01/04/2024 14:00:19
Octovalve (Heat Pump) (Remove and Replace)
Correction code 18400202 1.08 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.
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Open LH front door
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Lower LH front window
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Raise and support vehicle
NoteEnsure vehicle is not charging before lifting it off the ground
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Open hood
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Remove rear apron
Note12x clips
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Remove cabin intake upper duct assembly
Note3x clips, Older vehicles may be equipped with 4x clips
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Remove the close out panel from frunk assembly
Note4x clips, 1x connector, Frunk safety switch, 3x guide tabs, Grab the closeout panel from the bottom then pull it upward to release clips
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Remove fasteners securing the frunk assembly
Note7x bolts, 10mm, 5 Nm, Lift up the RBN covers to access the front fasteners, Newer vehicles may not be equipped with covers
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Remove frunk assembly from vehicle
Note10x clips, Replace any clips if broken or missing, Number of clips may vary on newer vehicles
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Remove fresh intake duct
Note2x studs, Remove from bulkhead studs
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Disconnect 12V negative terminal
Note1x nut, 10mm, 6 Nm, Ensure the vehicle is in park, climate control system is off, and vehicle is not charging before disconnecting 12V
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Disconnect first responder loop
Note1x connector, Release locking tab
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Remove vent tube hose from LH side of 12V battery
Note1x hose
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Release terminal cover and remove positive terminal
Note2x clips, 1x nut, 10mm, 6 Nm, Do not fully remove positive terminal nut
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Remove bolt securing 12V battery upper tie down strap to AC compressor bracket
Note1x bolt, 10mm, 5 Nm
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Remove battery upper tie down strap
NoteLift battery tie down strap up and remove it from the rear tie down hook strap
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Remove 12V 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 outer fasteners from front aero shield
Note7x bolts, 10mm, 5 Nm
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Remove remaining nuts and remove front aero shield from vehicle
Note2x nuts, 15mm, 5 Nm
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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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Position coolant drain container underneath front of vehicle
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Remove coolant bottle cap
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Place fluid extractor in front of vehicle
NoteSet Mityvac to evacuate
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Evacuate coolant from coolant bottle
NotePlace evacuation hose in bottle at left front corner to remove as much fluid as possible, pump fluid into Mityvac evacuator
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Disconnect the coolant bottle level 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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Remove clip securing harness on top of coolant bottle
Note1x fir tree clip
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Disconnect the sensor for the chiller to battery 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 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 chiller to battery hose from supermanifold
Note1x spring clip
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Remove thermal sub assembly harness clip on RH side of coolant bottle
Note1x fir tree clip
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Remove thermal sub assembly harness clip at bottom left of coolant bottle
Note1x fir tree clip
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Remove screw at the rear of coolant bottle securing the coolant bottle to Supermanifold
Note1x screw, T25, 5 Nm
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Remove screw at the front of coolant bottle securing coolant bottle to Supermanifold
Note1x screw, T25, 5 Nm
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Remove coolant bottle from Supermanifold
NoteRemove by sliding the bottle away from the Supermanifold towards the rear of the vehicle, and rotate out the top, Verify coolant bottle o-ring is removed with coolant bottle
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Disconnect Octovalve connector
Note1x electrical connector, Do not push down on Red tab, Pull red tab to disengage lock, Pull again to release connector
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Remove fasteners securing Octovalve to Supermanifold and remove Octovalve from vehicle
Note4x screws, T25, 5 Nm
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Position Octovalve to Supermanifold and install fasteners securing Octovalve to Supermanifold
Note4x screws, T25, 5 Nm, Ensure dowels on Octovalve engage the Supermanifold before installing fasteners, Octovalve must be flush with Supermanifold to properly seal
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Connect Octovalve connector
Note1x locking connector, Engage locking tab
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Position the coolant bottle onto the Supermanifold for installation
NoteLubricate coolant bottle o-ring with silicone o-ring lubricant, Verify coolant bottle o-ring is properly seated on coolant bottle, Position the coolant bottle outlet pipe to the Supermanifold coolant inlet
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Install the screw at rear of coolant bottle securing coolant bottle to Supermanifold
Note1x screw, T25, 5 Nm
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Install screw at front of the coolant bottle securing the coolant bottle to Supermanifold
Note1x screw, T25, 5 Nm
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Install thermal sub assembly harness clip to bottom left of coolant bottle
Note1x fir tree clip
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Install thermal sub assembly harness clip to RH side of coolant bottle
Note1x fir tree clip
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Connect the chiller to battery hose to the Supermanifold
Note1x spring clip, Perform push-pull-push test to make sure hose is fully seated
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Connect the sensor for the powertrain supply hose
Note1x locking connector, Engage locking tab, Harness and coolant hose are color coded, Match harness color to coolant hose color
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Connect the sensor for the chiller to battery hose
Note1x locking connector, Engage locking tab, Harness and coolant hose are color coded, Match harness color to coolant hose color
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Install the retaining clip securing the level sensor pigtail to the coolant bottle
Note1x fir tree clip
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Connect the coolant bottle level sensor connector
Note1x locking connector, Engage locking tab
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Install 12V battery into vehicle
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Position battery tie down strap onto the battery
NoteHook the upper tie down strap into the rear tie down hook strap and position for installation
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Install bolt securing upper tie down strap to the AC compressor bracket
Note1x nut, 10mm, 5 Nm
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Install vent tube hose in 12V battery
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Install positive terminal and terminal cover
Note1x nut, 10mm, 6 Nm, 2x clips
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Remove coolant drain container from underneath 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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Position the front aero shield to vehicle and install nuts
Note2x nuts, 15mm, 5 Nm
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Apply Loctite 222 onto front aero shield bolts and install outer fasteners to front aero shield
Note7x bolts, 10mm, 5 Nm
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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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Fill coolant to the proper level
NoteEnsure that the fluid level filled to the Max line
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Connect first responder loop
Note1x connector, Engage locking tab
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Connect 12V negative terminal
Note1x nut, 10mm, 6 Nm
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Connect to vehicle using Toolbox 3.0
NoteVehicle connection is integrated into drivers footwell cover, Open Toolbox 3 website and establish connection to the vehicle. Select connection status icon at top right corner, and select connect locally (icon will turn green when vehicle is connected)
- Select "Actions/Autodiag" and search for "Thermal"
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Select
TEST-SELF_VCFRONT_X_FIVE-WAY-VALVESearch for routine in ToolboxCoolant Valve TestThermal / Coolant System - Coolant Valve Test, click Run and allow routine to complete_
NoteSelect "X" at top right of window to close once complete
- Select "Actions/Autodiag" tab and search for "Purge"
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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
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, Coolant pump speeds can be monitored in Service Mode + (see Service Mode Plus), in the CAN Viewer submenu. 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
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Inspect coolant level and top off as necessary
NoteEnsure that the fluid level is at the Max line
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Install coolant bottle cap
- Select "Actions/Autodiag" and search for "Thermal"
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Select
TEST-SELF_VCFRONT_X_THERMAL-PERFORMANCESearch for routine in ToolboxThermal System Performance TestThermal / Actions - Test Thermal Performancehv / Front Drive Inverter Replacement - Thermal System Testhv / Rear Drive Inverter Replacement - Thermal System Testhv / Rear Left Drive Inverter Replacement - Thermal System Testhv / Rear Right Drive Inverter Replacement - Thermal System Testhv / Front Drive Unit Replacement - Thermal System Testhv / Rear Drive Unit Replacement - Thermal System Test, click "Run", and allow routine to
complete
NoteSelect "X" at top right of window to close once complete
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Remove HSD cable from Ethernet port to disconnect Toolbox 3.0 from vehicle
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Install fresh intake duct
NoteSet clips on bulkhead studs
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Install frunk assembly to vehicle
Note10x clips, Make sure frunk assembly is fully seated onto the clips, Number of clips may vary on newer vehicles
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Install fasteners securing the frunk assembly
Note7x bolts, 10mm, 5 Nm, Lift up the RBN cover to access the front fasteners, Newer vehicles may not be equipped with covers
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Install frunk close out panel
Note4x clips, 1x connector, Frunk safety switch, 3x guide tabs, Align the 3x tabs then push downward to secure clips
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Install cabin intake upper duct assembly
Note3x clips, Older vehicles may be equipped with 4x clips
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Install rear apron
Note12x clips, If present untuck cut loop label and make sure it is still visible after apron is installed, Later builds may not have label
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Close hood
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Raise LH front window
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Close LH front door