06/11/2024 02:26:16

Supermanifold 1.1 (Retrofit)

Correction code 18400106 2.34 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.

2023-06-20: Added compressor weight including oil for Sanden type compressor.
2023-04-05: Updated A/C oil type to be used with reference to Fluids and Capacities for A/C oil specifications.

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.

Raise and support vehicle

Note
Ensure vehicle is not charging, Note the MYSP lifting points are more narrow than the MY
Open all four doors
Lower all four windows
Set up AC machine

Note
Touch time only
Open hood
Remove rear apron

Note
14x clips
Remove access panel

Note
3x clips, 1x connector
Remove fasteners securing the frunk assembly

Note
5x bolts, 10mm, 5 Nm, Newer vehicles may be equipped with 1x push clip securing frunk to reservoir neck
Remove frunk assembly from vehicle

Note
6x clips, Replace any clips if broken or missing
Remove fresh air intake duct

Note
1x bolt, 10mm, 4 Nm, 2x clips, 1x pin, Remove bolt, Gently pry pin out from thermal beam, then remove from bulkhead studs
Log into Tesla Garage

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https://garage.vn.teslamotors.com/vehicles
Enter vehicle VIN and select "Search"
Check Firmware version

Note
Firmware package installed must be 2021.36 or above for vehicle configuration update and Toolbox routine
Navigate to "CFG" tab on "Vitals" page
Perform inspection of the current coolant pump configuration

Note
If the config is DUAL or DUAL_SAN_P4, the config will need to change to DUAL_MIX – This will be required to identify the pumps in the replacement supermanifold
Perform inspection of the current revision supermanifold

Note
Determine the part number of the equipped supermanifold, If replacing a -A to -E (v1.0) with a -F (v1.1) then a manifold configuration change and replacement of Supermanifold to HVAC A/C pentaline will also be required
Perform inspection of the coolant hose temperature sensors and connectors

Note
2x connectors, 2x sensors, Inspect the type of coolant temperature sensors equipped, Early production Model Y had a different styled temperature sensor, If you encounter an early revision temperature sensor then it is possible the new replacement super manifold connections may not fit onto the old sensors, If this is the case, then the electrical connector cover must be swapped from the old supermanifold to the new replacement supermanifold, This will be done at a later step, If coolant temp sensors are the newer style then a rework is not required
Connect to vehicle using Toolbox 3.0
Select "Dashboards" tab, and select "Infotainment Dashboard"
Select "Vehicle Configuration"

Note
Configuration values should load automatically, if not select "Read Config" and "Run" to load
Select "Read Config" and select "Run" to pull current vehicle configuration

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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"
Scroll down to "superManifoldType" and change to "TYPE1"
Select "Apply Changes" and select "Run" to save updated configuration

Note
Center display will reboot, Toolbox connection will be lost, Select ‘X’ at top right of window to close once complete, Verify configuration changes are complete
Turn HVAC on, Turn AC OFF and set the Blower Speed to 10. Set the Temperature to HI and run for 10 minutes

Note
This will clear most of the oil out of the cabin condenser
Turn off the HVAC and let it sit for 1 minute

Note
Make sure both compressor and blower are off, this allows refrigerant inside cabin condenser to return to the accumulator
Turn the HVAC back on, Turn the AC on, set the Blower Speed to 10 and the Temperature to LO, run the HVAC for 10 minutes

Note
This step will clear most of the oil out of the evaporator
Turn Off the AC and Blower motor
Move LH front seat forward
Move RH front seat forward
Perform the following routine using Service Mode or Toolbox (see 0005 - Service Modes): PROC_VCFRONT_X_START-THERMAL-FILL-DRAIN

Note
Select ‘X’ at top right of window to close once complete, For AC related repairs verify all EXV's are in proper position, For all coolant related repairs verify vehicle is in Series, Thermal Fluid Fill/Drain routine has a 5 hour timeout, Routine will continuously run and not end
Power off vehicle from center display

Note
Via Controls > Safety > Power Off, Select Power Off button at warning dialogue box
Disconnect 12V negative terminal and first responders loop

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
Remove 2nd row seat cushion

Note
1x connector, Lift front edge of seat cushion upward to release foam from frame
Remove all items from pockets and ensure not wearing metal items
Inspect HV insulating gloves

Note
Check gloves for damage prior to use, Refer to service document TN-15-92-003 R1, for information on inspecting HV gloves. https://service.teslamotors.com/protected-doc/ServiceBulletins/External/TN/TN-15-92-003_High_Voltage_Awareness_Care_Points_R4.pdf
Put on HV insulating gloves and leather over gloves

Note
Make sure to wear Electrical Protective Gloves any time Hioki tester is used
Remove the bolts securing ancillary bay probe lid cover to ancillary bay cover

Note
2x bolts, EP10 5-Lobe, 6 Nm, Discard after removal
Remove the ancillary bay probe lid cover from the ancillary bay cover
Verify no high voltage

Note
Make sure to wear PPE (HV gloves, safety glasses) when working on high voltage component, 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
Inspect ancillary bay probe lid cover gasket then position onto the ancillary bay cover

Note
Confirm no visual damage present, Replace gasket if damage is found
Install the bolts securing ancillary bay probe lid cover to ancillary bay cover

Note
2x bolts, EP10 5-Lobe, 6 Nm, Install new rubber washer bolts
Remove HV insulating gloves
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 outer fasteners from front aero shield

Note
7x bolts, 10mm, 5 Nm
Remove remaining nuts and remove front aero shield from vehicle

Note
2x nuts, 15mm, 5 Nm
Lower vehicle fully

Note
Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
Remove caps from low side and high side AC ports

Note
2x caps
Connect hoses to vehicle and perform AC recovery

Note
Touch time only, Connect couplers to vehicle, Open couplers by turning clockwise, Open Machine valves, Note the amount of refrigerant and oil recovered, If drained oil level increased more than 30 ml, refer to the drained oil loss chart.
Remove vent tube hose from LH side of 12V battery

Note
1x hose
Release terminal cover and remove positive terminal

Note
2x clips, 1x nut, 10mm, 6 Nm, Do not fully remove positive terminal nut
Remove bolt securing 12V battery upper tie down strap to AC compressor bracket

Note
1x bolt, 10mm, 5 Nm
Remove battery upper tie down strap

Note
Lift battery tie down strap up and remove it from the rear tie down hook strap
Remove 12V battery from vehicle
Remove bolts securing frunk support beam to vehicle

Note
2x bolts, E14, 48 Nm
Remove frunk support beam from cooling fan module assembly

Note
Slide the frunk support beam towards rear of vehicle
Position coolant drain container underneath front of vehicle
Remove coolant bottle cap
Disconnect the powertrain bypass hose from the Supermanifold

Note
1x spring clip, This will drain the coolant reservoir
Disconnect the radiator outlet hose from the Supermanifold

Note
1x spring clip
Disconnect the radiator inlet hose from the Supermanifold

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1x spring clip
Install 3 male plugs into the coolant ports at the front of the Supermanifold

Note
3x plugs, This will avoid any cross contamination
Disconnect the sensor for the chiller to battery hose

Note
1x locking electrical connector, Do not push down on Red tab, Pull red tab to disengage lock, Pull again to release connector, Harness with purple tape connects to coolant temperature sensor closest to coolant bottle
Disconnect chiller to battery hose from supermanifold

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1x spring clip, 1x plug, Plug supermanifold as quickly as possible to avoid coolant loss
Disconnect the sensor for the powertrain supply hose

Note
1x locking electrical connector, Do not push down on Red tab, Pull red tab to disengage lock, Pull again to release connector, Harness with purple tape connects to coolant temperature sensor closest to coolant bottle
Disconnect powertrain supply hose from supermanifold

Note
1x spring clip, 1x plug, Plug supermanifold as quickly as possible to avoid coolant loss
Disconnect the HV battery return hose from the Supermanifold

Note
1x spring clip
Install 3 male plugs into the coolant ports at the rear of the Supermanifold

Note
3x plugs, This will avoid any cross contamination
Disconnect the supermanifold harness from the front controller

Note
1x connector
Remove retaining clip securing AC compressor logic harness to AC compressor HV harness bracket

Note
1x fir tree clip
Disconnect AC compressor logic connector

Note
1x locking electrical connector, Do not push down on red tab, pull to disengage lock, pull again to release connector
Overlap from AC refrigerant recovery
Remove AC hoses from vehicle
Remove nut securing low side of manifold to compressor pipe and move low side pipe out of the way

Note
1x nut, 13mm, 22 Nm
Remove nut securing high side of manifold to compressor pipe and move high side pipe out of the way

Note
1x nut, 13mm, 22 Nm
Remove bolt on supermanifold to compressor AC line from supermanifold

Note
1x bolt, 13mm, 22 Nm
Remove the AC manifold line from the Supermanifold and remove the AC manifold line assembly out of the vehicle
Remove nut securing AC manifold to HVAC line assembly to the Supermanifold

Note
1x nut, 13mm, 27 Nm, Picture 2 shows the AC manifold lines from the compressor removed for a better visual
Remove AC manifold to HVAC line from HVAC assembly

Note
2x bolts, 13mm, 22 Nm
Remove the AC manifold to HVAC line assembly from the Supermanifold and remove from the vehicle

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Release the AC manifold line assembly towards the rear of the vehicle and remove from the Supermanifold
Remove the bolts securing the supermanifold to the shock tower beam and remove the Supermanifold from the vehicle

Note
2x bolts, 15 mm, 31 Nm, Recommend assistance, Rotate the Supermanifold counter clockwise under the shock tower support beam
Document old and new part numbers and serial numbers for Supermanifold

Note
Label is located in front of accumulator, document part numbers and serial numbers into the repair order
Transfer plastic bracket from old to new Supermanifold to HVAC AC line

Note
1x tab, Engage tab and release bracket, Transfer bracket onto new A/C line
Install the Supermanifold into the vehicle and install the bolts securing the Supermanifold to the Shock tower beam

Note
2x bolts, 15mm, 31 Nm, Recommend assistance, Rotate the Supermanifold counter clockwise and install under the shock tower support beam, Hand start bolts to Supermanifold
Install the AC manifold to HVAC line assembly to the Supermanifold

Note
Lubricate seal washers with the appropriate A/C oil. See Fluids and Capacities for A/C oil specifications. Reach your hand under the Supermanifold to assist with installing the AC manifold to HVAC line. Look through the stud hole to locate the stud on the line and install it into the Supermanifold. Part being installed is updated version.
Install the nut securing the AC manifold to HVAC line to the Supermanifold

Note
1x nut, 13mm, 27 Nm
Install AC manifold to HVAC line to HVAC assembly

Note
2x bolts, 13mm, 22 Nm
Install the radiator inlet hose onto the Supermanifold

Note
1x spring clip
Install the radiator outlet hose to the Supermanifold

Note
1x spring clip, Perform push-pull-push test to make sure hose is fully seated
Install the powertrain bypass hose to the Supermanifold

Note
1x spring clip, Perform push-pull-push test to make sure hose is fully seated
Install frunk support beam into cooling fan module assembly

Note
Position CFM mounts onto tabs on CFM
Install bolts securing frunk support beam

Note
2x bolts, E14, 48 Nm
Connect the supermanifold harness to the front controller

Note
1x connector
Connect the HV battery return hose to the Supermanifold

Note
1x spring clip, Perform push-pull-push test to make sure hose is fully seated
Connect the powertrain supply hose to the Supermanifold

Note
1x spring clip, 1x plug, Remove plug from coolant bottle as quickly as possibly to avoid coolant loss, Perform push-pull-push test to make sure hose is fully engaged
Connect the chiller to battery hose to the Supermanifold

Note
1x spring clip, Perform push-pull-push test to make sure hose is fully seatedRemove plug from coolant bottle as quickly as possibly to avoid coolant loss
Release front cover from coolant temp connector

Note
1x connector cover, If the new supermanifold connection does not fit onto the older style temp sensors then you will need to swap the front connector cover, Carefully shift cover to the right in order to release, Do not damage connector
Release front cover from coolant temp connection of the old supermanifold

Note
1x connector cover, Take connector cover from the old supermanifold harness Carefully shift cover to the right in order to release, Do not damage connector
Secure the appropriate front connector cover onto the new supermanifold harness

Note
1x connector cover, Carefully secure the correct cover onto new supermanifold harness, Verify terminals are properly locked, Do not damage connector
Connect the sensor for the chiller to battery hose

Note
1x locking connector, Engage locking tab, Note the connections are color coded, Do not swap the connectors
Connect the sensor for the powertrain supply hose

Note
1x locking connector, Engage locking tab, Note the connections are color coded, Do not swap the connectors
Remove the clips securing the coolant hoses to the AC compressor bracket

Note
4x fir tree clips, when replacing with 1501293-00-B proceed to next step
Remove fastener securing AC compressor HV harness bracket to AC compressor

Note
1x bolt, 13mm, 9 Nm
Remove AC compressor ground strap

Note
1x bolt, 10mm, 7 Nm, Fastener may vary depending on production
Remove the clip securing the coolant hose to the AC compressor bracket

Note
1x fir tree clip
Disconnect HV harness connector from AC compressor

Note
1x locking electrical connector, 3 stage locking connector, See photos for connector positions, Move black locking tab away form the AC compressor, position 1, then using a 45 degree pick, push down on position 2 of the locking connector while prying up on position 3 and disconnect
Remove AC compressor HV harness from the AC compressor and set aside

Note
Move AC compressor HV harness bracket toward the front of the vehicle, lift the bracket up to clear the upper bracket mount and carefully set harness and bracket aside
Remove the fasteners securing the AC compressor bracket to the strut tower support brace and remove the AC compressor and AC compressor bracket assembly

Note
2x 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, under the strut tower support brace
Remove the AC compressor bracket from the AC compressor

Note
3x bolts, 10mm, 9 Nm
Weigh compressor and reset compressor oil amount

Note
Remove NVH blanket (if equipped), port caps, and port nuts. The weight is measured in grams. Take note of the compressor weight. Add the appropriate A/C oil (see Fluids and Capacities for A/C oil specifications) through the suction port of the compressor until it weighs 7193 grams (Denso compressor) or 7809 grams (Sanden compressor).
Install the AC compressor bracket to the AC compressor

Note
3x bolts, 10mm, 9 Nm
Position AC compressor bracket assembly into vehicle and secure AC compressor assembly to strut tower support brace

Note
2x 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, under the strut tower support brace, Keep AC compressor caps on the compressor until manifold lines are installed, Hand start bolts
Position the AC compressor HV harness onto the AC compressor for installation

Note
Ensure the HV harness bracket engages the upper bracket mount on the AC compressor
Connect HV harness connector to AC compressor

Note
1x 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
Install the clip securing the coolant hose to the AC compressor bracket

Note
1x fir tree clip
Install AC compressor ground strap

Note
1x bolt, 10mm, 7 Nm, Fastener may vary depending on production
Install fastener securing AC compressor HV harness bracket to AC compressor

Note
1x bolt, 13mm, 9 Nm
Install retaining clip securing AC compressor logic harness to AC compressor HV harness bracket

Note
1x fir tree clip
Connect the AC compressor logic connector

Note
1x locking electrical connector
Install the clips securing the coolant hoses to the AC compressor bracket

Note
4x fir tree clips
Install 12V battery into vehicle
Position battery tie down strap onto the battery

Note
Hook the upper tie down strap into the rear tie down hook strap and position for installation
Install bolt securing upper tie down strap to the AC compressor bracket

Note
1x bolt, 10mm, 5 Nm
Install vent tube hose in 12V battery
Install positive terminal and terminal cover

Note
1x nut, 10mm, 6 Nm, 2x clips
Replace seal washers for supermanifold to compressor AC line on supermanifold side

Note
2x seal washers. Lubricate the seal washers with the appropriate A/C oil. See Fluids and Capacities for A/C oil specifications.
Replace seal washer on supermanifold to compressor AC line assembly on compressor discharge line

Note
1x seal washer, Lube seal washers with the appropriate A/C oil. See Fluids and Capacities for A/C oil specifications.
Replace seal washer on supermanifold to compressor AC line assembly on compressor suction line

Note
1x seal washer, Lube seal washers with the appropriate A/C oil. See Fluids and Capacities for A/C oil specifications.
Install supermanifold to compressor AC line onto supermanifold

Note
1x bolt, 13mm, 22 Nm, Hand start bolt to prevent stripped threads
Install AC manifold to compressor line high side to compressor

Note
1x nut, 13mm, 22 Nm
Install AC manifold to compressor line low side to compressor

Note
1x nut, 13mm, 22 Nm
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

Note
Verify 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

Note
Verify all valves on refill tool are in the closed position, See image for clarity
Install vacuum refill hose into refill cap on coolant bottle

Note
Perform push-pull-push test to verify hose is fully installed
Position overflow hose into empty container
Place refill hose inside filled coolant container

Note
Make sure hose end is fully submerged into coolant
Connect shop air supply to coolant refill tool

Note
If not already done, Verify refill valve is set to off
Open air inlet valve to draw a vacuum, Once gauge stabilizes, Fully close valve

Note
Gauge 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

Note
Make sure hose end of refill hose is fully submerged during entire process
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 refill tool cap from coolant bottle assembly
Remove both coolant containers from inside underhood area
Remove coolant drain container from underneath 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
Position the front aero shield to vehicle and install nuts

Note
2x nuts, 15mm, 5 Nm
Apply Loctite 222 onto front aero shield bolts and install outer fasteners to front aero shield

Note
7x bolts, 10mm, 5 Nm
Lower vehicle fully

Note
Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
Connect first responder loop and 12V negative terminal

Note
1x 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): TEST-SELF_VCFRONT_X_FIVE-WAY-VALVE

Note
Select ‘X’ at top right of window to close once complete
Perform the following routine using Service Mode or Toolbox (see 0005 - Service Modes): PROC_VCFRONT_X_START-THERMAL-FILL-DRAIN

Note
Select ‘X’ at top right of window to close once complete, For AC related repairs verify all EXV's are in proper position, For all coolant related repairs verify vehicle is in Series, Thermal Fluid Fill/Drain routine has a 5 hour timeout, Routine will continuously run and not end
Reconnect AC hoses to vehicle
Perform AC vacuum test

Note
2 minute vacuum leak test, 15 minute vacuum
Perform AC refrigerant refill

Note
Recharge refrigerant to 1.02 kg (1020g), For Robinair AC machines press ESC to NOT ACCEPT the step to clear out residual oil, Once complete press next to start End of Charge process
Perform step 1 for End of Charge process

Note
Close high and low machine valves, Press next to continue
Perform the following routine using Service Mode or Toolbox (see 0005 - Service Modes): PROC_VCFRONT_X_STOP-THERMAL-FILL-DRAIN

Note
Select ‘X’ at top right of window to close once complete
Perform the following routine using Service Mode or Toolbox (see 0005 - Service Modes): TEST-SELF_VCFRONT_X_HEAT-PUMP-COMMISSIONING

Note
If this routine is not run after entering Thermal Drain/Fill mode, the AC compressor operation will be blocked, Select ‘X’ at top right of window to close once complete
Proceed with steps 2-4 for End of Charge process and follow instructions displayed on AC Machine

Note
Turn AC on, Temp setting LO, Panel mode on, Fresh air mode on, Blower speed set to 3, Verify Discharge pressure does not exceed 26 bar and Suction pressure is not below 1.15 bar, Turn AC OFF, allow pressures to stabilize and remove high side hose
Proceed with steps 5-6 for End of Charge process and follow instructions displayed on AC Machine

Note
Turn AC on, Temp setting LO, Panel mode on, Fresh air mode on, Blower speed set to 3, Turn machine valves to OPEN, Allow pressures to stabilize, Remove low side hose from vehicle, Continue with AC machine instructions and clear AC hoses
Install caps onto AC ports

Note
2x caps
Perform the following routine using Service Mode or Toolbox (see 0005 - Service Modes): TEST_VCFRONT_X_THERMAL-COOLANT-AIR-PURGE

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
Inspect coolant level and top off as necessary

Note
Ensure 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-IDENTIFICATION

Note
Select ‘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-PERFORMANCE

Note
Select ‘X’ at top right of window to close once complete.
Perform the following routine using Service Mode or Toolbox (see 0005 - Service Modes): TEST-SELF_VCRIGHT_X_HVAC-PERFORMANCE, click Run and allow routine to complete

Note
Select ‘X’ at top right of window to close once complete
Install fresh air intake duct

Note
1x bolt, 10mm bolt, 4 Nm, 2x clips, 1x pin, Set clips on bulkhead studs, Secure to thermal bar
Install frunk assembly into vehicle

Note
6x clips, Replace any clips if broken or missing
Install fasteners securing the frunk assembly

Note
5x bolts, 10mm, 5 Nm, Newer vehicles may be equipped with 1x push clip securing frunk to washer bottle neck
Install access panel

Note
3x clips, 1x connector
Install rear apron

Note
14x clips, Hold rear wall of frunk to keep from flexing while engaging front clips
Close hood
Move RH front seat to original position
Move LH front seat to original position
Install 2nd row seat cushion

Note
1x connector, Slide rear cushion rearward then align foam with seat rail, Make sure cushion is fully seated with push & pull test
Raise all four windows
Close all four doors

Note
If 12V is powered up, Unlatch rear doors before closing

Model Y Service Manual

Supermanifold 1.1 (Retrofit)

Figure 1

Figure 2

Figure 3