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Oil pump rebuild help

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Hi everyone, I'm currently rebuilding my S4s engine. I'm reassembling my oil pump with new seals, rotor and annulus. The rotor and annulus have a tiny notch / marked on one side of them. Can anyone tell me the orientation of the rotor towards the annulus. I have gone thru the service notes and it doesn't mention this only mentions if you reusing the same rotor and annulus. Both parts are brand new, so does it matter? Cheers for any info / help . Dave

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