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What is the name of the pulley next to the air conditioner pulley?

Tiny
LISTER89
  • MEMBER
  • 2004 HYUNDAI SONATA
  • 2.7L
  • V6
  • 2WD
  • AUTOMATIC
  • 223,000 MILES
I'm just curious what the name of the pulley is next to the air conditioner pulley. It's wobbly and I need to replace it. I have circled it in the picture.
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Saturday, September 30th, 2023 AT 3:26 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,550 POSTS
Hi,

That is an idler pulley. Basically, it does nothing more than direct the belt in a needed direction. In this case, the positioning causes an increase in the belt to pulley surface area for the compressor. I attached a pic below and highlighted the pulley I believe you are referring to. If that is incorrect, let me know.

Let me know if that helps or if you have other questions.

Take care,

joe

See pic below.
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Saturday, September 30th, 2023 AT 10:06 PM

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