Chassis and Subframes - Rear Subframe (Dual Motor) (Remove and Replace)
Code de correction
NA
3.78
REMARQUE : À moins d’indications explicites contraires dans la procédure, le code de correction et le temps forfaitaire ci-dessus représentent tout le travail à être fait pour cette procédure, notamment les procédures connexes. N’appliquez pas plusieurs codes de correction à la fois, à moins qu’il vous soit explicitement indiqué de le faire.
REMARQUE : Consultez Temps forfaitaires pour en apprendre plus à propos des temps forfaitaires et de leur création. Vous pouvez transmettre par courriel vos commentaires relatifs aux valeurs des temps forfaitaires à LaborTimeFeedback@tesla.com.
REMARQUE : Consultez Protection individuelle pour vous assurer de porter l’équipement de protection individuelle adéquat lors vous effectuez la procédure ci-dessous.
- Ouvrez la porte avant gauche et abaissez la vitre avant gauche.
- Raise and support the vehicle. See Soulever le véhicule - pont élévateur à 2 poteaux.
- Connect a laptop with Toolbox 3 to the vehicle. See Toolbox 3.0 (connecter et déconnecter).
- Déverrouillez la passerelle du véhicule. Voir Passerelle (déverrouiller).
- On the vehicle touchscreen, navigate to to access the rear drive unit replacement panel.
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Tap Start Coolant
Fill/Drain, and then tap Run.
RemarqueMake sure the result is "Passed".
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Tap Release Emergency Parking
Brake, and then tap Run.
RemarqueMake sure the result is "Passed".
- Retirez le tablier arrière sous le capot. Voir Underhood Trim - Rear Apron Assembly (Remove and Install).
- Débranchez l'alimentation électrique MT. Voir Disconnect MV Power.
- Remove the LH and RH rear wheels. See Ensemble de roue (retrait et installation).
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Disconnect RH rear EPB harness
Remarque1x connector, Release locking tab
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Release RH rear brake line from upper control arm
Remarque1x bolt, 10mm, 10 Nm
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Remove RH rear brake caliper and set aside
Remarque2x bolts, 21 mm, 150 Nm, Hang caliper from body if not fully removing, Route caliper hose so that it does not get caught on stabar assembly
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Remove RH rear brake rotor
RemarqueRotor will be loose until caliper is installed
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Use jack to simulate ride height on RH rear suspension
RemarqueRaise jack to simulate ride height, This is to release tension from the upper control arm which will be removed next later steps, DO NOT skip this you run into the risk of hurting yourself
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Remove RH rear toe link from RH rear knuckle
Remarque1x nut, 21mm, 170 Nm, Counter hold ball joint, Discard nyloc nut after removal
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Remove nut securing RH rear upper control arm to knuckle
Remarque1x nylon nut, 21 mm, 150 Nm, Discard nut after removal, Place support stand below suspension to ease removal
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Use jack to lower RH rear ride height back to hanging position
RemarqueLower jack to let suspension hang
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Release harness from RH rear air spring module
Remarque2x connectors, 1x grommet
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Remove RH rear lower control arm aeroshield
Remarque3x bolts, 10mm, 7 Nm
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Remove nuts securing RH rear air spring module to lower control arm
Remarque2x nylon nut, 21 mm, 140 Nm, Discard nuts after removal
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Disconnect EPB harness connector from LH rear brake caliper
Remarque1x connector, Release locking tab
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Release LH rear brake line from upper control arm
Remarque1x bolt, 10mm, 10 Nm
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Remove LH rear brake caliper and set aside
Remarque2x bolts, 21 mm, 150 Nm, Hang caliper from body if not fully removing, Route caliper hose so that it does not get caught on stabar assembly
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Remove LH rear brake rotor
RemarqueRotor will be loose until caliper is installed
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Use jack to simulate ride height on LH rear suspension
RemarqueRaise jack to simulate ride height, This is to release tension from the upper control arm which will be removed next later steps, DO NOT skip this you run into the risk of hurting yourself
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Remove LH rear toe link from LH rear knuckle
Remarque1x nut, 21mm, 170 Nm, Counter hold ball joint, Discard nyloc nut after removal
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Remove nut securing LH rear upper control arm to knuckle
Remarque1x nylon nut, 21 mm, 150 Nm, Discard nut after removal, Move brake hose aside to avoid damage, Use caution when releasing rear upper control from knuckle
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Use jack to lower LH rear ride height back to hanging position
RemarqueLower jack to let suspension hang
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Release harness from LH rear air spring module
Remarque2x connectors, 1x grommet
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Remove LH rear lower control arm aeroshield
Remarque3x bolts, 10mm, 7 Nm
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Remove nuts securing LH rear air spring module to lower control arm
Remarque2x nylon nut, 21 mm, 140 Nm, Discard nuts after removal
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Raise vehicle fully
RemarqueSet to a comfortable working height, Lower to locks, Ensure locks engage on both sides to prevent tilting
- Remove the mid aeroshield. See Plateau inférieur – bouclier aérodynamique central (retirer et installer).
- Remove the rear aeroshield. See Undertray - Rear Aeroshield (Remove and Install).
- Remove the rear diffuser. See Undertray - Diffuser (Remove and Install).
- Remove all items from pockets and ensure not wearing metal items
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Inspect HV insulating gloves
RemarqueCheck gloves for damage prior to use, Refer to service document TN-15-92-003, for information on inspecting HV gloves.
- Put on HV insulating gloves and leather over gloves
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Remove clips securing AC compressor HV harness
Remarque3x clips
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Verify no HV - Install amp clamp to RDU HV harness
RemarqueVerify meter is zeroed out before performing measurement, Measure single cable. Verify ammeter is installed in correct direction. 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 requiredIf current < 0.5A, Ok to disconnect and check voltage at HV plug on the battery side.Release locking tab and rotate the release lever up to disengage the connector, Release harness clip, Do not force the release lever up, Ensure the alignment tabs on the RDU header are not damagedMake 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
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Disconnect RDU HV harness
Remarque1x connector, Release locking tab and rotate release lever up, Do not force release lever up, Ensure alignment tabs on header are not damaged
- Remove leather over gloves and HV insulating gloves
- Position coolant drain container underneath RH rear of HV battery
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Remove front lower clips securing RH rear wheel arch liner
Remarque3x clips
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Disconnect RDU return hose from PT return hose
Remarque1x spring clip, 1x clamp clip, Move wheel liner aside as needed, Plug coolant connections as needed
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Disconnect RDU supply hose from HV battery
Remarque1x spring clip, Plug coolant connections as needed
- Remove coolant drain container from underneath vehicle
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Disconnect rear steering gear harness from subframe
Remarque1x connector, Release red locking tab
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Disconnect DM rear subframe harness from rear fascia harness
Remarque3x connectors, Release red tabs then disconnect connectors
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Release rear diffuser brackets and set aside
Remarque6x bolts, 13mm, 30 Nm, 4x tabs, Let brackets hang
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Lower vehicle partially and set lift onto locks
RemarqueRaise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered, Set vehicle to comfortable working height
- Position powertrain lift under rear subframe
- Connect shop air supply to powertrain table
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Raise powertrain lift to rear subframe
Remarque3x dowels, Make sure height on hoist can be reached with powertrain lift height limit
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Safely secure rear subframe onto powertrain lift
RemarqueSecure subframe to powertrain table and fixture
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Remove bolts securing rear subframe to body
Remarque4x bolts, 24mm, 355 Nm
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Lower subframe table to access breather tube
RemarqueUse caution with RDU coolant hoses and breather line, Subframe jig assembly will need to be maneuvered to prevent coolant lines getting caught, Access breather from LH rear wheel well
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Disconnect RDU breather tube
Remarque2x tabs, 1x clip, Press tabs inward and pull breather up, Release clip from RDU casing
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Fully lower subframe table
RemarqueUse caution with RDU coolant hoses, Subframe table will need to be moved back to prevent coolant lines getting caught, Ensure DU breather line is not caught
- Disconnect air supply from subframe lifting tool
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Remove clip securing RSA jumper harness to RDU HV harness
Remarque1x clip
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Release RDU HV harness bracket from subframe
Remarque1x bracket, 2x bolts, 10mm, 12 Nm, Set bracket aside
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Remove RSA and toe link assembly
Remarque4x bolts, 18 mm, 120 Nm, 1x connector, Release locking tab
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Release RDU supply and return hose from subframe
Remarque4x clips
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Remove bolt securing ground strap to rear subframe
Remarque1x bolt, 10mm, 10 Nm
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Release LH rear halfshaft from RDU
Remarque1x U-bolt, 2x nuts, 10mm, Torque hand-tight, Wrap cable around inner joint then tighten with U-bolt
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Release RH rear halfshaft from RDU
Remarque1x U-bolt, 2x nuts, 10mm, Torque hand-tight, Wrap cable around inner joint then tighten with U-bolt
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Remove rear stabilizer bar and link assembly
Remarque2x links, 4x bolts, 15mm, 50 Nm, 2x nuts, 15mm, 45 Nm, Remove clip securing RDU harness as needed
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Release LH chassis corner harness from subframe
Remarque2x clips
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Release RH chassis corner harness from subframe
Remarque2x clips
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Remove LH control arm, axle, and knuckle as an assembly
Remarque4x bolts, 21mm, 185 Nm, Recommend assistance
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Remove RH control arm, axle, and knuckle as an assembly
Remarque4x bolts, 21mm, 185 Nm, Recommend assistance
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Remove clips securing RDU harness to subframe
Remarque7x clips
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Remove rear steering actuator harness
Remarque3x clips
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Secure sling onto RDU
Remarque3x black shackles, 3x eyelets
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Secure sling onto gantry
Remarque3x black shackles, 3x eyelets, Make sure components are positioned to prevent binding
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Remove fasteners securing RDU to subframe
Remarque2x bolts, 16mm, 85 Nm, 2x nuts, 18mm, 95 Nm, 3x mount masses
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Raise RDU from subframe
RemarqueRecommend assistance, Do NOT raise all at once, Pry and release bushing mounts from subframe studs, Avoid damaging subframe studs
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Position pallet below drive unit
RemarqueMay need to adjust sling
- Lower drive unit onto pallet
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Remove rear subframe from drive unit jack
RemarqueRecommend assistance
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Install rear subframe on to drive unit jack
RemarqueRecommend assistance, Revision D will come with 5x steel blocks, If replacement subframe is revision D then do not install mount masses
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Raise RDU from pallet
Remarque3x black shackles, 3x eyelets
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Lower RDU onto subframe
RemarqueRecommend assistance, Do NOT lower all at once, Pry and position bushing mounts onto subframe studs, Avoid damaging subframe studs
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Install fasteners securing RDU to subframe
Remarque2x bolts, E18, 105 Nm, 2x nuts, 18mm, 95 Nm, If replacement subframe is revision D then do not install mount masses, Install new bolts, Torque to updated specification
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Release sling from gantry
Remarque3x black shackles, 3x eyelets
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Release sling from RDU
Remarque3x black shackles, 3x eyelets
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Install clips securing RDU harness to subframe
Remarque7x clips
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Install steering actuator harness
Remarque3x clips
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Install RH control arm, axle, and knuckle as an assembly
Remarque4x bolts, 21mm, 185 Nm, Recommend assistance, Lower control arm may clash with powertrain lift, Shift subframe as needed
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Install LH control arm, axle, and knuckle as an assembly
Remarque4x bolts, 21mm, 185 Nm, Recommend assistance, Lower control arm may clash with powertrain lift, Shift subframe as needed
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Secure RH chassis corner harness onto subframe
Remarque2x clips
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Secure LH chassis corner harness onto subframe
Remarque2x clips
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Install rear stabilizer bar and link assembly
Remarque2x links, 4x bolts, 15mm, 50 Nm, 2x nuts, 15mm, 45 Nm, Secure clip securing RDU harness as needed
- Install LH rear halfshaft into RDU
- Install RH rear halfshaft into RDU
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Install bolt securing ground strap to rear subframe
Remarque1x bolt, 10mm, 10 Nm
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Secure RDU supply and return hose onto subframe
Remarque4x clips
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Install RSA and toe link assembly
Remarque4x bolts, 18 mm, 120 Nm, 1x connector, Secure locking tab
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Secure RDU HV harness bracket onto subframe
Remarque1x bracket, 2x bolts, 10mm, 12 Nm
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Install clip securing RSA jumper harness to RDU HV harness
Remarque1x clip
- Position subframe lifting tool with subframe assembly under vehicle
- Connect air supply to subframe lifting tool
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Raise drive unit until sufficient access is available to breather
RemarqueRecommend assistance, Use caution to not damage components while raising subframe, Position coolant lines above HV battery lip
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Connect RDU breather tube
Remarque2x tabs, 1x clip, Install clip onto RDU casing, Verify tabs are fully engaged
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Fully raise rear drive unit and subframe into position
RemarqueRecommend assistance, Use caution to not damage components while raising subframe, Position coolant lines above HV battery lip
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Loosely install bolts securing rear subframe to body
Remarque4x bolts, 24mm, Hand Tight, Start bolts by hand before using power tools
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Torque bolts securing rear subframe to body
Remarque4x bolts, 24mm, 355 Nm
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Remove rear subframe tie downs from powertrain lift
RemarqueRelease subframe to powertrain table and fixture
- Lower powertrain table from subframe and move away from vehicle
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Secure rear diffuser brackets
Remarque6x bolts, 13mm, 30 Nm, 4 tabs
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Connect DM rear subframe harness onto rear fascia harness
Remarque3x connectors, Secure red tabs
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Connect rear steering gear harness
Remarque1x connector, Engage red locking tab
- Position coolant drain container underneath RH rear of HV battery
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Connect RDU supply hose onto HV battery
Remarque1x spring clip, Remove plugs as needed
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Connect RDU return hose to PT return hose
Remarque1x spring clip, 1x clamp clip, Move wheel liner aside as needed, Remove plugs
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Install front lower clips securing RH rear wheel arch liner
Remarque3x clips
- Remove coolant drain container from underneath vehicle
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Connect RDU HV harness
Remarque1x connector, Verify lever is upright and in 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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Install clips securing AC compressor HV harness
Remarque3x clips
- Install the rear diffuser. See Undertray - Diffuser (Remove and Install).
- Install the rear aeroshield. See Undertray - Rear Aeroshield (Remove and Install).
- Install the mid aeroshield. See Plateau inférieur – bouclier aérodynamique central (retirer et installer).
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Lower vehicle partially and set lift onto locks
RemarqueRaise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered, Set vehicle to comfortable working height
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Install nuts securing LH rear air spring module to lower control arm assembly
Remarque2x nylon nut, 21 mm, 140 Nm, Install new nylon nuts
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Install LH rear lower control arm aeroshield
Remarque3x bolts, 10mm, 7 Nm
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Secure harness to LH rear active dampener
Remarque2x connectors, 2x grommets
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Use jack to simulate ride height on LH rear suspension
RemarqueRaise jack to simulate ride height, This is to release tension from the upper control arm which will be removed next later steps, DO NOT skip this you run into the risk of hurting yourself
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Install nut securing LH rear upper control arm to knuckle
Remarque1x nylon nut, 21 mm, 150 Nm, Install new nylon nut, Counter-hold joint to install nut, Support suspension to ease installation, Ensure brake hose is properly routed
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Install LH rear toe link onto LH rear knuckle
Remarque1x nut, 21mm, 170 Nm, Install new Nyloc nut
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Use jack to lower LH rear ride height back to hanging position
RemarqueLower jack to let suspension hang
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Position LH rear brake rotor
RemarqueRotor will be loose until caliper is installed
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Install LH rear brake caliper onto LH rear knuckle
Remarque2x bolts, 21mm, 150 Nm
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Connect EPB harness connector to LH rear brake caliper
Remarque1x connector, Engage locking tab
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Install LH rear brake line onto upper control arm
Remarque1x bolt, 10 mm, 10 Nm
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Install nuts securing RH rear air spring module to lower control arm assembly
Remarque2x nylon nut, 21 mm, 140 Nm, Install new nylon nuts
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Install RH rear lower control arm aeroshield
Remarque3x bolts, 10mm, 7 Nm
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Secure harness to RH rear active dampener
Remarque2x connectors, 2x grommets
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Use jack to simulate ride height on RH rear suspension
RemarqueRaise jack to simulate ride height, This is to release tension from the upper control arm which will be removed next later steps, DO NOT skip this you run into the risk of hurting yourself
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Install nut securing RH rear upper control arm to knuckle
Remarque1x nylon nut, 21 mm, 150 Nm, Install new nylon nut, Counter-hold joint to install nut, Support suspension to ease installation
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Install RH rear toe link onto RH rear knuckle
Remarque1x nut, 21mm, 170 Nm, Install new Nyloc nut
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Use jack to lower RH rear ride height back to hanging position
RemarqueLower jack to let suspension hang
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Position RH rear brake rotor
RemarqueRotor will be loose until caliper is installed
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Install RH rear brake caliper onto RH rear knuckle
Remarque2x bolts, 21mm, 150 Nm
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Connect RH rear EPB harness
Remarque1x connector, Engage locking tab
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Install RH rear brake line onto upper control arm
Remarque1x bolt, 10 mm, 10 Nm
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Install the LH and RH rear wheels
Remarque6x nuts, 21mm, 205 Nm
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Lower vehicle until tires are touching the ground
RemarqueRaise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
- Perform cooling system vacuum refill. See Système de refroidissement (remplissage sous vide).
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Slide eCPA to the right and ensure it is seated against the black lever, Connect fireman's loop 20 seconds after eCPA engagement
Remarque2x connectors, Slide and secure red locking tab on top of release lever, Lock fireman's loop connection, If power cycling vehicle ensure at least 60 seconds has passed since powering down
- Hold brake pedal and select park on UI to disable EPB service mode
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Re-establish vehicle connection to Toolbox 3
RemarqueOpen 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)
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Run 'Stop Coolant Fill/Drain' routine
RemarqueVia Rear Drive Unit Replacement dashboard, Ensure result is 'Passed'
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Run 'Coolant Air Purge' routine
RemarqueVia Rear Drive Unit Replacement dashboard, Touch time only, wait until coolant pumps stop running (audible noise), Routine Passed will appear, but pumps will run for 10 minutes, If you start next another routine during this time it will fail, Make sure vehicle is not in "Drive", Routine is still running despite the completed message, Speeds can be monitored in garage under PT Thermal tab, Idle speed = ~1500 RPM, Test will vary speeds from 3500-6500 RPM and actuate valves between SERIES and PARALLEL, Putting vehicle into "Drive" will stop this routine, If speeds hover at 7000 RPM, this indicates the pumps are air locked, perform a vacuum fill, Continue to add coolant and purge until the coolant level reaches between the NOM and MAX Lines on the bottle
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Inspect coolant level and top off as necessary
RemarqueEnsure that the fluid level is at the Max line, Top off fluid as required
- Install coolant bottle cap
- Installez le tablier arrière sous le capot. Voir Underhood Trim - Rear Apron Assembly (Remove and Install).
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Torque the LH and RH rear wheel
nuts
Remarque6x nuts, 21mm, 205 Nm
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Install LH and RH rear wheel caps
Remarque1x cap, 8x clips, Partially secure wheel cap to wheel, While partially installed wheel cover can be rotated to align with tire design, When aligned press inward from center of cap then secure all clips to mounting ring
- Fermez le coffre avant électrique.
- Disconnect Toolbox and remove the laptop from the vehicle. See Toolbox 3.0 (connecter et déconnecter).
- Quitter mode Entretien. Voir Mode Entretien.
- Retirez le véhicule du pont élévateur. Voir Soulever le véhicule - pont élévateur à 2 poteaux.
- Remontez la glace avant gauche et fermez la porte avant gauche.
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Perform test drive
RemarquePerform a validation test drive after repairDrive a minimum speed of 25mph, Drive in a straight line and check for excessive pull, Verify the steering wheel is centered when vehicle is driving straight, Determine whether an alignment is recommendedAdd correction code 00040100 as needed