2021-2022 Toyota Camry / RAV4 Crankcase Vent Issue

Symptoms

Owners of affected vehicles may experience the release of crankcase emissions. This indicates that the engine's crankcase ventilation system is not functioning as intended, which can impact emissions control.

Diagnosis / Trigger Conditions

The root cause of this issue is an incorrectly manufactured Crankcase Case Vent within the engine. If your vehicle is equipped with this faulty component, it can lead to the described crankcase emissions. A qualified technician will need to inspect the crankcase ventilation system to confirm the presence of the incorrectly manufactured part.

Repair Procedure Summary

To address the issue of the incorrectly manufactured Crankcase Case Vent, the repair involves inspecting and, if necessary, replacing the faulty component. This ensures that the engine's crankcase ventilation system operates correctly, preventing the release of crankcase emissions and maintaining proper engine function. The specific steps for diagnosis and replacement will be outlined in the full technical service bulletin.

Owner Action

If you own a 2021-2022 Toyota Camry or RAV4 and suspect an issue with your crankcase ventilation system, or if you are concerned about potential crankcase emissions, it is recommended to contact your authorized Toyota dealership. They can inspect your vehicle and determine if it is affected by the incorrectly manufactured Crankcase Case Vent and perform the necessary repairs. This TSB indicates that the issue pertains to a manufacturing defect, and repairs under warranty would typically be covered.

Source: NHTSA ID 10220206