2026-04-29

Remove and Clean Radiator (Heat Pump) (Maintenance)

Correction code 18301200 1.26 NOTE: Unless otherwise explicitly stated in the procedure, the correction code and FRT listed above 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 you are wearing proper PPE when performing the procedure below. NOTE: See Ergonomic Precautions for safe and healthy working practices.

Warning

This procedure is a DRAFT. Although it has been validated, Warnings and Cautions might be missing. Follow safety requirements and use extreme caution when working on or near High Voltage systems and components.

2026-04-16: Released new procedure.

Raise and support vehicle

Note
Ensure vehicle is not charging, Remove charging cable if it's plugged in
Open LH front door
Lower LH front window
Run ODIN routine PROC_ICE_X_ENTER-SERVICE-MODEvia Toolbox:(link)
Run ODIN routine
Access thermal system routines via UI

Note
Select Service mode > Thermal
Run ODIN routine PROC_VCFRONT_X_START-THERMAL-FILL-DRAIN-COOLANTvia Toolbox:(link)
Open hood
Power off vehicle from center display

Note
Via Controls > Safety > Power Off, Select Power Off button at warning dialogue box
Remove rear apron

Note
16x trim clips, 3x datums, 2x clips
Remove HEPA filter assembly

Note
2x bolts, 10mm, 10 Nm, Pivot rear edge up past brake reservoir then lift up to clear frunk assembly
Disconnect LV battery and first responder loop

Note
2x connectors, Ensure that one minute has passed after window movement before performing the power-off, Release green locking tab, Press black tab then pull black connector lock outwards to release connection, Release red lock tab on FRL, Allow 2 minutes for all electrical circuits to fully discharge
Remove frunk access panel

Note
3x clips, 3x tabs, 1x connector, Newer vehicles will not be equipped with emergency release switch
Remove bolts securing frunk to vehicle

Note
4x bolts, 10mm, 5 Nm
Remove frunk from vehicle

Note
4x clips, 3x tabs, 2x trim clips, Replace any clips if broken or missing
Remove air intake duct

Note
2x clips, 1x align pin, 1x bolt, 10mm, 4 Nm, Gently pry pin out from thermal beam then remove duct from bulkhead studs
Remove steering gear harness clips from frunk support beam

Note
3x clips
Remove bolts securing frunk support beam to vehicle

Note
2x bolts, E14, 46.5 Nm
Remove frunk support beam from cooling fan module assembly

Note
2x alignment tabs, Slide the frunk support beam towards rear of vehicle
Disconnect active grille shutter actuator connector

Note
1x connector, Pull tab to release lock then pull again to release connector, Do not press down on tab
Raise vehicle fully and lower lift onto locks

Note
Set vehicle to comfortable working height, Ensure an audible click of locks on both sides is heard before lowering, Vehicle may tilt to the side if both locks are not engaged
Remove bolts securing front aero shield

Note
7x bolts, 10mm, 5 Nm
Remove front aero shield

Note
2x nuts, 15mm, 5 Nm
Remove clips secure LH wheel liner to front fascia and valance

Note
3x push clips
Remove clips secure RH wheel liner to front fascia and valance

Note
3x push clips
Remove both side bolts securing valance to fascia

Note
2x bolts, T40, 2.5Nm
Disconnect superhorn connector

Note
1x clip, 1x connector, Do not push down on Red tab, Pull red tab to disengage lock, Pull again to release connector
Remove valance from front fascia

Note
3x bolts, 10mm, 5 Nm, 4x bolts, T40, 2.5 Nm, 6x location tabs
Place coolant catcher below LH front of vehicle
Disconnect radiator inlet hose from radiator

Note
1x spring clip, Plug hose and radiator as needed
Place coolant catcher below RH front of vehicle
Disconnect radiator outlet hose from radiator

Note
1x spring clip, Plug hose and radiator as needed
Remove coolant catcher from under vehicle
Disconnect cooling fan connector

Note
1x connector
Place jack to under cooling fan module assembly

Note
prevent cooling fan module assembly falling
Remove LH bolt securing cooling fan module assembly to front end module

Note
1x bolt, 8mm, 6 Nm, Be careful not to lose the bolt washer
Remove RH bolt securing cooling fan module assembly to front end module

Note
1x bolt, 8mm, 6 Nm, Be careful not to lose the bolt washer
Remove ambient temperature sensor from cooling fan module

Note
1x clip, 1x grommet, Depress tabs to release connector clip
Remove cooling fan module assembly from vehicle

Note
Move jack aside as needed, recommended assistance
Remove active grille shutter from cooling fan module

Note
14x locking tabs, Release locking tabs securing active grill shutter to cooling fan and shroud assembly
Remove radiator from cooling fan module assembly

Note
2x locking tab, 2x holding mount, Release upper and lower locking tabs securing radiator to cooling fan and shroud assembly then draw out from holding mount, If new radiator assembly is found without stone guard follow Stand Alone procedure 18302500402If found with stone guard follow Stand Alone procedure
Remove stone guard

Note
2x clips, 2x datums
Clean debris from radiator

Note
Vacuum both sides of radiator, Do not damage fins of radiator
Clean radiator with compressed air

Note
Clean both sides of radiator with compressed air, Do not damage fins of radiator
Install stone guard

Note
2x clips, 2x datums
Install thermal foam liner

Note
3x foam strips
Install radiator to fan and shroud

Note
2x locking tabs, 2x slots, Slide radiator into slots on shroud then push downwards to engage locking tabs
Install active grille shutter to cooling fan module

Note
14x locking tabs, Ensure all tabs are engaged
Install ambient temperature sensor to active grille shutter

Note
2x locking tabs, 1x rubber plug, ensure sensor locking tabs on correct position
Install cooling fan module assembly to vehicle

Note
2x bolts, 8mm, 6 Nm, Loosely install LH and RH bolts, make sure that washers are aligned, Be careful not to lose the bolt washer
Torque RH bolt securing cooling fan module assembly to front end module

Note
1x bolt, 8mm, 6 Nm
Torque LH bolt securing cooling fan module assembly to front end module

Note
1x bolt, 8mm, 6 Nm
Remove jack from under cooling fan module assembly
Connect cooling fan connector

Note
1x connector
Place coolant catcher below LH front of vehicle
Connect radiator inlet hose to radiator

Note
1x spring clip, Remove plugs from both ends of the coolant connection, Perform push-pull-push test to make sure hose is fully seated
Place coolant catcher below RH front of vehicle
Connect radiator outlet hose to radiator

Note
1x spring clip, Remove plugs from both ends of the coolant connection, Perform push-pull-push test to make sure hose is fully seated
Remove coolant catcher from under vehicle
Lower vehicle fully

Note
Raise lift off locks, Then hold lock release lever to keep locks free while vehicle is lowered
Install frunk support beam to cooling fan module assembly

Note
2x alignment tabs, Position alignment tabs to support beam mounts
Install bolts securing frunk support beam to vehicle

Note
2x bolts, E14, 46.5 Nm
Secure steering gear harness clips to frunk support beam

Note
3x clips
Connect active grille shutter actuator connector

Note
1x connector, Engage locking tab
Install frunk onto vehicle

Note
4x clips, 3x tabs, 2x trim clips, Replace any clips if broken or missing, Ensure aero seal is positioned over frunk leading edge and not under leading edge
Install bolts securing frunk to vehicle

Note
4x bolts, 10mm, 5 Nm
Install frunk access panel

Note
3x clips, 3x tabs, 1x connector, Newer vehicles will not be equipped with emergency release switch
Place towel into front storage area

Note
Prevent front storage area pollution
Remove coolant bottle cap
Place empty coolant container into front storage area
Fill container with coolant

Note
Do not draw in air during fill process, For RWD, The entire system requires coolant is 15L, for AWD, The entire system requires coolant is 18L
Place filled coolant container into front storage area
Install coolant reservoir adapter cap onto coolant bottle assembly

Note
(*Use step for Model Y & NV36 coolant procedures)1x adapter cap, Adapter found in Vacuum Refill kit, turn clockwise to tighten cap onto coolant bottle
Setup vacuum refill tool

Note
Verify all valves on refill tool are in the closed position, See image for clarity
Connect vacuum refill hose to refill cap on coolant bottle

Note
Perform push-pull-push test to verify hose is fully engaged
Position overflow hose into empty container
Place refill hose inside filled coolant container

Note
Make sure hose end is fully submerged into coolant
Connect shop air supply to coolant refill tool
Open air inlet valve to draw a vacuum, Once gauge stabilizes, Fully close valve

Note
Gauge stabilizes roughly (60-70 cmHg), Vacuum should not drop after the valves are closed
Monitor gauge for 30 seconds to verify a vacuum is maintained in cooling system
Slowly open refill valve to allow coolant to be drawn into system

Note
Make sure hose end of refill hose is fully submerged during entire process
Once gauge reads zero, close refill valve
Disconnect shop air supply from coolant refill tool
Remove coolant refill hose from coolant container
Remove coolant overflow hose from coolant container
Disconnect vacuum refill hose from refill cap on coolant bottle
Remove refill tool cap from coolant bottle assembly
Remove coolant refill tool from vehicle
Remove both coolant containers from inside underhood area
Connect first responder loop and LV battery

Note
2x connectors, Secure FRL first, Seat LV battery connection and push black connector lock inwards to secure, Engage green locking tab when fully seated
Run ODIN routine
Run ODIN routine
Run ODIN routine
PROC_VCFRONT_X_STOP-THERMAL-FILL-DRAIN
via Service Mode:
Thermal ➜ Actions ➜ Stop Thermal Fill/Drain
Thermal ➜ Coolant System ➜ Stop Coolant Fill/Drain
Thermal ➜ Refrigerant System ➜ Stop Refrigerant Fill/Drain
via Service Mode Plus:
Drive Inverter ➜ Front Drive Inverter Replacement ➜ Stop Fluid Fill/Drain
Drive Inverter ➜ Rear Drive Inverter Replacement ➜ Stop Fluid Fill/Drain
Drive Inverter ➜ Rear Left Drive Inverter Replacement ➜ Stop Fluid Fill/Drain
Drive Inverter ➜ Rear Right Drive Inverter Replacement ➜ Stop Fluid Fill/Drain
Drive Unit ➜ Front Drive Unit Replacement ➜ Stop Coolant Fill/Drain
Drive Unit ➜ Rear Drive Unit Replacement ➜ Stop Coolant Fill/Drain
via Toolbox:(link)
Run ODIN routine
TEST_VCFRONT_X_THERMAL-COOLANT-AIR-PURGE
via Service Mode:
Thermal ➜ Actions ➜ Coolant Purge Stop or Coolant Purge Start
Thermal ➜ Coolant System ➜ Coolant Purge Start
via Service Mode Plus:
Drive Inverter ➜ Front Drive Inverter Replacement ➜ Coolant Air Purge
Drive Inverter ➜ Rear Drive Inverter Replacement ➜ Coolant Air Purge
Drive Inverter ➜ Rear Left Drive Inverter Replacement ➜ Coolant Air Purge
Drive Inverter ➜ Rear Right Drive Inverter Replacement ➜ Coolant Air Purge
Drive Unit ➜ Front Drive Unit Replacement ➜ Coolant Air Purge
Drive Unit ➜ Rear Drive Unit Replacement ➜ Coolant Air Purge
via Toolbox:(link)
Raise vehicle fully and lower lift onto locks

Note
Set vehicle to comfortable working height, Ensure an audible click of locks on both sides is heard before lowering, Vehicle may tilt to the side if both locks are not engaged
Install valance to front fascia

Note
3x bolts, 10mm, 5 Nm, 4x bolts, T40, 2.5 Nm, 6x location tabs, Make sure all location tabs on correct position in fascia
Connect superhorn connector

Note
1x clip, 1x connector, Engage locking tab
Install both side bolts securing valance to fascia

Note
2x bolts, T40, 2.5 Nm
Install clips secure RH wheel liner to front fascia and valance

Note
3x push clips
Install clips secure LH wheel liner to front fascia and valance

Note
3x push clips
Position front aero shield onto vehicle

Note
2x datums, 2x nuts, 15mm, 5 Nm, Hand-tighten the nuts to temporarily hold the panel in place
Install front aero shield onto vehicle

Note
7x bolts, 10mm, 5 Nm, Apply Loctite 222 onto front aero shield bolts and install fasteners to front aero shield
Torque front aero shield nuts

Note
2x nuts, 15mm, 5 Nm
Lower vehicle fully

Note
Raise lift off locks, Then hold lock release lever to keep locks free while vehicle is lowered
Coolant air purge run time

Note
Run time: 00:10:00, Subtract overlap time spent on other operations while waiting for coolant purge run
Inspect coolant level and top off as necessary

Note
Ensure that fluid level is at Max line, Vacuum fill required if greater than 1L lost during repair
Install coolant bottle cap
Run ODIN routine PROC_ICE_X_EXIT-SERVICE-MODEvia Toolbox:(link)
Install air intake duct

Note
2x clips, 1x align pin, 1x bolt, 10mm, 4 Nm, Position clips onto bulkhead studs then duct secure onto thermal bar
Install HEPA filter assembly

Note
2x bolts, 10mm, 10 Nm, Pivot forward edge down past frunk assembly, Then carefully move rear edge past brake reservoir and into position, Gently press on RH side of filter to seat seal onto duct, Do not pinch washer hose in between HEPA filter assembly and body
Install rear apron

Note
16x trim clips, 3x locator pins, 2x clips, Replace any missing or damaged clips, Ensure pyrotechnic hood actuators are aligned with openings in apron
Close hood
Raise LH front window
Close LH front door
Remove vehicle from lift

Note
Lower rack arms fully and remove from under vehicle

Remove and Clean Radiator (Heat Pump) (Maintenance)

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