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February 4, 2026 Service bulletin

On some Model S and Model X vehicles, the compression gap of the HVAC drain funnel seal is wider than...

Tesla technical service bulletin SB-26-18-001 for 2021-2026 Tesla Model S and 2021-2026 Tesla Model X.

Bulletin number
SB-26-18-001 (SB-26-18-001)
Component
Unknown or other
Summary
On some Model S and Model X vehicles, the compression gap of the HVAC drain funnel seal is wider than intended, which may cause water ingress. Inspect the sponge area of the HVAC drain funnel for water ingress. If water ingress is present, rework the HVAC drain funnel seal.

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