Radiator Drain?

rubio9800

Greasemonkey
Oct 10, 2020
197
28
California
Hello everyone,

Not sure, but is this the drain kock ? Trying to replace coolant

sorry for the crappy pic , this is from the driver side looking down.

81 GP 265
not sure if it’s original radiator, looks like it is.

thanks
 

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Last edited:

MrSony

Geezer
Nov 15, 2014
6,155
113
Des Moines, Iowa
it should have a petcock on it. All else fails, get a biiiiig deep drain pan and undo the lower rad hose from the water pump and let it flow.
 
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69hurstolds

Geezer
Supporting Member
Jan 2, 2006
5,597
113
Typically, on G-bodies, there's an opening in the radiator support underneath on the passenger side that allows access to the draincock on the BOTTOM of the radiator.

While that's possible that what you circled is a drain PLUG, I'd check underneath first. Reason is, you can see that the plug seems rather hard to get to.

Circled is where you typically find factory draincocks, like this monte SS pictured here.

factory radiator drain c*ck location.jpg
 
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Burd

Greasemonkey
Apr 7, 2021
245
43
Detroit
Don’t open it, take the hose off, they usually leak after you mess with them.
 
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69hurstolds

Geezer
Supporting Member
Jan 2, 2006
5,597
113
I guess they don't leak if you don't have one. :)

But if you ever need one, the GM number is 9437207
 
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