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What Causes the Car Window Glass to Tilt to One Side When Rolling Up?

1 Answers

StephenFitz

07/30/25 9:32am

Here are the reasons why the car window glass tilts to one side when rolling up: Window regulator malfunction: A faulty regulator or aging motor may result in insufficient power, causing the window to fail to roll up properly when encountering slight resistance. Damaged rubber guide channel: Prolonged use of the vehicle can cause the rubber guide channel of the window glass to deteriorate due to rubber aging or dust accumulation, leading to slow window movement or stopping at a certain position. Some window glasses may tilt when rolling up. Loose window fixing screws: This is often accompanied by unusual noises when the window is being rolled up. Below is additional information related to window regulator failures: Poor contact: If all window regulators fail to work, possible causes include a detached ground wire from the combination switch, a detached main power wire, poor contact or damage to the relay, or poor contact or failure to close the lock switch. The repair method involves inspecting and repairing the circuit. Window regulator jamming: This issue may be caused by deformed or damaged window channels or loose fixing screws of the regulator. The repair method mainly involves cleaning or replacing the window channels or loosening the window installation screws to adjust the glass position. Damaged window regulator: This could be due to misaligned guide rail installation or a damaged regulator. The key repair methods include cleaning or replacing the window channels or adjusting the glass position by loosening the installation screws.

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