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Test F: Window Is Stuck Or Binding

  1. Check Glass Guide  - Remove door trim panel at suspect window. Actuate suspect power window down switch. 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.
  2. Window Regulator Operation Check  - Actuate suspect power window up switch. Observe window motion. If regulator does not skip or bind, go to next step. If regulator skips or binds, adjust door window glass. See DOOR WINDOW GLASS  under ADJUSTMENTS.
  3. Regulator & 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 window motor and retest system operation. If excessive wear and/or damage is not found, lubricate regulator and retest system operation.
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