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1989 PCM 40A_Noisy at idle

logcabn

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"The last time I took the boat

"The last time I took the boat out in the fall there was a definite whining noise coming from the transmission. When I grabbed the hose that comes off the top I could feel a vibration that almost felt like something was grinding inside. This hose goes nowhere, just ends with a plug. I took it out anyway and experienced quite a bit of vibration(some of it likely bad alignment) and came back at low speed. When I started it to winterize the noise was not present. Just fired it up and it's back. I did change the oil last season, maybe got the wrong type of dexron. Any ideas? The troubleshooting page says something about a pressure regulator. Where is that? I'm pretty mechanical and hesitate to take it to a dealer for fear of sticker shock. It goes in and out of gear fine."
 
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