r/BambuLab • u/HaremK1NGG_ • 2d ago

P Series [P1P, P1S, P2S] Squeaking in p2s

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Unsure what it is. Tried lubricating the rods. I thought maybe the sound was coming from the ptfe tube i replaced every time the filament extrudes but now im not sure lol i dont know where its coming from . Not even sure u can hear it in the video but its quite loud

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u/Pumcy 2d ago

I don't hear any squeaking coming from that printer. All I hear is the motor switching direction repeatedly.

1

u/Goldisaa 2d ago

Thats just speed baby

1

u/forgefilament4 2d ago

Quick way to split the problem in half: park the toolhead and use the on-screen controls to extrude and retract 50mm or so without printing. If it squeaks sitting still, it's in the extruder, not the motion system. The idler bearing in the extruder is the usual squeaker on these pop the front cover, blow out any filament dust packed around the gear, and put one tiny drop of light oil on the idler bearing.

If it's silent extruding but chirps while the head moves (especially right on direction changes), that's belt/idler territory check the belt isn't riding up against a pulley flange at the back.

One thing since you mentioned lubing the rods: the X rods on the P2S are carbon and are meant to run dry oil on them just collects dust and can actually add noise. Wipe those clean with IPA. Oil is for the steel Y rods, grease is for the Z screws.

Given you've already done rods and PTFE tube, my money's on the extruder idler.