Draining Radiator: Plug Problem
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Postmaster
Joined: Jul 2003
Posts: 2,976
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From: Rep. of Texas
Draining Radiator: Plug Problem
My radiator plug wont come undone...
There is the threaded piece that just sticks out, then a wing nut like piece that rotates free of the threads, not giong forwards or away from the radiator, and then a thin round piece that also spins freely, independent from the threaded piece.
How do you get this off?
I twisted and pulled for 15 mins, to no avail.
There is the threaded piece that just sticks out, then a wing nut like piece that rotates free of the threads, not giong forwards or away from the radiator, and then a thin round piece that also spins freely, independent from the threaded piece.
How do you get this off?
I twisted and pulled for 15 mins, to no avail.
Junior User
Joined: May 2004
Posts: 62
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If the wing nut like piece is rotating freely, you will need to replace the petcock (drain). Behind the wing nut is a hex piece, usually they take a 9/16 wrench. Be careful not to break the threaded piece out of the bottom of the raidiator. Have never changed one on one of these trucks, you may end up pulling the lower radiator hose to get the coolant out (have a BIG tub to catch it all), then raise your radiator up to access the drain to change it out.
