Test D: Window Is Stuck Or Binding
- Remove trim panel at suspect window. Actuate power window switch for down operation. Observe glass in guides. If there are no obstructions in glass guides, go to next step. If obstructions are observed, clear obstructions and lubricate glass guides. Retest system operation.
- Window Regulator Operation Check - Actuate power window switch for up operation. Observe window motion. If regulator does not skip or bind, go to next step. If regulator skips or binds, loosen glass guide retaining screws and adjust glass guides as necessary. Retest system operation.
- Regulator & Power Window Motor Check - Inspect regulator and motor for excessive wear or damage. If excessive wear or damage is found, repair or replace regulator and/or motor. If excessive wear or damage is not found, lubricate regulator and retest system operation.