Winco Internal Engine Knock

Loud knocking or metallic banging noise from engine area while running.

Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Low engine oil level causing bearing damage, Loose connecting rod or internal wear, Detonation from incorrect fuel or timing, Broken engine mount allowing contact

How to Fix / Troubleshooting

Safety first: If a loud knock develops, shut down immediately and disable AUTO to prevent further damage.

Check oil level: Verify oil level on dipstick. If low, top up but be aware internal damage may already exist.
Inspect mounts: Ensure engine mounts are intact and engine is not contacting the frame.
Do not continue to run: Internal knocks usually indicate serious engine damage. Further operation can lead to catastrophic failure.

Contact a Winco service provider for engine inspection and possible overhaul or replacement.

Repair Difficulty

Professional Required 5/5

Required Part

Engine Assembly

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