Repair guides and support for C/K pickup trucks sold by General Motors under the GMC brand, including the GMC Sierra.

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Looking for drain plug on radiator

Looking for drain plug for 98 sierra. Can someone help with the location, if there is one?

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@tree422 1998 gmc sierra drain plug on radiator, location is driver side radiator tank, very low on tank almost at bottom, plastic 1/4 turn butterfly drain plug to be loosened to drain coolant. Word of warning, sometimes better to ease off/ loosen lower rad hose and drain rad/coolant this way, some drain plugs (being plastic and old break very easy, leaving half stuck in radiator tank). Only service cooling system when cool.

Video link below will show how to access Rad. drain plug from under vehicle. Good luck.

I hope this helped you out, if so let me know by pressing the helpful button.

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Which way do I turn the drain plug


Perfect the location is accurate


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Ben Seaman estará eternamente agradecido.
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