Harness - Thermal Bar (Remove and Replace)
Correction code 17101302 1.10 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.
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Raise and support vehicle
NotePrepare to raise vehicle, Set air suspension to "Jack Mode", Position lift arm pads on vehicle jack pads
- Remove the underhood storage unit. See
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Power off vehicle from center display
NoteVia Controls > Safety & Security > Power Off
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Disconnect LV battery connector and First Responder Loop
Note2x connectors, Lift up and release green locking tab, Pull black connector lock outwards to release connection
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Verify operation of multimeter
NoteSet multimeter to DC voltage, Confirm multimeter is properly measuring voltage by testing LV battery, Touch lightly and do not damage terminals
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Release clip securing the supermanifold to battery pump supply hose from LV battery
Note1x clip
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Remove fasteners securing the LV battery and move aside
Note3x bolts, 10mm, 9 Nm, 2x datums, Take note of datums and carefully move assembly aside
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Release air quality sensor connection
Note1x connector
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Remove HEPA filter assembly cover
Note2x tabs, 2x datums, 2x slots, , Be cautious and do not damage the mounting clips, Maneuver cover forward and up in front of V-brace cross member
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Remove LV battery from vehicle
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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
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Remove clips securing mid aero shield
Note4x push clips
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Remove bolts securing mid aero shield and remove from vehicle
Note16x bolts, 10mm, 6 Nm
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Install amp clamp to LH RDU HV harness
NoteVerify meter is zeroed out before performing measurement, Measure single cable. Verify ammeter is installed in correct direction._x000A__x000A_ If current > 0.5A do not proceed with disconnecting HV connector. In this case, start vehicle electrical isolation again to make sure that all was properly shut down. Escalate for assistance as required_x000A__x000A_If current < 0.5A, Ok to disconnect and check voltage at HV plug on the battery side.
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Remove all items from pockets and ensure not wearing metal items
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Inspect HV insulating gloves
NoteCheck gloves for damage prior to use, Refer to service document TN-15-92-003, for information on inspecting HV gloves. https://service.teslamotors.com/documents?model=&keys=TN-15-92-003&vehicle_system=&sort_by=field_date_submitted&sort_order=DESC
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Put on HV insulating gloves and leather over gloves
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Release LH RDU HV harness from HV battery
Note1x connector, Hold down red locking tab and disengage the release lever, Do not force the release lever up
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Verify no high voltage at LH rear RDU HV header
NoteMake sure to wear PPE (HV gloves, safety glasses) when working on high voltage component, Verify test equipment is rated CATIII or higher, Measure B+ to Ground, B- to Ground, B+ to B-, If voltage is greater than 10V, Pack contactors are not open or welded, Stop work and reach out to Service Engineering
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Secure LH RDU HV harness to battery pack
Note1x connector, Verify lever is in the upright and open position, Carefully seat connector and allow lever to engage, Fully secure lever and verify red tab is locked, Do not damage any pins
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Remove the leather glove protectors and HV insulating gloves
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Apply Loctite 222 onto mid aero shield bolts and install fasteners securing mid aero shield to vehicle
Note16x bolts, 10mm, 6 Nm
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Install clips securing mid aero shield
Note4x push clips
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Lower vehicle fully
NoteRaise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
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Release upper connections on the front controller
Note2x locking connectors, Push in locking tabs and lift levers to release
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Release LH middle connection on the front controller
Note1x locking connector, Push in locking tab and lift lever to release
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Release RH middle connections on the front controller
Note2x locking connectors, Slide locking mechanism outwards to release
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Release lower connections on the front controller
Note2x locking connectors, Slide red locking tab outwards to release
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Remove bolt securing front controller ground cable
Note1x bolt, 10mm, 10 Nm
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Remove bolts securing front controller
Note3x bolts, 10mm, 10 Nm
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Remove front controller from vehicle and release ground cable from multi system beam
Note2x locating tabs, 1x ground cable
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Disconnect AC compressor logic connector
Note1x locking electrical connector, Do not push down on red tab, Pull to disengage lock, Pull again to release connector
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Remove retaining clip securing AC compressor logic harness to AC compressor HV harness bracket
Note1x fir tree clip
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Remove fastener securing AC compressor HV harness bracket to AC compressor
Note1x bolt, 13mm, 9 Nm
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Disconnect HV harness connector from AC compressor
Note1x locking electrical connector, Move black locking tab away form the AC compressor, Push down on locking connector to release and pull straight out of socket
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Remove AC compressor ground strap
Note1x bolt, T25, 7 Nm
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Release clip securing the coolant hose to the AC compressor bracket
Note1x fir tree clip
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Remove PT coolant pump from AC compressor bracket
NoteSlide pump assembly away from compressor off lower bracket
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Release the HV heat pump bracket from the compressor eyelet
Note1x tab, Release bracket tab and rotate rearward and up to clear compressor eyelet
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Set HV heat pump bracket aside
NoteNegotiate underneath high pressure pipe
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Release compressor bracket from multi-system beam
Note2x bolts, 15mm, 31 Nm, Recommend assistance, Support the AC compressor while removing the fasteners, Carefully remove the AC compressor and AC compressor bracket towards the front of the vehicle and under the multi-system beam, Be cautious around the coolant hose and supermanifold harness, Place fender cover on fan housing and gently place AC compressor assembly down
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Disconnect the sensor for the powertrain supply hose
Note1x locking electrical connector, Do not push down on Red tab, Pull red tab to disengage lock, Pull again to release connector
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Disconnect low pressure PT sensor connector
Note1x locking electrical connector, Do not push down on red tab, Pull red tab to disengage lock, Pull again to release connector, Release harness from supermanifold
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Release thermal harness from Supermanifold
Note1x fir clip, 1x clip
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Release thermal harness from PT coolant pump, Chiller pump, and Octovalve
Note3x locking electrical connectors, Do not push down on red tab, Pull red tab to disengage lock, Pull again to release connector, Move harness away from rear of supermanifold
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Disconnect the coolant bottle level sensor connector
Note1x locking electrical connector, 1x clip, Do not push down on Red tab, Pull red tab to disengage lock, Pull again to release connector
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Remove clips securing heat pump harness at the bottom of coolant bottle
Note2x fir tree clips, Access from RH side of supermanifold
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Disconnect high pressure PT High sensor connector
Note1x locking electrical connector, Do not push down on Red tab, Pull red tab to disengage lock, Pull again to release connector
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Disconnect connector from electronic expansion valve recirc
Note1x locking electrical connector, Do not push down on Red tab, Pull red tab to disengage lock, Pull again to release connector
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Disconnect connector from electronic expansion valve liquid cooled condenser
Note1x locking electrical connector, Do not push down on Red tab, Pull red tab to disengage lock, Pull again to release connector
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Disconnect connector from the shut off valve liquid cooled condenser
Note1x locking electrical connector, Do not push down on Red tab, Pull red tab to disengage lock, Pull again to release connector
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Disconnect connector from the electronic expansion valve cabin condenser right
Note1x locking electrical connector, Do not push down on Red tab, Pull red tab to disengage lock, Pull again to release connector
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Disconnect connector from High pressure PT sub cool sensor
Note1x locking electrical connector, Do not push down on Red tab, Pull red tab to disengage lock, Pull again to release connector
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Disconnect connector from the electronic expansion valve cabin condenser left
Note1x locking electrical connector, Do not push down on Red tab, Pull red tab to disengage lock, Pull again to release connector
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Disconnect electronic expansion valve chiller connector
Note1x locking electrical connector, Do not push down on Red tab, Pull red tab to disengage lock, Pull again to release connector
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Disconnect connector from the electronic expansion valve evap
Note1x locking electrical connector, Do not push down on Red tab, Pull red tab to disengage lock, Pull again to release connector
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Release thermal bar harness guide from supermanifold
Note1x clip, Release clip and slide forward
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Remove thermal bar harness from vehicle
NoteManeuver underneath coolant bottle and multisystem beam
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Install thermal bar harness to vehicle
NoteManeuver underneath multisystem beam and coolant bottle into position
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Secure thermal bar harness guide to supermanifold
Note1x clip, Secure clip and slide rearward
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Connect connector for the electronic expansion valve evap
Note1x electrical connector, Engage locking tab
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Connect electronic expansion valve chiller connector
Note1x electrical connector, Engage locking tab
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Connect connector for the electronic expansion valve cabin condenser left
Note1x electrical connector, Engage locking tab
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Connect connector for the electronic expansion valve right
Note1x electrical connector, Engage locking tab
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Connect connector to High pressure PT sub cool sensor
Note1x electrical connector, Engage locking tab
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Connect connector for the shut off valve liquid cooled condender
Note1x electrical connector, Engage locking tab
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Connect connector for the electronic expansion valve liquid cooled condenser
Note1x electrical connector, Engage locking tab_x000A_
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Connect connector for the electronic expansion valve recirc
Note1x electrical connector, Engage locking tab
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Connect high pressure PT sensor connector
Note1x electrical connector, Engage locking tab
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Secure clips securing heat pump harness at the bottom of coolant bottle
Note2x fir tree clips
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Connect the coolant bottle level sensor and secure harness
Note1x locking electrical connector, 1x clip, Engage locking tab
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Install thermal harness to PT coolant pump, Chiller pump, and Octovalve
Note3x locking electrical connectors, Engage locking tabs
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Secure thermal harness to Supermanifold
Note1x fir clip, 1x clip
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Connect low pressure PT sensor connector
Note1x locking electrical connector, Secure harness to supermanifold, Engage locking tab
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Connect the sensor for the powertrain supply hose
Note1x locking electrical connector, Engage locking tab
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Position AC compressor bracket assembly into vehicle and secure AC compressor assembly to multi-system beam
Note2x bolts, 15mm, 31 Nm, Recommend assistance, Support the AC compressor while installing the fasteners, Carefully install the AC compressor and AC compressor bracket towards the rear of the vehicle and under the multi-system beam, Negotiate bracket around coolant hose and supermanifold harness, Hand start bolts
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Torque AC compressor bracket bolts to multi-system beam
Note2x bolts, 15mm, 31 Nm
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Position HV heat pump bracket
NoteNegotiate underneath high pressure pipe
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Secure HV heat pump bracket to AC compressor eyelet
NoteEnsure locking tab engages eyelet
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Connect HV harness connector to AC compressor
Note1x locking electrical connector, 3 stage locking connector, After fully seating the connector onto the AC compressor engage the black locking tab by pushing toward the AC compressor, Perform push-pull-push test to ensure proper seating
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Install fastener securing AC compressor HV harness bracket to AC compressor
Note1x bolt, 13mm, 9 Nm
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Install AC compressor ground strap
Note1x bolt, T25, 7 Nm
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Secure PT coolant pump onto AC compressor bracket
NoteSlide pump assembly onto compressor lower bracket
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Install clip securing the coolant hose to the AC compressor bracket
Note1x fir tree clip
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Position front controller for installation and position ground cable
Note2x locating tabs, 1x ground cable
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Install bolts securing front controller
Note3x bolts, 10mm, 10 Nm. Start with the side bolt
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Install bolt securing front controller ground cable
Note1x bolts, 10mm, 10 Nm
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Secure lower connections on the front controller
Note2x locking connectors, Engage red locking tab
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Secure RH middle connections on front controller
Note2x locking connectors, Verify yellow locking tabs are fully opened, Seat connectors and mechanism will begin to engage
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Secure LH middle connection for front controller
Note1x locking connector, Verify lever is fully opened, Seat connector and lever will being to engage
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Secure upper connections for the front controller
Note2x locking connectors, Verify levers are fully opened, Seat connectors and levers will begin to engage
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Position LV battery into vehicle
NotePosition LV battery to the left and allow space for HEPA cover to be installed
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Install HEPA filter assembly cover
Note2x tabs, 2x datums, 2x slots, Maneuver cover down and under V-brace cross member, Fully engage seal and locking tabs
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Secure air quality sensor connection
Note1x connector
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Install fasteners securing LV battery to multi-system beam
Note3x bolts, 10mm, 9 Nm, 2x datums, Shift into position and install fasteners
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Install clip securing the supermanifold to battery pump supply hose onto LV battery
Note1x clip
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Connect First Responder Loop and LV battery connector
Note2x connectors Secure FRL first, Seat LV battery connection and push black connector lock inwards to secure, Engage green locking tab when fully seated
- Install the underhood storage unit. See .
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Remove vehicle from lift
NoteLower rack arms fully and remove them from under vehicle, Remove air suspension from "Jack Mode"