Tesla Model 3 Owners & Service Manuals

Tesla Model 3: Undertray and Diffuser

Tesla Model 3 2017-2026 Service Manual / Exterior Fittings / Undertray and Diffuser

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 Diffuser - Rear Fascia (Remove and Replace)

Remove Raise and support the vehicle. See Raise Vehicle - 2 Post Lift. Remove the bolts that attach the rear fascia diffuser to the mid aero shield.   Torque 5 Nm Remove t

 Panel - Aero Shield - Front (Remove and Replace)

Remove Raise and support the vehicle. See Raise Vehicle - 2 Post Lift. Remove the bolts (x9) that attach the front aero shield panel to the vehicle. Remove the nuts (x2) that attac

 Panel - Aero Shield - Mid (Remove and Replace)

Remove Raise and support the vehicle. See Raise Vehicle - 2 Post Lift. Remove the bolts (x13) that attach the mid aero shield panel to the vehicle, and then remove the panel from the veh

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 Vent Assembly - HV Battery - LH (Remove and Replace)

Vent Assembly - HV Battery - LH- Remove Remove Use Toolbox to put the vehicle into Factory Mode. Invoke diagnostics on the touchscreen. Inspect the Notifications for either a BMS_a123 or a BMS_W123 alert. If: Either alert is present - Contact Service Engineering. Do not perform this proced

 Pressure Transducer - Low Pressure (Remove and Replace)

Remove Recover the A/C refrigerant. See A/C Refrigerant (Recovery and Recharge). Note: Completely recover the refrigerant before continuing this procedure. Disconnect 12V power. See 12V Power (Disconnect and Connect). Disconnect the electrical connector to the low pressure transducer.

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