All new spindles on taps - still drips!

[Mattazz20]

Hi all, I have no knowledge when it comes to plumbing so will describe our situation best I can...
A few months ago, our bath tap began to leak. No matter how hard we turned the taps off (which we later learnt causes further damage) it would still leak, and gradually got worse over time. We had the local plumber take a quick look when installing our water heater and he told us that we needed new spindle extensions. So we bought all new spindles AND extensions, did it ourselves, and fixed the leak!
That was about 2 months ago and it never dripped once since then, (though we never touched them at all in that time)... that was until yesterday when I briefly turned on the cold tap, and now its dripping!

I'm baffled as to how and why this is happening as everything we replaced was brand new...
Any help would be much appreciated

 

[oz-plumber]

Did you re-seat the breach in the wall?

Look up tap re-seating tool.
Probably the cause of the leak in the first place, if you only changed the washers to begin with.

 

[Mattazz20]

Thanks for your reply. Nah I've never even heard of re-seating so doubt we did that... is that a big job?
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Did you re-seat the breach in the wall?

Look up tap re-seating tool.
Probably the cause of the leak in the first place, if you only changed the washers to begin with.

Thanks for your reply. Na

Did you re-seat the breach in the wall?

Look up tap re-seating tool.
Probably the cause of the leak in the first place, if you only changed the washers to begin with.

Thanks for your reply. Nah I've never even heard of re-seating so doubt we did that... is that a big job?