![Best way to clean old/dirty piston and valves? Working on an old sears water pump, no idea on the make or model. : r/MechanicAdvice Best way to clean old/dirty piston and valves? Working on an old sears water pump, no idea on the make or model. : r/MechanicAdvice](https://i.redd.it/433rqn0o90531.jpg)
Best way to clean old/dirty piston and valves? Working on an old sears water pump, no idea on the make or model. : r/MechanicAdvice
![cleaning - How much should you clean dirty pistons and valves when you aren't removing them? - Motor Vehicle Maintenance & Repair Stack Exchange cleaning - How much should you clean dirty pistons and valves when you aren't removing them? - Motor Vehicle Maintenance & Repair Stack Exchange](https://i.stack.imgur.com/drUBM.jpg)
cleaning - How much should you clean dirty pistons and valves when you aren't removing them? - Motor Vehicle Maintenance & Repair Stack Exchange
![head swap....any reason to clean carbon off pistons? - LS1TECH - Camaro and Firebird Forum Discussion head swap....any reason to clean carbon off pistons? - LS1TECH - Camaro and Firebird Forum Discussion](https://ls1tech.com/forums/attachments/generation-iii-internal-engine/359391d1339996489-head-swap-any-reason-clean-carbon-off-pistons-headsprings-clean.jpg)