29/05/2024 18:08:01

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.

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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.
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Note
If the coolant pump has been replaced twice, escalate a Toolbox session before proceed.
  1. Log into Tesla Garage
  2. Enter vehicle VIN and select "Search"
  3. Check Firmware version
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    Note
    Firmware package installed must be 2021.36 or above for vehicle configuration update and Toolbox routine
  4. Navigate to "CFG" tab on "Vitals" page
  5. Check the coolant pump GTW configuration, and make sure the configuration is set to DUAL_MIX.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    The Coolant Pump Identification will depend on this new configuration.
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    Note
    If 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.
  6. Open LH front door
  7. Lower LH front window
  8. Connect to vehicle using Toolbox 3.0
  9. Select "Dashboards" tab, and select "Infotainment Dashboard"
  10. Select "Vehicle Configuration"
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    Note
    Configuration values should load automatically, if not select "Read Config" and "Run" to load
  11. Select "Read Config" and select "Run" to pull current vehicle configuration, Verify configuration change was performed
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    Note
    Read config and verify configuration change was successful, Refresh page if required, Select ‘X’ at top right of window to close once complete
  12. Scroll down to "coolantPumpType" and change to "Two coolant pumps installed, mixed pole pair batches"
  13. Select "Apply Changes" and select "Run" to save updated configuration
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    Note
    Center display will reboot, Toolbox connection will be lost, Select ‘X’ at top right of window to close once complete
  14. Select ‘Actions/Autodiag’ and search for ‘Thermal’
  15. Select "Start Thermal Fluid Fill/Drain (Coolant only)", click Run and allow routine to complete
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    Note
    Select ‘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
  16. Vehicle preparation
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    Note
    Ensure vehicle is not charging before the repair
  17. Open hood
  18. Remove rear apron
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    Note
    14x clips
  19. Power off vehicle from center display
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    Note
    Via Controls > Safety & Security > Vehicle Power > Power Off
  20. Disconnect 12V negative terminal and first responders loop
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    Note
    1x 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
  21. Remove fresh air intake duct
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    Note
    1x bolt, 10mm, 4 Nm, 2x clips, 1x pin, Remove bolt, Gently pry pin out from thermal beam, then remove from bulkhead studs
  22. Disconnect powertrain coolant pump connector
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    Note
    1x locking electrical connector, Do not push down on Red tab, Pull red tab to disengage lock, Pull again to release connector
  23. Disconnect battery coolant pump connector
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    Note
    1x locking electrical connector, Do not push down on Red tab, Pull red tab to disengage lock, Pull again to release connector
  24. Raise vehicle fully and lower lift onto locks
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    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
  25. Remove outer fasteners from front aero shield
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    Note
    7x bolts, 10mm, 5 Nm
  26. Remove remaining nuts and remove front aero shield from vehicle
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    Note
    2x nuts, 15mm, 5 Nm
  27. Position coolant drain container underneath battery coolant pump
  28. Remove bolts securing battery coolant pump to Supermanifold
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    Note
    4x bolts, T20, 1.8 Nm
  29. Remove battery coolant pump from Supermanifold
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    Note
    Make sure both o-rings (inner purple, and outer black) come off with old pump
  30. Position battery coolant pump to Supermanifold and install bolts hand tight
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    Note
    4x 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
  31. Remove coolant drain container from underneath vehicle
  32. Position the front aero shield to vehicle and install nuts
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    Note
    2x nuts, 15mm, 5 Nm
  33. Apply Loctite 222 onto front aero shield bolts and install outer fasteners to front aero shield
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    Note
    7x bolts, 10mm, 5 Nm
  34. Lower vehicle until tires are touching the ground
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    Note
    Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
  35. Torque bolts securing battery coolant pump to supermanifold
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    Note
    4x bolts, T20, 1.8 Nm
  36. Connect battery coolant pump connector
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    Note
    1x locking electrical connector, Engage locking tab
  37. Connect powertrain coolant pump connector
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    Note
    1x locking electrical connector, Engage locking tab
  38. Remove coolant bottle cap
  39. Place empty coolant container into front storage area
  40. Fill container with at least 15L of coolant
  41. Place filled coolant container into front storage area
  42. Setup vacuum refill tool
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    Note
    Verify all valves on refill tool are in the closed position, See image for clarity
  43. Install vacuum refill cap onto coolant bottle assembly
  44. Setup vacuum refill tool
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    Note
    Verify all valves on refill tool are in the closed position, See image for clarity
  45. Install vacuum refill hose into refill cap on coolant bottle
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    Note
    Perform push-pull-push test to verify hose is fully installed
  46. Position overflow hose into empty container
  47. Connect shop air supply to coolant refill tool
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    Note
    If not already done, Verify refill valve is set to off
  48. Open air inlet valve to draw a vacuum, Once gauge stabilizes, Fully close valve
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    Note
    Gauge stabilizes roughly (60-70 cmHg), Vacuum should not drop after the valves are closed
  49. Slowly open the refill valve to allow coolant to be drawn into the system
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    Note
    Make sure hose end of refill hose is fully submerged during entire process
  50. Once the gauge reads zero, close the refill valve
  51. Once the gauge reads zero, close the refill valve
  52. Once the gauge reads zero, close the refill valve
  53. Once the gauge reads zero, close the refill valve
  54. Disconnect shop air supply from coolant refill tool
  55. Remove coolant refill hose from coolant container
  56. Remove coolant overflow hose from coolant container
  57. Remove vacuum refill hose from refill cap on coolant bottle
  58. Remove coolant refill tool from vehicle
  59. Remove both coolant containers from inside underhood area
  60. Connect first responder loop and 12V negative terminal
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    Note
    1x nut, 10mm, 6 Nm, 1x connector, Engage locking tab, Connect FRL first before connecting 12V to avoid damage to car computer
  61. Connect to vehicle using Toolbox 3.0
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    Note
    Vehicle connection is integrated into drivers footwell cover, Open Toolbox 3 website and establish connection to the vehicle. https://toolbox.teslamotors.com, Select connection status icon at top right corner, and select connect locally (icon will turn green when vehicle is connected)
  62. Select ‘Stop Thermal Fluid Fill/Drain’, click ‘Run’, and allow routine to complete
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    Note
    Select ‘X’ at top right of window to close once complete
  63. Select ‘Actions/Autodiag’ tab and search for ‘ Purge'
  64. Select ‘TEST_VCFRONT_X_THERMAL-COOLANT-AIR-PURGESearch for routine in ToolboxCoolant Air PurgeThermal / Coolant System - Coolant Purge Starthv / Front Drive Inverter Replacement - Coolant Air Purgehv / Rear Drive Inverter Replacement - Coolant Air Purgehv / Rear Left Drive Inverter Replacement - Coolant Air Purgehv / Rear Right Drive Inverter Replacement - Coolant Air Purgehv / Front Drive Unit Replacement - Coolant Air Purgehv / Rear Drive Unit Replacement - Coolant Air PurgeThermal / Actions - Coolant Purge Stop or Coolant Purge Start ’, click ‘Run’, and allow routine to complete
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    Note
    Make 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
  65. Inspect coolant level and top off as necessary
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    Note
    Ensure that the fluid level is at the Max line
  66. Install coolant bottle cap
  67. Select ‘Actions/Autodiag’ and search for ‘Pump’
  68. Select TEST-SELF_VCFRONT_X_COOLANT-PUMPS-IDENTIFICATIONSearch for routine in ToolboxCoolant Pumps IdentificationThermal / Coolant System - Pump IdentificationThermal / Actions - Run Coolant Pumps Identification, click ‘Run’, and allow routine to complete
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    Select ‘X’ at top right of window to close once complete, Ensure VCFRONT_a490_coolantPumpsNotIdentified has cleared
  69. Select ‘Actions/Autodiag’ and search for ‘Thermal’
  70. Select ‘TEST-SELF_VCFRONT_X_HEAT-PUMP-THERMAL-PERFORMANCESearch for routine in ToolboxHeat Pump Thermal System Performance Test’, click ‘Run’, and allow routine to complete
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    Note
    Select ‘X’ at top right of window to close once complete.
  71. Remove HSD cable from Ethernet port to disconnect Toolbox 3.0 from vehicle
  72. Install fresh air intake duct
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    Note
    1x bolt, 10mm bolt, 4 Nm, 2x clips, 1x pin, Set clips on bulkhead studs, Secure to thermal bar
  73. Install rear apron
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    Note
    14x clips, Hold rear wall of frunk to keep from flexing while engaging front clips
  74. Close hood
  75. Remove vehicle from lift
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    Note
    Lower rack arms fully and remove from under vehicle if necessary, Remove air suspension from "Jack Mode" if equipped
  76. Raise LH front window
  77. Close LH front door