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Current version by: oldturkey03 ,

Text:

Ben, 1998@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.
Ben, 1998@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.
 
https://www.youtube.com/watch?v=pRofSFr_2Sk

Status:

open

Edit by: L Pfaff ,

Text:

Ben, 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 cocks(beingplugs (being plastic and old break very easy, leaving half stuck in radiator tank). Only service cooling system when cool.
Ben, 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 cocks(beingplugs (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.
 
https://www.youtube.com/watch?v=pRofSFr_2Sk

Status:

open

Edit by: L Pfaff ,

Text:

Ben, 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 cocks(being plastic and old break very easy, leaving half stuck in radiator tank). Only service cooling system when cool.
Ben, 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 cocks(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.
 
https://www.youtube.com/watch?v=pRofSFr_2Sk

Status:

open

Original post by: L Pfaff ,

Text:

Ben,  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.

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.

https://www.youtube.com/watch?v=pRofSFr_2Sk

Status:

open