This is the seal that prevents water from leaking out all over your bathroom floor.
Sink drain ball rod leaking.
Do you still have a drainage issue.
Remove pivot rod after you remove the gasket on the drain you will see a small white ball on the pivot rod.
I used a universal replacement kit that came with balls of several sizes and one very flimsy washer to seal the interface between the ball and the tightening nut.
You shouldn t normally need any tape or other sealant.
Where the rod enters the drain is the retaining nut.
I had to replace the ball rod assembly on a bathroom sink s pop up drain since the old rod had corroded badly.
Craig there s two special tapered washers one on each side of the pivot ball.
Simply snug that nut up until the leak stops careful.
Leaking ball joint rod under sink hi i ve had a problem with my bathroom sink leaking at the retaining nut where the ball joint connects to the pivot rod.
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Maneuver the clevis strap onto the pivot rod.
You can buy replacement sets.
Could be the old brass drain has a shorter threads to catch or length from the ball to the end is too long and its up against the drain pipe.
Choose a perforation in the clevis strap that allows the lift rod to properly activate the sink stopper via.
Then try is with the washer.
On the other side of the ball is the portion of the pivot rod that attaches to the drain stopper that could be dirty or broken off.
If the drain pipe under your bathroom sink is leaking you may need to simply re tighten the nut.
Tighten until snug take care not to over tighten.
Slip the spring clip onto the pivot rod.
Just use the old parts to see if you can get a bite on the threads if you can just try it again with the new rod without the new washer and the old nut.