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Banging, clunking and thumping. Driveline problem 496/Bravo

Old 12-06-2017, 07:47 AM
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Originally Posted by Knot 4 Me
If the front of the engine has dropped down due to the front mount lower nuts backing off it will pinch the input shaft in the coupler and can be all but impossible to remove the drive. Have had that happen to me on a previous boat. Drive would not come off until I lifted the front of the engine back up. It doesn't take much movement either to pinch the drive in place.
understood, but the pinch point is the gimbal bearing, add clearance there when the bb's come out and no pinch point.
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Old 12-06-2017, 09:42 AM
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Originally Posted by Wobble
understood, but the pinch point is the gimbal bearing, add clearance there when the bb's come out and no pinch point.
True. Typed before thinking..
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Old 12-07-2017, 02:47 AM
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Service report has come back, uni-joint, coupler and alignment all ok but will check the last two again before refitting the drive. Quote for bellows and gimbal bearing sounds very cheap, about 420 USD. I'll check they are using OEM parts, they always have in the past. (To convert to USD, divide by 32)

RR
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Old 12-15-2017, 02:25 AM
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All fixed today.
Damn hot so it's hard work 'on-site', no luxuries like a stand or trolley for the drive so I stocked the ice box with water and M150 (like Red Bull but better).
Tools looked pretty crude, simple input shaft (or similar) checked alignment, spot on. While they were there I had them change the impeller too. Difficult job with poor access to remove the pump. I suspect it's never been touched in 10 years and the old one (pictured) didn't look any different to the new one. Preventative maintenance is a good thing but this time, it was a waste of money. Bought some peace of mind but I'd happily trade peace of mind for a few drinks with a pole dancer at my local! [insert glassdave's avatar]
OEM parts used for everything.

Water test went perfectly, the guys enjoyed it, don't see many sports boats here.
Than you OSO.

RR
Attached Thumbnails Banging, clunking and thumping. Driveline problem 496/Bravo-img_8190.jpg   Banging, clunking and thumping. Driveline problem 496/Bravo-img_8184.jpg   Banging, clunking and thumping. Driveline problem 496/Bravo-img_8183.jpg  

Banging, clunking and thumping. Driveline problem 496/Bravo-img_8186.jpg  

Last edited by rak rua; 12-15-2017 at 02:31 AM.
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Old 12-15-2017, 06:57 AM
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Some marinas in the US have probably charged your invoice amount for the same work without dividing by 32. Looks good. I don't envy those guys horsing that drive on and off with no drive cart. Been there/done that in a marina parking lot once for an emergency shift cable repair and it sucks.
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Old 12-15-2017, 07:46 AM
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Originally Posted by rak rua
All fixed today.
Damn hot so it's hard work 'on-site', no luxuries like a stand or trolley for the drive so I stocked the ice box with water and M150 (like Red Bull but better).
Tools looked pretty crude, simple input shaft (or similar) checked alignment, spot on. While they were there I had them change the impeller too. Difficult job with poor access to remove the pump. I suspect it's never been touched in 10 years and the old one (pictured) didn't look any different to the new one. Preventative maintenance is a good thing but this time, it was a waste of money. Bought some peace of mind but I'd happily trade peace of mind for a few drinks with a pole dancer at my local! [insert glassdave's avatar]
OEM parts used for everything.

Water test went perfectly, the guys enjoyed it, don't see many sports boats here.
Than you OSO.

RR
Those are some Texas sized ice cubes
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Old 12-15-2017, 07:56 AM
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Glad you got her back up and running. Enjoy.
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Old 12-15-2017, 07:58 AM
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Originally Posted by Wobble
Those are some Texas sized ice cubes
Any smaller and they melt too quickly here........
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Old 12-15-2017, 08:32 AM
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Originally Posted by rak rua

Service report has come back, uni-joint, coupler and alignment all ok but will check the last two again before refitting the drive. Quote for bellows and gimbal bearing sounds very cheap, about 420 USD. I'll check they are using OEM parts, they always have in the past. (To convert to USD, divide by 32)

RR
Incredible. Most places probably charge that $420 for shift cable bellows now.
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Old 12-15-2017, 08:42 AM
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Originally Posted by SB
Incredible. Most places probably charge that $420 for shift cable bellows now.
I find the service charge (labor) the amazing part......
2 guys have driven to the marina 3 times and including all their travel time (around 2 hours) I get charged 5,000 baht, or about 150USD.

Last edited by rak rua; 12-15-2017 at 10:24 PM.
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