HVAC Assembly (Remove and Replace)
Correction code 18101002 4.98 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 proper PPE is worn when performing the below procedure.
Remove
- Open all four doors
- Lower LH and RH front windows
-
Turn the HVAC on, turn the A/C off ,
and set the blower speed to 10. Set the temperature to HI and run for 10 minutes.
NoteThis will clear most of the oil out of the cabin condenser
-
While waiting to finish the previous
step, remove the underhood storage unit. See Underhood Storage Unit (Remove and Install).
NoteDo not remove the frunk seal.
-
Turn off the HVAC and let it sit for 1
minute.
NoteMake sure both compressor and blower are off, this allows refrigerant inside cabin condenser to return to the accumulator
-
Turn the HVAC back on, turn the A/C
on, set the blower speed to 10 and the Temperature to LO, and run the HVAC for 10
minutes.
NoteThis step will clear most of the oil out of the evaporator
-
While waiting to finish the previous
step, perform the substeps listed below. See A/C Refrigerant (Recovery and Recharge).
- Turn on the A/C machine.
- Flush the hoses.
- Remove the cowl screen panel.
-
Turn off the A/C and blower
motor.
- Fully recline both front seats, and move them fully rearward.
-
Adjust steering column fully rearward
and fully down.
NoteVia UI > Controls > Steering , Use left steering wheel scroll wheel to adjust steering column
-
Perform the substeps listed below to
recover the A/C refrigerant. See A/C Refrigerant (Recovery and Recharge).
- Run the Toolbox refrigerant fill/drain routine.
- Disconnect LV power.
- Remove the wiper module.
- Recover the A/C refrigerant.
- While the refrigerant is being recovered, remove the center console assembly. See Center Console Assembly (Remove and Replace).
-
Remove the bolts (x2) that attach HVAC
penta line to the bulkhead and HVAC assembly.Tip: Use of the following tool(s) is recommended:
- 13 mm socket
- 10 in extension
-
Remove the bolt that attaches the HVAC
assembly to the bulkhead.Tip: Use of the following tool(s) is recommended:
- 10 mm deep socket
- 6 in extension
-
Remove the bolts that attach the upper
steering column bracket to the bulkhead.Tip: Use of the following tool(s) is recommended:
- 13 mm deep socket
- 6 in extension
- Remove the IP sub-assembly. See Sub Assembly - Instrument Panel (Remove and Replace).
- Remove the cross car beam from the vehicle. See Cross Car Beam (Remove and Replace).
-
Disconnect HVAC blower connector x059
and HVAC case connector x058 from the RH body controller.
NoteRelease the harness clip for access.
-
Release LH and RH rear vent ducts from
HVAC assembly.
-
Remove the bolt that attaches the HVAC
assembly to the bulkhead.Tip: Use of the following tool(s) is recommended:
- 10 mm deep socket
- 6 in extension
-
Remove the HVAC assembly from the
vehicle.
NoteRemove HVAC assembly towards rear of vehicle. Rotate counter clockwise and remove out of passenger front door. Assistance recommended.
Install
-
Install the HVAC assembly to
vehicle.
NoteInstall front of HVAC assembly through passenger front door. Rotate counter clockwise and install towards front of vehicle.
-
Install the bolt that attaches the HVAC assembly to the bulkhead.Tip: Use of the following tool(s) is recommended:
- 10 mm deep socket
- 6 in extension
-
Install the bolt that attaches the HVAC assembly to the bulkhead.Tip: Use of the following tool(s) is recommended:
- 10 mm deep socket
- 6 in extension
-
Replace the seal washers (x5) on the
HVAC side of the penta line.
NoteLube seal washers with ND-11 oil
-
Position the penta line on the
bulkhead and HVAC assembly, and then install bolts (x2) that attach the penta line to
HVAC assembly.Tip: Use of the following tool(s) is recommended:
- 13 mm socket
- 10 in extension
-
Perform the substeps listed below to start the A/C recharge process. See A/C Refrigerant (Recovery and Recharge).
- Connect the A/C machine hoses to the vehicle.
- Make sure the refrigerant fill/drain routine is active.
- Add vacuum to the system and perform a leak test for 15 minutes.
- Begin the refrigerant recharge.
-
Install LH and RH rear vent ducts to
HVAC assembly
-
Connect HVAC blower connector x059 and
HVAC case connector x058 on the RH body controller.
NoteInstall the harness clip.
-
Install the cross car beam, IP sub-assembly, and all interior parts except for
the center console. See Cross Car Beam (Remove and Replace).
NoteThe center console and underhood parts will be installed in later steps.
-
Connect the First Responder Loop and
LV battery connector.
NoteSecure FRL first. Seat LV battery connection and push black connector lock inwards to secure. Engage upper locking tab when fully seated.
-
Perform the substeps listed below to finish the A/C recharge process. See A/C Refrigerant (Recovery and Recharge).
- Enable Service Mode via touchscreen.
- Stop the thermal fill/drain routine.
- Run the heat pump commissioning routine.
- Perform the Hose Equalize steps as instructed by the A/C machine.
- Install the caps (x2) on the underhood A/C service ports.
- Run the post-repair thermal system routines (x3).
- Install all underhood and wiper components.
- Install the center console. See Center Console Assembly - 1st Row (Remove and Install).
-
Adjust the steering column back to its
original position.
NoteVia UI > Controls > Steering. Use the left steering wheel scroll wheel to adjust steering column.
-
Calibrate the rear doors.
NoteIf the "Calibration Needed" message appears on the vehicle touchscreen, touch and hold Calibrate to calibrate the rear doors.