Drive link assembly connects the internal drive system to the blower fan in your range hood. Replace when worn, cracked, or causing uneven motion.
Do-It-Yourself Stories from Customers like You
Thermador 36" downdraft vent for cook top made a thunking noise when lowered Ann W. • Loudon , TN • May 30, 2018
Found a knowledgeable helper who took the unit apart and replaced the Drive Arm Assembly and Drive Link. We had also replaced the switches and motor a month before, when we then noticed that the unit was not retracting at an even rate of speed.
I'm estimating that it took 1-2 hours because the unit is in the middle of a kitchen island. We needed to remove and replace storage drawers to access the unit, which took as long as the repair itself.
The old c. 1998 Drive Arm Assembly was very worn...
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