Replacement of the rear sway (anti-roll) bar on a 2024 Model Y Performance AWD. The bar is accessed from underneath the rear subframe area; no HV system interaction is required, but the 12V must still be disconnected per Tesla service practice.

Warnings

Tools required

Parts

• Rear sway bar × 1 — Manufacturer-specified rear sway bar for 2024 Model Y Performance AWD
• Rear sway bar bushings × 2 — OEM rear sway bar D-bushings (replace whenever bar is removed)
• Sway bar end link nuts (if single-use) × 2 — OEM-specified self-locking nut

Preparation

1. Park on level ground, place in P, engage the parking brake.
2. Exit ALL doors with the key fob away from the vehicle. Wait at least 2 minutes for HV systems to fully de-energize, even on this non-HV job.
3. Disconnect the 12V low-voltage battery (located behind/under the rear seat area on this generation Model Y — refer to Tesla Service Manual for exact location on your build).
4. DO NOT touch, cut, or pierce ANY orange cable — these are high-voltage and lethal.
5. If at any point you encounter an orange cable, an HV component, or are unsure if a system is de-energized: STOP and consult a Tesla-certified technician.
6. Place the vehicle in Transport / Jack Mode via the touchscreen before lifting (suspension is coil but this disables features that can interfere with service).
7. Raise the vehicle on a 2-post lift using ONLY Tesla-designated lift points, or support securely on jack stands at the same points. Never lift on the HV battery case.
8. Remove the rear wheels if needed for access, and remove any rear underbody aero panels covering the rear subframe/sway bar area.

Procedure

1. 1

   Inspect and photograph the area
   Before disassembly, photograph the rear sway bar, end link orientation, bracket positions, and routing of any nearby wiring or brake lines. Note the orientation of the bar (bends are not symmetric) so reinstallation matches.
2. 2

   Apply penetrating oil
   Apply penetrating oil to both sway bar end link nuts and both sway bar bracket bolts. Allow to soak for several minutes. Underbody fasteners on Tesla chassis components can corrode, particularly in salt-belt regions.
3. 3

   Disconnect rear sway bar end links
   Locate the end link connection at each end of the sway bar. Hold the link's internal shaft with the appropriately sized Allen/hex key to prevent rotation, then loosen and remove the end link nut from the sway bar side. Swing the end link clear of the bar. Inspect end link bushings/ball joints for play; replace if worn.
   ⚠Do not let the end link spin freely — holding the shaft with a hex key prevents damage to the internal ball joint.
   Torque spec

   Sway Bar Link Nuts55 Nm (41 lb-ft)
4. 4

   Support the sway bar
   Place a transmission jack or a stand under the center of the sway bar so it cannot drop when the bracket bolts are removed.
5. 5

   Remove sway bar bracket bolts
   Remove the two bolts securing each sway bar bracket (D-bracket) to the rear subframe. Retain the bracket halves. Note bracket orientation for reinstallation.
   ⚠Brackets may be captive on the bar bushings — do not pry aggressively against the aluminum subframe.
   Torque spec

   Sway Bar Bracket Bolts47 Nm (35 lb-ft)
6. 6

   Maneuver sway bar out of vehicle
   Carefully rotate and lower the sway bar out from between the rear subframe, exhaust-free underbody (this is a BEV — no exhaust), and any HV cabling or coolant lines. Route the bar out the side that provides clearance without contacting suspension or chassis components.
   ⚠️Identify and avoid any orange HV cabling and battery coolant lines during removal. Do not lever the bar against them.
7. 7

   Transfer/replace bushings
   Slide the old D-bushings off the bar. Install new bushings on the new (or original) bar in the same position as the originals — bushings must seat in the bar's locating ridges/markings if equipped. Lubricate only with manufacturer-specified rubber-safe lubricant; do not use petroleum grease on rubber bushings.
   ℹ️Always replace sway bar bushings whenever the bar is removed — reused bushings frequently develop squeaks.
8. 8

   Position new sway bar
   Maneuver the new sway bar into position, matching the orientation noted in Step 1. Support it with the transmission jack or stand at center.
9. 9

   Install brackets and torque
   Place the bracket halves over the bushings and start all bracket bolts by hand to avoid cross-threading the subframe. Snug evenly, then torque to specification.
   Torque spec

   Sway Bar Bracket Bolts47 Nm (35 lb-ft)
10. 10

    Reconnect end links and torque
    Reconnect each end link to the sway bar. Hold the link's internal shaft with a hex key and torque the nut to specification. If the OEM nuts are single-use self-locking type, install new nuts.
    ⚠Failure to hold the end link shaft will spin and destroy the internal ball joint.
    Torque spec

    Sway Bar Link Nuts55 Nm (41 lb-ft)

Reassembly

1. Reinstall any rear underbody aero panels removed for access; ensure all clips and fasteners are reseated — missing aero panels reduce range.
2. Reinstall rear wheels if removed; torque lug nuts to OEM specification — refer to Tesla Service Manual.
3. Lower the vehicle to the ground.
4. Reconnect the 12V low-voltage battery.
5. Close all doors and allow the vehicle to wake; clear any 'Jack Mode' or related alerts on the touchscreen.

Verification

• Confirm no warning messages on the touchscreen related to stability control, ABS, or chassis after the first wake cycle.
• Test drive at low speed first; listen for clunks over bumps that would indicate loose bracket bolts or end link nuts.
• On a smooth straight road, verify the steering tracks straight and there is no unusual rear-end sway or knocking during lane changes.
• Re-inspect bracket bolts and end link nuts after the first 100–200 miles for any movement or loosening.
• While the vehicle is up, take the opportunity to verify rear tire wear pattern — Model Y Performance wears rear tires aggressively; if uneven, schedule a rotation (Tesla recommends every 6,250 mi) and an alignment check.

More procedures for this vehicle