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06-26-2024, 08:22 PM
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#21
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Commander
Join Date: May 2021
Location: Nanaimo, BC
Posts: 291
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no, wheel does nothing
tried that, no change to squeal by steering?
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GeoffM70
"Therapy"
'94 3200SCR
5.7 Volvo Pentas, vortec, Bravo2
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06-26-2024, 09:46 PM
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#22
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Admiral
Join Date: Feb 2012
Location: Essex, Maryland
Posts: 10,537
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You can try removing the drive to see if the squeal stops, if so it’s either the drive or gimbal bearing if not its engine related. There is no issue runn8ng the engine for a few minutes without cooling.
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__________________
1997 Silverton 362, 7.4 Crusaders
1997 2400 SCR, 5.7 Vortec / Bravo 2
Mike
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06-27-2024, 02:33 AM
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#23
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Lieutenant
Join Date: Jan 2021
Posts: 61
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I did continue to chase this issue for quite a while (changed the belt, changed the raw water pump, changed several pulleys, swapped out the alternator). Never solved it. In the end one mechanic diagnosed it as a noise from the throttle body that's an issue with the particular 496 MAG I had (I sold the boat a few months ago). Mine lacked the throttle body muffler (the small sponge) that was added in the later models to quiet the throttle body. Some people found that replacing the flame arrestor with a K&N filter solved the problem, but I never got around to trying that.
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06-27-2024, 03:21 PM
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#24
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Commander
Join Date: May 2021
Location: Nanaimo, BC
Posts: 291
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gimble, almost certain
For f sakes! I just put (new to me) fresh water transom assemblies on in December. When I trimmed the leg up a little last night the sound disappeared. Then, when trimmed down, steering alters to noise slightly.
__________________
GeoffM70
"Therapy"
'94 3200SCR
5.7 Volvo Pentas, vortec, Bravo2
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06-27-2024, 06:07 PM
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#25
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Admiral
Join Date: Feb 2012
Location: Essex, Maryland
Posts: 10,537
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Quote:
Originally Posted by geoffm70
For f sakes! I just put (new to me) fresh water transom assemblies on in December. When I trimmed the leg up a little last night the sound disappeared. Then, when trimmed down, steering alters to noise slightly.
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Not sure what you mean by new to you, brand new or used units you bought? If the later all bets are off. If brand new I would have to question was engine alignment performed.
__________________
1997 Silverton 362, 7.4 Crusaders
1997 2400 SCR, 5.7 Vortec / Bravo 2
Mike
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06-27-2024, 06:39 PM
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#26
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Commander
Join Date: May 2021
Location: Nanaimo, BC
Posts: 291
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They looked brand new
They were used, from a fresh water boat, and looked brand new. Booking a hual out now. Going to change them both.
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07-04-2024, 07:10 PM
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#27
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Commander
Join Date: May 2021
Location: Nanaimo, BC
Posts: 291
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both gimble baring's were toast.
__________________
GeoffM70
"Therapy"
'94 3200SCR
5.7 Volvo Pentas, vortec, Bravo2
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07-04-2024, 11:59 PM
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#28
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Admiral
Join Date: Feb 2012
Location: Essex, Maryland
Posts: 10,537
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Quote:
Originally Posted by geoffm70
both gimble baring's were toast.
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Not surprised. How were the bellows?
__________________
1997 Silverton 362, 7.4 Crusaders
1997 2400 SCR, 5.7 Vortec / Bravo 2
Mike
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07-05-2024, 12:02 AM
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#29
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Commander
Join Date: May 2021
Location: Nanaimo, BC
Posts: 291
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Those were perfect 👌
Dry as a bone, nice and rubbery still.
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