Tesla Model S Owners & Service Manuals

Tesla Model S: Air Suspension - Pressurize - Full System

Tesla Model S (2012-2024) Service Manual / Suspension / Air Suspension - Pressurize - Full System

Add Nitrogen to the Air Reservoir System

Warning: Wear eye protection while performing this procedure.

Caution: Tesla recommends using a nitrogen refill kit to refill the air suspension reservoir. Do not use shop air, which might contain contaminants that could damage the air suspension system.

Nitrogen Refill Kit

Nitrogen Refill Kit

  1. Remove the center underhood apron (refer to procedure).
  2. Verify that the gauge on the nitrogen tank reads between 1000 and 3000 psi.

    Add Nitrogen to the Air Reservoir System

Warning: Failure to follow the next step might result in injury.
  1. Turn the red ring on the secondary regulator all the way clockwise. This ensures that the regulator is fully closed.

    Add Nitrogen to the Air Reservoir System

  2. Attach the secondary regulator to the nitrogen tank.

    Add Nitrogen to the Air Reservoir System

  3. Remove the safety cap from the vehicle's air suspension reservoir fill point.

    Add Nitrogen to the Air Reservoir System

  4. Tighten the nut that secures the fill gauge to the reservoir fill point.

    Caution: Ensure that the upper knob is closed by turning it all the way counterclockwise.

    Add Nitrogen to the Air Reservoir System

Warning: Before proceeding, ensure that the red ring on the secondary regulator is closed by turning it all the way clockwise.
  1. Attach the fill gauge to the secondary regulator.

    Add Nitrogen to the Air Reservoir System

  2. Slowly turn the red ring on the secondary regulator counterclockwise. This allows nitrogen to fill the secondary regulator.
  3. Check the gauge on the secondary regulator to verify that it has pressure.

    Add Nitrogen to the Air Reservoir System

  4. Open the upper knob on the fill gauge, which is secured to the reservoir fill point.

    Add Nitrogen to the Air Reservoir System

  5. Slowly turn the red knob on the fill gauge to allow nitrogen into the air suspension reservoir. Adjust the knob until the fill gauge reads 150 psi.

    Add Nitrogen to the Air Reservoir System

  6. Turn the red ring on the secondary regulator all the way clockwise to close it.
  7. Turn the red ring on the fill gauge all the way clockwise to close it.
Use Toolbox to Fill the Air Springs Use the Toolbox "Air Suspension Fill/Deflate" panel to pressurize the air springs.

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