2006 Verado 175 FSM Noise

Dillusion808

Seaman
Joined
Nov 20, 2023
Messages
64
2006 Verado 175
My FSM is making a squeaking noise while on muffs. Sounds like the pump cycling. I can't hear it in the water.
Is there a troubleshooting guide so I can tell which pump it is? Or should I just clean screens and chance it?

Don't want to just throw parts at it.
 
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