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tony87nautique 
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Joined: August-29-2006 Location: United States Status: Offline Points: 1 |
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 Topic: trannyPosted: August-29-2006 at 10:26pm |
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Slight knock coming from tranny....and getting boat vibration in reverse.....do i have tranny probs????
Help!! Thanks, Anthony |
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jimbo
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Joined: September-07-2004 Location: United States Status: Offline Points: 473 |
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Posted: August-30-2006 at 12:31am |
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Maybe, but not necasarily. Could be a number of other things.
What kind of shape is the prop in? Does the knocking go away when you pick up speed? How old is the engine/tranny? Has the Damper plate ever been replaced? How's the shaft alignment? |
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GottaSki
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Joined: April-21-2005 Location: NE CT Status: Offline Points: 3327 |
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Posted: August-30-2006 at 8:43am |
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Exactly. Can you turn the shaft by hand easily? if not, alignment is way off and needs immediate attention.
A crappy idle will cause knocking too. |
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"There is nothing, absolutely nothing, half so much worthwhile as messing around with boats...simply messing."
River Rat to Mole |
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eric lavine
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Joined: August-13-2006 Location: United States Status: Offline Points: 13413 |
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Posted: August-30-2006 at 10:39am |
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if its only noise and vibration in reverse you may have a tooth out on your planetary, which is a direct result of hitting something or mis-alignment. the planetary is locked and the planetary gears are not turning in forward or nuetral. if you had noise in all ranges and it went away like these guys said,it would be damper related or a mis fire. the dampers job is to soften torsional vibrations which are created on the powerstroke. if you didnt have a damper your trans would last about 10 hours. diesel engines are worse with torsionals. we had a guy that installed a input coupling wrong on a flywheel and the 3" input shaft snapped in half due to torsionals. check your alignment first, if it is out of whack then you know the problem
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"the things you own will start to own you"
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9360SAN
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Joined: August-31-2006 Location: Hong Kong Status: Offline Points: 23 |
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Posted: August-31-2006 at 2:27am |
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What model your boat? V-drive /direct drive?
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Go on wakeboard
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boat dr
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Joined: June-27-2004 Location: United States Status: Offline Points: 4245 |
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Posted: September-03-2006 at 11:05pm |
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eric i have a noise coming from deep down inside my C/C,dont know what to make of it .it is like some womens voice,you know sweet and low,you being the tranny guru,what does this mean????my take and see if you agree with me on this,it sounds like,I NEED MORE OF YOUR MONEY. is this just my imagination or is this bitch gonna get what little money that my ex did not???? thank you Dear Abby, oh i mean Eric. Signed Broke Boat Doctor
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eric lavine
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Joined: August-13-2006 Location: United States Status: Offline Points: 13413 |
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Posted: September-04-2006 at 10:25am |
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the best fix for this one is a set of earplugs, you know it will eventually cost you something
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"the things you own will start to own you"
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The Dude
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Joined: October-19-2004 Location: Houston Status: Offline Points: 1334 |
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Posted: September-04-2006 at 8:26pm |
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tony, what do you think?
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Mullet Free since 93
95 Sport |
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