New Nissens radiator - drain plug question

[krenekj]

I just finished replacing my radiator with a Nissens - documented here - in my 99 S70 NA MT.

The drain plus is a simple twist off thumb screw that does not take much force to loosen. Do I need to secure it any further? I don't have any experience with this type of drain plug and I'm not sure if it will work it's way loose.

Thanks.

[theWIFES_S70]

Do you have this type of radiator petcock?



Mine broke when I was flushing fluid over a year back.
viewtopic.php?t=75250

Horrible design if you ask me. Mine weeps, but that's because I broke it and replaced it with the only one I could find that has a few less threads than the Volvo one. I was supposed to JB Weld it but it's stopped weeping (as much). I wouldn't worry about it. But I also wouldn't open and close it very much. We're lucky that it's so easy to remove that lower radiator hose on our car. When I get around to swapping out my heater hoses I will drain it and JBWELD it.

[krenekj]

No, the plug looked similar to the one below, with an embedded washer, thumbscrew and long threads. It only makes a 1/2 turn or so before you can pull it out.

[abscate]

Thumb screw type covered here

viewtopic.php?f=1&t=79580