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.
- Disable Service Mode. See Service Mode.
- Install the HEPA filter assembly. See Assembly - Filter - HEPA (Remove and Install).
- Install the underhood storage unit. See Underhood Storage Unit (Remove and Replace).
- Raise the LH front window and close the LH front door.