Lumbar Support not working 08 avalanche

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pwtr02ss

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I noticed the other day that the lumbar is not working on my driver or passenger front seat. The passenger makes a grinding noise but driver does anything. Not exactly sure when this happened or how long it hasn't worked, I never use it but a passenger tried and thats what made me notice.

Any ideas?
 
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MadDogDelpho

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Get a new seat to replace it, then tear into that one and figure out how to fix it in case it happens again.
 

sumo

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Power or manual adjust? Lumber support is a folding plastic tray like and when its adjusted, it pulled tighter and pushed the seat back out. On my manual adjust the guide where cable is held broke so adjusting the knob does nothing
 
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pwtr02ss

pwtr02ss

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Power or manual adjust? Lumber support is a folding plastic tray like and when its adjusted, it pulled tighter and pushed the seat back out. On my manual adjust the guide where cable is held broke so adjusting the knob does nothing

Its power
 

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