01/04/2024 14:00:29

3 Way Coolant Valve - Radiator Bypass (Remove and Replace)

Correction code 18306102 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.

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. Provide corrections and feedback to ServiceDevelopment@teslamotors.com.

Open LH front door
Lower LH and RH front windows
Raise and support vehicle

Note
Set air suspension to "Jack Mode", Position lift arm pads on vehicle jack pads, DO NOT position the lift arm pads under the battery or side rails, as shown in red
Open hood

Note
Via center display > Controls > Frunk Open
Remove rear underhood apron

Note
11x clips, 2x datums
Remove RH underhood apron

Note
11x clips, 2x datums, Remove brush clip at hinge cover first, Take note of clip at headlamp
Remove LH underhood apron

Note
11x clips, 2x datums, Remove brush clip at hinge cover first, Take note of clip at headlamp
Remove front underhood apron

Note
12x clips, 3 datums
Remove frunk access panel

Note
3x clips, 3x hooks, 1x connector
Remove frunk carpet
Remove frunk assembly

Note
8x bolts, 10mm, 5 Nm
Power off vehicle via center display

Note
Controls > Safety & Security > Power Off
Disconnect LV battery connector and First Responder Loop

Note
2x connectors, Lift up and release green locking tab, Pull black connector lock outwards to release connection, Release red lock tab on FRL
Release upper connections on the front controller

Note
2x locking connectors, Push in locking tabs and lift levers to release
Release LH middle connection on the front controller

Note
1x locking connector, Push in locking tab and lift lever to release
Release RH middle connections on the front controller

Note
2x locking connectors, Slide locking mechanism outwards to release
Release lower connections on the front controller

Note
2x locking connectors, Slide red locking tab outwards to release
Remove bolt securing front controller ground cable

Note
1x bolt, 10mm, 10 Nm
Remove bolts securing front controller

Note
3x bolts, 10mm, 10 Nm
Remove front controller from vehicle

Note
2x locating tabs, 1x ground cable
Release frunk harness clip from body and move harness aside

Note
1x fir tree clip, Secure harness to the side
Raise vehicle fully and lower lift onto locks

Note
Set vehicle to comfortable working height, Make sure there's an audible click of the locks on both sides before lowering, otherwise vehicle may tilt to the side
Remove clips securing front aero shield

Note
5x push clips
Remove bolts securing front aero shield and remove from vehicle

Note
9x bolts, 10mm, 6 Nm
Place absorbent material below three way valve

Note
Place to cover steering gear and front skid plate, Will prevent build up of fluid
Remove lower nut securing three way valve to body

Note
1x nut, 10mm, 6 Nm
Lower vehicle until tires are touching the ground

Note
Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
Place coolant catcher below front of vehicle

Note
Position to catch all coolant loss
Release three way valve connection

Note
1x locking connector, Disengage red locking tab and slide tab outwards to release connection
Release coolant hose clip from three way valve

Note
1x fir tree clip
Release battery radiator inlet hose from three way valve

Note
1x hose clip, 2x plugs, Plug both ends
Release thermal bar battery return hose from three way valve

Note
1x hose clip, 2x plugs, Plug both ends
Release three way valve to HV pack hose from three way valve

Note
1x hose clip, 2x plugs, Plug both ends as required
Remove remaining top nut securing three way valve

Note
1x nut, 10mm, 6 Nm
Remove three way valve from vehicle

Note
Separate from studs and remove
Install three way valve to vehicle

Note
Secure onto studs, Install fasteners at later steps
Install top nut securing 3 way valve to body

Note
1x nut, 10mm, 6 Nm
Secure three way valve to HV pack hose onto three way valve

Note
1x hose clip, 2x hose plugs, Remove any plugs and secure hose, Perform push-pull-push test
Secure thermal bar battery return hose onto three way valve

Note
1x hose clip, 2x hose plugs, Remove any plugs and secure hose, Perform push-pull-push test
Secure battery radiator inlet hose onto three way valve

Note
1x hose clip, 2x hose plugs, Remove any plugs and secure hose, Perform push-pull-push test
Secure coolant hose clip onto three way valve

Note
1x fir tree clip
Secure three way valve connection

Note
1x locking connector, Secure connector and fully engage red locking tab
Remove coolant catcher from under vehicle
Raise vehicle fully and lower lift onto locks

Note
Set vehicle to comfortable working height, Make sure there's an audible click of the locks on both sides before lowering, otherwise vehicle may tilt to the side
Install lower nut securing three way valve to body

Note
1x nut, 10mm, 6 Nm
Remove absorbent material from below three way valve

Note
Remove absorbent material and clean away all excess residue
Apply Loctite 222 onto front aero shield bolts and install fasteners securing front aero shield to vehicle

Note
9x bolts, 10mm, 6 Nm
Install clips securing front aero shield

Note
5x push clips
Lower vehicle until tires are touching the ground

Note
Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
Return frunk harness to original position and secure clip

Note
1x fir tree clip
Position front controller for installation and position ground cable

Note
2x locating tabs, 1x ground cable
Install bolts securing front controller

Note
3x bolts, 10mm, 10 Nm, Start with the side bolt
Install bolt securing front controller ground cable

Note
1x bolt, 10mm, 10 Nm
Secure lower connections on the front controller

Note
2x locking connectors, Engage red locking tab
Secure RH middle connections on front controller

Note
2x locking connectors, Verify yellow locking tabs are fully opened, Seat connectors and mechanism will begin to engage
Secure LH middle connection for front controller

Note
1x locking connector, Verify lever is fully opened, Seat connector and lever will being to engage
Secure upper connections for the front controller

Note
2x locking connectors, Verify levers are fully opened, Seat connectors and levers will begin to engage
Remove coolant bottle cap
Fill coolant to the proper level

Note
Ensure that the fluid level filled to the Max line
Connect First Responder Loop and LV battery connector

Note
2x connectors, Secure FRL first, Seat LV battery connection and push black connector lock inwards to secure, Engage upper locking tab when fully seated
Release IP service panel

Note
4x tabs, 2x datums
Using laptop connect to vehicle with ethernet diag kit and Toolbox 3
Select "Actions/Autodiag" tab and search for "Purge"
Select Coolant Air PurgeTEST_VCFRONT_X_THERMAL-COOLANT-AIR-PURGEGen3/tasks/TEST_VCFRONT_X_THERMAL-COOLANT-AIR-PURGE Model3/tasks/TEST_VCFRONT_X_THERMAL-COOLANT-AIR-PURGELow Voltage Controllers Low Voltage ControllersThermal / Actions - Coolant Air PurgeService Mode Service Plus Factory Mode Developer Thermal / Coolant System - Coolant Air PurgeService Mode Service Plus Factory Mode Developer hv / Procedures - Transport Service Plus Developer , click "Run", and allow routine to complete

Note
Make sure vehicle is not in drive state, Routine is still running despite the stop message, Coolant pumps will be audible, Test lasts approximately 10 mins, Putting vehicle into drive state will stop this routine, Monitor levels as required
Inspect coolant level and top off as necessary

Note
Ensure that the fluid level is at the Max line, Top off fluid as required
Install coolant bottle cap
Select ‘Actions/Autodiag’ and search for ‘Thermal’
Select Heat Pump Thermal System Performance TestTEST-SELF_VCFRONT_X_HEAT-PUMP-THERMAL-PERFORMANCEModelY/tasks/TEST-SELF_VCFRONT_X_HEAT-PUMP-THERMAL-PERFORMANCELow Voltage Controllers, click "Run", and allow routine to complete

Note
Select "X" at top right of window to close once complete, If thermal test fails follow https://toolbox.teslamotors.com/articles/206000
Disconnect Toolbox 3 from vehicle and remove laptop and ethernet diag kit
Install IP service panel

Note
2x tabs, 4 datums, Slide forward engaging datums then secure tabs upward into IP
Install frunk assembly

Note
8x bolts, 10mm, 5 Nm
Install frunk carpet

Note
Verify carpet is properly seated under the seal
Install frunk access panel

Note
3x clips, 3x hooks, 1x connector
Install front underhood apron

Note
12x clips, 3x datums
Install LH underhood apron

Note
11x clips, 2 datums
Install RH underhood apron

Note
11x clips, 2x datums
Install rear underhood apron

Note
11x clips, 2x datums
Close hood
Calibrate the rear doors.

Note
If the "Calibration Needed" message appears on the vehicle touchscreen, touch and hold Calibrate to calibrate the rear doors.
Raise LH and RH front windows
Close LH front door