Water pump, strange noises

2007Z6ALL-LED

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Would you or someone show me how to remove the inner half water bump housing case? I heard someone said to use bumping air to push it out..but no idea/imagination how it can be forced out.

I'm planning to just replace the O-ring part# 7 but in case to have to remove everything to rebuild the seal just like you..(mine doesnt have the squealing sound yet but sip-leaking-turn-dried below and no obvious leak at all). I just want to ensure to replace it in time so the water won't get in the engine to cause more damage

Thanks so much anyone's response on this!

UPDATE :D - REPAIRED

My experience:

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Starting here

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Draining system, thought this was a cool pic, also removed inlet and outlet hoses.

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Outer cover removed, nothing strange.

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Pump removed, tight fit on that mounting O-ring. Used compressed air between inner half and engine to loosen then pulled right out.

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Inner half drive side view.

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Disassembly; oil seal, pump seal, oil O-ring & bearing, housing gasket & impeller with rubber damper & holder installed, circ clip.
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Seal removed, noticed rust formation.

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Cleaned surfaces with degreaser and Fast Orange hand cleaner.

Assembled per Service Manual. Manual error at step 3, fails to mention rubber damper & holder are one piece. Refilled system, no leaks, started, up to temp, topped off and took it for a ride. All done.
 
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