Summary
This service bulletin provides instructions for addressing a noted condition or possible customer concern regarding the operation of Tesla vehicles, specifically the Model 3 and Model Y, 2020-2021 models.
The condition involves refrigerant pressure/temperature sensors in the heat pump that can fault over time, affecting cabin heating or cooling.
The correction involves inspecting the vehicle for symptoms and replacing all 3 refrigerant PIT sensors if necessary.
Procedure
The procedure includes checking the vehicle for alerts, recovering refrigerant, removing and replacing the PIT sensors, and lubricating the new sensors.
The bulletin provides detailed steps and figures to guide the repair process.
Manual:
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