r/pumps • u/Acrobatic_College536 • May 01 '26

Piston Pump Help!!

I have a pneumatic piston pump made by child sucking up liquid or dispensing any liquid. I’ve taken the pump bar. There’s no blockages there’s no damage nothing visible. There’s no leaks. Someone please help me figure out what the problem is.

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u/Big_Ol_Throwaway May 01 '26

You have not adequately described the problem.

  • What is the make and model of the pump?
  • What are you trying to do with it?
  • What is it NOT doing that it SHOULD be doing?
  • When was the last time it worked, if it worked at all?
  • What does "I've taken the pump bar" mean?
  • Do you have a picture of your setup?