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Water pump replacement. Help!!!!!

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Old Mar 2, 2008 | 04:37 AM
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Default Water pump replacement. Help!!!!!

So I'm ready to replace the water pump in my dad's 4.8 v8. I been searching thru post and just about none of them say anything about using silicone on the water pump gaskets. So question is do the water pump gaskets need silicone or not. Please help I wanna do this right the first time. Thanx
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Old Mar 2, 2008 | 06:37 AM
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Good gaskets will be ok . But i did put some mine .
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Old Mar 2, 2008 | 09:01 AM
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it doesn't hurt the only time i wouldn't put any on is if they are the rubber type ones.
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Old Mar 2, 2008 | 12:38 PM
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Thanx guys, Witch would be best{ what color} for my application.
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Old Mar 2, 2008 | 12:40 PM
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I used Blue rtv just enough to hold the waterpump gaskets inplace. Dont use just the rtv buy the gaskets at a local gm dealership, or parts store.
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Old Mar 2, 2008 | 06:33 PM
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like said above blue is what most will have some seem to have a grey that is specifficly for water pumps and thermostates
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Old Mar 2, 2008 | 07:43 PM
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blue is what was on mine when i took it off, but i just put a metal gasket on the new one and its worked out fine.
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