06/11/2024 01:57:23
Pump - Coolant - Battery - Supermanifold (Remove and Replace)
Correction code 18401802 0.96 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.
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.
Note
If the coolant pump has been replaced twice, escalate a Toolbox
session before proceed.
- Log into Tesla Garage
- Enter vehicle VIN and select "Search"
-
Check Firmware version
NoteFirmware package installed must be 2021.36 or above for vehicle configuration update and Toolbox routine
- Navigate to "CFG" tab on "Vitals" page
-
Check the coolant pump GTW
configuration, and make sure the configuration is set to
DUAL_MIX.
CAUTIONThe Coolant Pump Identification will depend on this new configuration.NoteIf the configuration is set to DUAL or DUAL_SAN_P4, change the configuration to DUAL_MIX. If the gateway configuration is already set to DUAL_MIX, no further configuration is required.
- Open LH front door
- Lower LH front window
- Connect to vehicle using Toolbox 3.0
- Select "Dashboards" tab, and select "Infotainment Dashboard"
-
Select "Vehicle Configuration"
NoteConfiguration values should load automatically, if not select "Read Config" and "Run" to load
-
Select "Read Config" and select "Run" to
pull current vehicle configuration, Verify configuration change was performed
NoteRead config and verify configuration change was successful, Refresh page if required, Select ‘X’ at top right of window to close once complete
- Scroll down to "coolantPumpType" and change to "Two coolant pumps installed, mixed pole pair batches"
-
Select "Apply Changes" and select "Run"
to save updated configuration
NoteCenter display will reboot, Toolbox connection will be lost, Select ‘X’ at top right of window to close once complete
- Select ‘Actions/Autodiag’ and search for ‘Thermal’
-
Select "Start Thermal Fluid Fill/Drain
(Coolant only)", click Run and allow routine to complete
NoteSelect ‘X’ at top right of window to close once complete, Verify vehicle is in Series via Garage > Vitals > Thermal tab > Coolant loops, Thermal Fluid Fill/Drain routine has a 5 hour limit, After 5 hours routine must be performed again
-
Vehicle preparation
NoteEnsure vehicle is not charging before the repair
- Open hood
-
Remove rear apron
Note14x clips
-
Power off vehicle from center
display
NoteVia Controls > Safety & Security > Vehicle Power > Power Off
-
Disconnect 12V negative terminal and
first responders loop
Note1x nut, 10mm, 6 Nm, 1x connector, Ensure vehicle is in park, climate control system is off, and vehicle is not charging before disconnecting 12V, Negative terminal should be disconnected before FRL, Allow 2 minutes for all electrical circuits to fully discharge
-
Remove fresh air intake duct
Note1x bolt, 10mm, 4 Nm, 2x clips, 1x pin, Remove bolt, Gently pry pin out from thermal beam, then remove from bulkhead studs
-
Disconnect powertrain coolant pump
connector
Note1x locking electrical connector, Do not push down on Red tab, Pull red tab to disengage lock, Pull again to release connector
-
Disconnect battery coolant pump
connector
Note1x locking electrical connector, Do not push down on Red tab, Pull red tab to disengage lock, Pull again to release connector
-
Raise vehicle fully and lower lift onto
locks
NoteSet 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 outer fasteners from front aero
shield
Note7x bolts, 10mm, 5 Nm
-
Remove remaining nuts and remove front
aero shield from vehicle
Note2x nuts, 15mm, 5 Nm
- Position coolant drain container underneath battery coolant pump
-
Remove bolts securing battery coolant
pump to Supermanifold
Note4x bolts, T20, 1.8 Nm
-
Remove battery coolant pump from
Supermanifold
NoteMake sure both o-rings (inner purple, and outer black) come off with old pump
-
Position battery coolant pump to
Supermanifold and install bolts hand tight
Note4x bolts, T20, 1.8 Nm, Lubricate both o-rings with silicone o-ring lubricant, Refer to connector position and install coolant pump with connector tab facing up, Recommend installing upper right bolt with coolant pump for easier installation, Make sure the coolant pump is fully seated
- Remove coolant drain container from underneath vehicle
-
Position the front aero shield to
vehicle and install nuts
Note2x nuts, 15mm, 5 Nm
-
Apply Loctite 222 onto front aero shield
bolts and install outer fasteners to front aero shield
Note7x bolts, 10mm, 5 Nm
-
Lower vehicle until tires are touching
the ground
NoteRaise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
-
Torque bolts securing battery coolant
pump to supermanifold
Note4x bolts, T20, 1.8 Nm
-
Connect battery coolant pump
connector
Note1x locking electrical connector, Engage locking tab
-
Connect powertrain coolant pump
connector
Note1x locking electrical connector, Engage locking tab
-
Remove coolant bottle cap
-
Place empty coolant container into front
storage area
-
Fill container with at least 15L of
coolant
-
Place filled coolant container into
front storage area
-
Setup vacuum refill tool
NoteVerify all valves on refill tool are in the closed position, See image for clarity
-
Install vacuum refill cap onto coolant
bottle assembly
-
Setup vacuum refill tool
NoteVerify all valves on refill tool are in the closed position, See image for clarity
-
Install vacuum refill hose into refill
cap on coolant bottle
NotePerform push-pull-push test to verify hose is fully installed
-
Position overflow hose into empty
container
-
Connect shop air supply to coolant
refill tool
NoteIf not already done, Verify refill valve is set to off
-
Open air inlet valve to draw a vacuum,
Once gauge stabilizes, Fully close valve
NoteGauge stabilizes roughly (60-70 cmHg), Vacuum should not drop after the valves are closed
-
Slowly open the refill valve to allow
coolant to be drawn into the system
NoteMake sure hose end of refill hose is fully submerged during entire process
-
Once the gauge reads zero, close the
refill valve
-
Once the gauge reads zero, close the
refill valve
-
Once the gauge reads zero, close the
refill valve
-
Once the gauge reads zero, close the
refill valve
-
Disconnect shop air supply from coolant
refill tool
-
Remove coolant refill hose from coolant
container
-
Remove coolant overflow hose from
coolant container
-
Remove vacuum refill hose from refill
cap on coolant bottle
-
Remove coolant refill tool from
vehicle
-
Remove both coolant containers from
inside underhood area
-
Connect first responder loop and 12V
negative terminal
Note1x nut, 10mm, 6 Nm, 1x connector, Engage locking tab, Connect FRL first before connecting 12V to avoid damage to car computer
-
Perform the following routine using Service Mode or Toolbox (see 0005 - Service Modes):
PROC_VCFRONT_X_STOP-THERMAL-FILL-DRAINvia Toolbox: (link)via Service Mode:
- Thermal ➜ Actions ➜ Stop Thermal Fill/Drain
- Thermal ➜ Coolant System ➜ Stop Coolant Fill/Drain
- Thermal ➜ Refrigerant System ➜ Stop Refrigerant Fill/Drain
- 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
NoteSelect ‘X’ at top right of window to close once complete -
Perform the following routine using Service Mode or Toolbox (see 0005 - Service Modes):
TEST_VCFRONT_X_THERMAL-COOLANT-AIR-PURGEvia Toolbox: (link)via Service Mode:
- Thermal ➜ Actions ➜ Coolant Purge Stop or Coolant Purge Start
- Thermal ➜ Coolant System ➜ Coolant Purge Start
- 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
NoteMake sure vehicle is not in drive state, Plan is still running despite the stop message, Coolant pumps will be audible, Test lasts approximately 10 mins, Speeds can be monitored in garage under PT Thermal tab, Idle speed = ~1500 RPM, Test will vary speeds from 3500-6500 RPM and actuate valve between SERIES and PARALLEL, Putting vehicle into drive state will stop this routine, If speeds hover at 7000 RPM, that means the pumps are air locked, perform vacuum fill again, Continue to add coolant and purge until the coolant level reaches between the NOM and MAX Lines on the bottle, Select ‘X’ at top right of window to close once complete -
Inspect coolant level and top off as
necessary
NoteEnsure that the fluid level is at the Max line
-
Install coolant bottle cap
-
Perform the following routine using Service Mode or Toolbox (see 0005 - Service Modes):
TEST-SELF_VCFRONT_X_COOLANT-PUMPS-IDENTIFICATIONvia Toolbox: (link)via Service Mode:
- Thermal ➜ Actions ➜ Run Coolant Pumps Identification
- Thermal ➜ Coolant System ➜ Pump Identification
NoteSelect ‘X’ at top right of window to close once complete, Ensure VCFRONT_a490_coolantPumpsNotIdentified has cleared -
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
NoteSelect ‘X’ at top right of window to close once complete. -
Install fresh air intake duct
Note1x bolt, 10mm bolt, 4 Nm, 2x clips, 1x pin, Set clips on bulkhead studs, Secure to thermal bar
-
Install rear apron
Note14x clips, Hold rear wall of frunk to keep from flexing while engaging front clips
- Close hood
-
Remove vehicle from lift
NoteLower rack arms fully and remove from under vehicle if necessary, Remove air suspension from "Jack Mode" if equipped