Door Noise Diagnosis (Front Side Door Weatherstrip Itch)
Door Noise Diagnosis (Front Side Door Weatherstrip Itch)
Symptom
Itching noise heard at the door window (1) to weatherstrip (1) interface.
Possible Cause
Door glass (2) rubbing against the weatherstrip (1).
Diagnosis
Test drive the vehicle, roll the window (2) down so it is just off the weather-strip (1).
Corrective Action
Apply Krytox weatherstrip lubricant (GM P/N 9985767) to weatherstrip/glass interface. Use Krytox oil only, after application, let stand 30 minutes. Wipe off excess.