This is an evaluation and description of the methods and materials used to moisture proof window lift motors as applied inside automotive doors. An environmental test cabinet is described. The materials and methods were tested for their ability to seal, their resistance to abuse, their application to the motor housing, their resistance to lubrication, and their cost. The methods of moisture protection investigated were: drain holes, moisture proofing materials, and positioning. Considering all aspects, gasket seals between the motor frame and the housing proved to be a superior way to protect motors from water damage.
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