When the curtains are raised or lowered and a clicking sound is heard, it is usually caused by damage to the internal plastic gears,
Replace our new metal gear to solve the problem (Replace according to the pairing, solve the matching problem, and add lubricating oil at the same time)

rear door window glass curtain shade motor Gear Kit for 11-17 Porsche Cayenne
Rear Sunshade Motor Gear Cog Set 958536318013W4 for Porsche Cayenne VW Touareg
Window Sunshade Lift Curtain Motor Internal Gear For Porsche Cayenne 2011-2017
958536317013W4,958536318013W4,7P5861318,7P5861317,7L6861318A