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AZTechBrian, ASE Certified Technician
Category: Subaru
Satisfied Customers: 708
Experience:  Owner
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Subaru Outback 2.5I: I have a 2008 Outback with a 2.5 SOHC

Customer Question

I have a 2008 Outback with a 2.5 SOHC engine. Doing head gaskets - Sent heads out to to be machined. They took off the camshaft pulley from the left head to machine it. There is a keyway in the camshaft and a key way in the in the pulley. 180 degrees from the pulley keyway is a round nub. There is nowhere for the round nub to go except into the shaft keyway - otherwise you can not put the pulley on the end of the camshaft flush . It seems odd that this nub would go into the keyway and that you would not use a key blank.
I was thinking they sent back the wrong pulley, but probably not. Does the nub go into the keyway?.
Submitted: 1 year ago.
Category: Subaru
Expert:  AZTechBrian replied 1 year ago.
Hello. There should be a notch in outer edge of the camshaft that the "nub" fits into. Could you take a picture for me and upload it here so I can be sure that I am on the same page as you?
Expert:  AZTechBrian replied 1 year ago.
I don't recall there being a keyseat cut into the camshaft on that particular engine for a key to fit into. Just one on the outer edge that the nub would seat into.
Expert:  AZTechBrian replied 1 year ago.
Hopefully that helps. If not please let me know so I can do what i can to make sure your question has been answered. Thank you.

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