Serpentine what pulleys basically go into pistons called?

2007 CHEVROLET IMPALA
150 MILES • 6 CYL • 2WD • AUTOMATIC
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DEBBIE WHITE2
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  • 1 POST
I need to know what pulleys basically go into pistons called.
Sep 27, 2024 at 7:29 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,711 POSTS
I believe you are referring to the serpentine belt tensioner, does it look like this? Check out the images (below). Please upload pictures or videos in your response of any problems so we can see what to help you with.
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Sep 27, 2024 at 10:14 AM
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