Cooling System Pressure Tester Repair?

[Zephyr]

I'm looking at buying a pressure tester and there is a guy at my work that has a Stant style pressure tester that has a broken seal so it leaks near the shaft. Does anyone know if repair kits are made or if they can even be taken apart?

 

[chris142]

If it's like mine Theres a disc inside it that acts like a check valve. Oiling it fixes it. Might try that?

 

[Zephyr]

I might try it tomorrow. I take it the top is threaded on there similar to a grease gun?

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[chris142]

No need to take it apart just yet. Mine has a hole on top where it ***** in air. Put a few drops of oil down that hole.