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Former Owner of a 2005 CTS
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71 Posts
Discussion Starter #1
Is the pulley I've circled in red actually driving something? If so, what? I couldn't find any diagrams showing what this pulley is for.
575635
 

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Former Owner of a 2005 CTS
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71 Posts
Discussion Starter #3
That's what I was thinking it was. Thank you! I have some oil very slowly accumulating around this point underneath (not dripping onto the floor, just directly under it by the belly pan, so I'm thinking its coming from higher up?
 

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2007 CTS 2.7L
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518 Posts
clean it all up, drive, and see where it is coming from. Over time eventually everything will leak a little. If it is just time accumulation, no need to worry. Just clean it up and move on.
 

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2007 CTS 3.6 >129k miles
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498 Posts
^this

My guess is either the front main seal or the power steering hose is leaking a little, but the only way to know is to use the process described above.
 

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Former Owner of a 2005 CTS
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71 Posts
Discussion Starter #6
I did clean it up a little bit yesterday. The front main seal appeared dry, so I'll get back under it when the weather here clears up and see what it looks like. Thank you guys!
 
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