1976 P bass - Advice needed on tuning machine replacement

You need 4 on a side tuners with 11/16 hole size. Schaller, Gotoh, Wilkenson, Grovers, Fender all good

Here is a link to schallers

 

These look like they'll do the trick:

https://www.angela.com/fenderpurevintage70sjazzbasstuners1set.aspx

To be honest, I don't know how one of those tuners could slip - are you sure there isn't something else going on?

 

Sounds like a bad string. Or a badly installed string.
Never seen a Fender tunder slip.

 

Ditto on the slipping. Very rare. Fender stock tuners are bulletproof. I'd check to see if the string is verrrrrry slowly slipping out of the center of the post.

 

FWIW, I also have a '76 P bass:

 

Yup...

 

Love your '76. If it's ever for sale... ;-)

 

Thanks, but I'm pretty sure I'm going to keep it.... That pic was from the day I brought it home - I've since cleaned it up a bit... I bought original period covers and bridge for it, and put it back to "right" - this is what it looks like now:

 

Are you really sure the E tuner is not holding? My 75P has so much space with the E tuner you can put a toothpick next to it in the tunerpeg shaft. It is still holding.

 

Glad your E tuner is working fine! But no wonder its a Fender P bass!

 

Naw, nothing to feel stupid about - those tuners are generally really good, and pretty much bullet proof... They're typically nickle plated instead of chrome, and can look really grubby - but clean up nicely with a little effort... Here's my '76 headstock: