01/04/2024 14:00:39

Active Damper - Front - LH (Remove and Replace)

Correction code 31105002 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 proper PPE is worn 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.

Open LH front door
Lower LH front window
Raise and support vehicle

Note
Prepare to raise vehicle, Set air suspension to "Jack Mode", Position lift arm pads on vehicle jack pads, DO NOT position the lift arm pads under the battery or side rails, as shown in red
Release IP service panel

Note
2x tabs, 4x datums, Release top tabs and slide rearward
Using laptop connect to vehicle with ethernet diag kit and Toolbox 3
Select ‘Actions’ tab and search for ‘TAS service mode’
Select ‘ TAS Enter Service Run ModePROC_TAS_X_ENTER-SERVICE-MODECommon/tasks/PROC_TAS_X_ENTER-SERVICE-MODEChassis ’, click ‘Run’, and allow routine to complete

Note
Select ‘X’ at top right of window to close oncecomplete
Select ‘Actions’ tab and search for ‘Deflate Spring'
Select ‘ PROC_TAS_X_DEFLATE-FL ’, click ‘Run’, and allow routine to complete

Note
Select ‘X’ at top right of window to close oncecomplete.
Open hood

Note
Via center display > Controls > Frunk Open
Remove rear underhood apron

Note
11x clips, 2x datums
Remove RH underhood apron

Note
11x clips, 2x datums, Remove brush clip at hinge cover first, Take note of clip at headlamp
Remove LH underhood apron

Note
11x clips, 2x datums, Remove brush clip at hinge cover first, Take note of clip at headlamp
Remove front underhood apron

Note
12x clips, 3 datums
Remove frunk access panel

Note
3x clips, 3x hooks, 1x connector
Remove frunk carpet
Remove frunk assembly

Note
8x bolts, 10mm, 5 Nm
Remove LH front wheel center cap

Note
1x cap
Loosen LH front wheel

Note
5x nuts, 21mm, 175 Nm
Raise vehicle partially and lower 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 LH front wheel

Note
5x nuts, 21mm, 175 Nm
Release LH front upper control arm bracket and harness

Note
1x bolt, 10mm, 3 Nm, Release with harness attached
Release LH wheel speed sensor clips from RH front knuckle

Note
2x clips
Release LH damper harness connectors from LH front air spring module

Note
2x connectors
Release LH damper harness bracket from LH front air spring module

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2x tabs
Remove bolt securing LH front brake line to LH front air spring module

Note
1x bolt, 10mm, 6 Nm
Release LH ANC sensor and damper bracket from air spring module

Note
1x bolt, 10mm, 6 Nm, Route around links and hang, Take note of how the harness is routed for installation
Remove nut and bolt securing LH front air spring module to front lower aft link assembly

Note
1x bolt, 21mm, 1x nut, 21mm, 140 Nm
Release the LH front upper control arm from the suspension assembly

Note
1x patch nut, 15mm, 1x bolt, T50, 60 Nm, Discard nut after removal
Lower vehicle for access to underhood area

Note
Make sure there's an audible click of the locks on both sides before lowering, otherwise vehicle may tilt to the side
Release remote brake fluid reservoir from LH FST cap

Note
2x bolts, 10mm, 8 Nm, 1x datum, Rotate reservoir with bracket out of LH FST cap
Release LH FST cap from multi-system beam

Note
3x bolts, 13mm, 22 Nm, 1x clip
Release LH FST cap from shock tower and remove from vehicle

Note
1x bolt, 13mm, 14 Nm
Release air line fitting from LH air spring module

Note
1x nut, 10mm, 2 Nm, Once air leak can be heard, stop turning until all air released
Remove VOSS fitting from air spring module air line

Note
1x VOSS fitting, Slide threaded section back, Remove the collet, Then slide threaded section off of air line, Discard after removal
Remove nuts securing the LH front air spring module and remove

Note
3x nuts, 13mm, 39 Nm, Use one hand to hold the air spring module before completely removing the last nut, Use caution to not get caught on harnesses and connectors
Position and install LH front air spring module

Note
Recommend assistance, 3x nuts, 13mm, 39 Nm, Use caution to not get caught on harnesses and connectors
Remove plug and install air line into LH air spring module

Note
Press hose into fitting until mark aligns with top of fitting
Raise vehicle partially and lower 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
Secure LH front knuckle to upper control arm

Note
1x bolt, T50, 1x patch nut, 15mm, 60 Nm, Install new nut
Install bolt and nut securing LH front air spring module to front lower aft link

Note
1x bolt, 21mm, 1x nut, 21mm, 140 Nm, Fully torque to spec
Route ANC sensor and damper bracket and secure to LH front air spring module

Note
1x bolt, 10mm, 6 Nm, Harness routes above lower links and below tie rod/axle
Secure LH front brake line to LH front air spring module

Note
1x bolt, 10mm, 6 Nm
Secure LH front damper harness bracket to LH front air spring module

Note
2x tabs
Connect LH damper harness to LH front air spring module

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2x connectors
Secure LH front wheel speed sensor to LH front knuckle assembly

Note
2x clips
Secure LH front upper control arm bracket with harness

Note
1x bolt, 10mm, 3 Nm
Temporarily install LH front wheel

Note
5x nuts, 21mm, 175 Nm, Start lug nuts by hand before using power tool
Lower vehicle until tires are touching the ground

Note
Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
Remove Schrader valve cap from air reservoir

Note
1x cap
Set up nitrogen tank kit to fill reservoir

Note
Verify valves are set to the closed position on the tank, regulator and the air line
Connect nitrogen tank hose to reservoir

Note
Early production VINs have AC valves fittings and need an adapter for schrader fill type ports
Open valve on nitrogen tank and set pressure to 8 bar using regulator

Note
Slowly open valve and adjust regulator, Verify pressure is set to 8 bar, If the pressure is not within this range, TAS assisted inflate routine will not operate
Open valve on nitrogen tank hose
Verify pressure holds on the regulator valve gauge

Note
8 bar, If pressure does not hold, there may be a leak present, Use regulator valve to adjust amount of psi as needed
Re-establish vehicle connection to Toolbox 3

Note
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)
Select ‘Actions’ tab and search for ‘Inflate"
Select 'PROC_TAS_X_INFLATE-FL’, click ‘Run’, and allow routine to complete

Note
Select ‘X’ at top right of window to close once complete, Verify the spring is inflated
Close valve on the nitrogen tank
Close valve on nitrogen tank hose
Close the pressure regulator valve on the nitrogen tank to release the line pressure in the lines
Remove the nitrogen tank hose from the reservoir
Install cap onto reservoir valve
Raise vehicle partially and lower 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 LH front wheel

Note
5x nuts, 21mm, 175 Nm
Perform measurement and inspection between LH front air spring solenoid and brake line

Note
Recommend usage of a digital caliper, Perform measurement between LH front air spring and the brake hose, The clearance must be greater than 15mm and less than 20mm, If measurement is out of spec then rework is required, Inspect brake line and air spring for signs of damage or rubbing, If component damage is present then create a toolbox session and escalate for assistance, Determine if replacement will be required
Carefully rework and adjust LH damper tube position

Note
Note the air springs must be pressurized in order to perform adjustment, Do not adjust if the spring is not pressurized or damage will occurCarefully adjust lower portion of the LH air spring, Grip the damper tube on both sides and rotate slowly, Adjust in direction required to achieve the correct specification, Do not pinch or damage any electrical connections, After adjustment, the LH air spring should be near centered on the lower aft link ball joint
Verify measurement between LH front air spring solenoid and brake line

Note
After adjusting strut position, verify measurement between LH front air spring and the brake hose again, The clearance must be greater than 15mm and less than 20mm
Install LH front wheel

Note
5x nuts, 21mm, 175 Nm, Start lug nuts by hand before using power tool
Lower vehicle until tires are touching the ground

Note
Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
Torque LH front wheel

Note
5x nuts, 21 mm, 175 Nm
Install LH front wheel center cap

Note
1x cap, Verify emblem is aligned with valve stem
Select ‘Actions’ tab and search for ‘TAS service mode’
Select ‘ TAS Enter Normal Run ModePROC_TAS_X_ENTER-NORMAL-MODECommon/tasks/PROC_TAS_X_ENTER-NORMAL-MODEChassis ’, click ‘Run’, and allow routine to complete

Note
Select ‘X’ at top right of window to close once complete
Disconnect Toolbox 3 from vehicle and remove laptop and ethernet diag kit

Note
If RJ45 ethernet diagnostic connector present media converter box not required. Disconnect directly from laptop using an RJ45 Ethernet cable
Install IP service panel

Note
2x tabs, 4 datums, Slide forward engaging datums then secure tabs upward into IP
Remove air suspension from "Jack Mode" and set to "Standard"

Note
Using center display > Controls > Service > ''Jack Mode'', Using center display > Controls > Suspension > ''Standard''
Secure LH FST cap to shock tower

Note
1x bolt, 13mm, 14 Nm
Secure LH FST cap to multi-system beam

Note
3x bolts, 13mm, 22 Nm, 1x clip
Secure remote brake fluid reservoir to LH FST cap

Note
2x bolts, 10mm 8 Nm, 1x datum, Rotate reservoir with bracket on to LH FST cap
Install frunk assembly

Note
8x bolts, 10mm, 5 Nm
Install frunk carpet

Note
Verify carpet is properly seated under the seal
Install frunk access panel

Note
3x clips, 3x hooks, 1x connector
Install front underhood apron

Note
12x clips, 3x datums
Install RH underhood apron

Note
11x clips, 2x datums
Install LH underhood apron

Note
11x clips, 2x datums
Install rear underhood apron

Note
11x clips, 2x datums
Close hood

Note
Press firmly in green highlighted areas (see image), Damage may result from pressure elsewhere on hood
Remove vehicle from lift

Note
Lower rack arms fully and remove them from under vehicle, Remove air suspension from "Jack Mode"
Raise LH front window
Close LH front door
Refer to the Alignment Requirement tables to determine whether an EPAS alignment check (EC) or four wheel alignment check (AC) is necessary. If performed, add the alignment check/adjust as a separate activity. See Alignment Requirement - Suspension.