Mercruiser noise

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rjkoop

Cadet
Joined
Jul 20, 2009
Messages
6
I have a 1998 Stingray with a 3.0l Mercruiser alpha 1 drive engine. Since I got the boat back there is a creaking/squeaking noise when you engage the engine. As you accelerate the pitch of the noise goes higher and then stops once you're over about 5 mph. What could I check? I want to ensure that all the fluids are fine and the dealer didn't screw anything up after bringing it out of winterization. The gimble bearing was replaced a year ago.
 
81 Checkmate

81 Checkmate

Lieutenant
Joined
Jul 20, 2010
Messages
1,360
Re: Mercruiser noise

Can you isolate the noise to engine or drive? Check your belts and see if they are worn or your pullys have rust on them.
 
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rjkoop

Cadet
Joined
Jul 20, 2009
Messages
6
Re: Mercruiser noise

Yep. I looked at the engine area and it appears that the power steering belt is loose. It has about 1" of play when I push it in the middle. My brother-in-law also mentioned that when he used the boat there was a bit of a burning rubber smell when it made the squeaking noise. So I'm going to try to tighten the belt so there's only about 1/4" of play.
 
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dubs283

Vice Admiral
Joined
Jul 27, 2005
Messages
5,116
Re: Mercruiser noise

rjkoop said:
there was a bit of a burning rubber smell when it made the squeaking noise.
Click to expand...

probably a good idea to just replace the belt as burning rubber smells indicate severe wear
 
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