Fixing the Engine Before Sailing to Hawaii’s Big Island
24 September 2025 · 32 min · 7K views · Oahu
Hands fit yellow impeller into raw water pump
What this video covers
A leaking raw water pump on an engine requires replacement to prevent saltwater corrosion on nearby electrical control panels.3:08 After discovering a slow drip, the owner removes the old pump, transfers the fittings to a spare unit, and installs it using a new gasket.14:16 To prevent the impeller from burning during the initial dry start, the pump housing and impeller are coated with petroleum jelly.21:36 A zip-tie technique helps compress the impeller vanes to fit the housing during reassembly.23:17 After mounting the pump and reconnecting the hoses, the owner opens the seacock and runs the engine to verify the repair.27:59 A minor leak from a secondary screw is resolved by tightening the fastener.30:37 The project takes approximately four hours to complete, though the owner notes that cleaning the resulting corrosion from the engine wiring remains a separate, future task.31:28
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