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Post by dknebes on Oct 11, 2013 16:24:44 GMT
After searching online and this board it seems like this is a common problem. My wife and I have had this boat 4 1/2 months now and have added 6kw Northern lights, 3000 watt inverter/charger, 6 group 31 AGMS, 65lb Mantus anchor, new Racor filter system, battery monitoring and then water in the bilge comes along. Interesting that a stainless muffler starts to rust then starts leaking. Jeanneau obviously has a design flaw and I would imagine more and more people will develop this problem. I have to guess it is a high carbon stainless that is rusting. I have the fuel tank drained for removal today and had great difficulty removing the flange/3" pipe before sliding the muffler out. I called the Jeanneau parts guy 2 days ago to find out the cost of a new one but nothing yet. I am a bit concerned about this failing 10 years down the road if we still have the boat, so I am first going to see what it would cost to fabricate a new one out of a better grade of stainless. What have some of the others done on this problem? I saw one member putting in a Volvo muffler but am concerned about the height and distance from the engine and the possibility of getting water running back into the engine, I also thought of getting one made out of fiberglass but am not sure how they would put threads on the tank so you could screw in the flange after it was slid under the engine beds. I will advise as this project proceeds . I have to say my wife and I love this boat and just have to sort out these few issues. Dave & Monica Exit Strategy Update, I have the muffler out and it was not for the faint of heart, a very difficult job. The muffler is rusted all the way through on the end and i easily poked my screw driver through, the rest is actually very clean except for another weld that I found leaking after I filled with water. I would advise anyone else with this type of muffler to check the end visible in the front of the engine bed, if it has rust it is ready to fail. Jeanneau just said its out of warranty but this is a bad design and a defective part that they should cover in my opinion. Attachment Deleted
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Post by dknebes on Oct 12, 2013 14:32:22 GMT
Ok so here is the response from Jeanneau:
Good morning David,
.
Delivery is air freight normally less than five dThe part is available and is in stock in France, the part is $1612.50 plus shipping and sales tax.
Part number is
975085 water muffler S S 18L SO43Days from order.
Ok so my question that I asked was, is this the same muffler or an upgraded version? I feel Jeanneau should be responsible in some way for this obvious defective part, I also said I saw some one on this board was quoted $350 a year ago. I will probably try and fit a fiberglass unit under the Aft bunks like Julian did with his SO43DS.
Dave
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Post by MalcolmP on Oct 13, 2013 17:45:27 GMT
Dave
That price sounds daft, have you any photos of the whole installation and unit? I am sure Sailbleu may have some suggestions about how it may be locally fabricated
I wonder why on the 43DS there was a stainless muffler ? on many Jeanneau's they seem to use the standard Vetus plastic unit, which seem well proven
The 43Ds has a really loyal following, I sure you will get sorted soon and then you can start enjoying her
Malcolm
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Post by dknebes on Oct 13, 2013 19:32:10 GMT
Thanks for the response Malcolm, I will try locally we have some good fabricators. I am also looking into a centek inline water muffler placed under the aft bunk, my only concern is the water left in the exhaust hose from the muffler to the engine about 4 ft down hill but about 18 inches from the 90 deg to the turbo. Jeanneau is saying because the boat we purchased had low engine hours 400hrs it may have sat for extended periods and not fully warmed up when it ran possibly causing the corrosion. Jeanneau now uses fiberglass. I am open to all suggestions. Thanks, Dave
Attachment Deleted Attachment Deleted
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Post by dknebes on Oct 13, 2013 20:48:17 GMT
Ok, did some research and think the Vetus NPLH75 water lock muffler should work, it hold 10 liters of water and can be bought from defender for $197.00. I would still like some feedback on how much water will feedback from the muffler to the engine aprox 4 ft, I was told that there is 25% water mixed with exhaust. Attachment DeletedDave
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Post by rxc on Oct 17, 2013 13:30:52 GMT
I am curious about which engine you have and the location of the muffler. On my 43DS, with the 75HP yanmar, the muffler is in the aft port corner of the engine compartment. I don't have to remove the fuel tank (up forward in the middle of the boat) to get to it, but it will be "interesting" when the time comes.
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Post by dknebes on Oct 17, 2013 21:11:01 GMT
Yep, that's it and I have the 75hp Yanmar. Take a look from the front side and see if it has any rust on it, if I does like mine it is only a matter of time. I found a local fabricator in St. Petersburg fl that said mine was beyond repair and will make a new one for $1200.00 not inexpensive but better than Jeanneau at $1600 plus freight and tax. I have asked to make it out of a better grade of stainless and improve on the design if possible.
I had to remove the fuel tank to remove the muffler, I could not do it any other way because the muffler is so long it will not make the bend to lift it out, if you have a SO43DS the tank the two floor boards that run the length of the main cabin have to be removed.
Dave
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Post by electricmonk on Oct 18, 2013 12:18:01 GMT
I am curious about which engine you have and the location of the muffler. On my 43DS, with the 75HP yanmar, the muffler is in the aft port corner of the engine compartment. I don't have to remove the fuel tank (up forward in the middle of the boat) to get to it, but it will be "interesting" when the time comes. The water lock is there to protect the engine from being swamped by the water in the exhaust pipe from the water lock to the skin fitting. So you need to know the volume of that piece of pipe. The down pipe from the engine to the water lock is no so critical but it should be as short as possible and aligned forward to aft if at all possible. Now for some strange units of capacity you can only get on a boat!!! The volume of 3" exhaust pipe is approximately 1.35 Litres per foot (305mm) so as long as the pipe is not much longer then 8ft from the muffler to the goose neck the vetus solution (10 litres) could be a good one for you the boat and your pocket. Some DS43 owners have fitted a water lock around the P bracket area because of the difficulty in removing the original.
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Post by rxc on Oct 18, 2013 12:31:13 GMT
Hmmm... I am definitely going to have to have a closer look at my muffler, because it seems to me to be relatively small, and probably plastic, not SS. Is that long thing in your photo embedded in the engine mount stringer?
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Post by electricmonk on Oct 18, 2013 12:51:33 GMT
I am curious about which engine you have and the location of the muffler. On my 43DS, with the 75HP yanmar, the muffler is in the aft port corner of the engine compartment. I don't have to remove the fuel tank (up forward in the middle of the boat) to get to it, but it will be "interesting" when the time comes. see here viewer.zmags.com/publication/d43ec278#/d43ec278/72for a formulae - I think its a bit wrong , by my reckoning the NPLH75 is good for 4 metres of exhaust hose so is a good substitute. note: the reply with quote function seems to be random as to which post is quoted.
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Post by Amun Ra on Oct 18, 2013 17:11:32 GMT
Hi Dave,
Welcome to 43DS ownership. We've been delighted with ours.
We had 5 weeks cruising Cornwall and Brittany this year, brilliant boat.
As you know, I replaced my stainless Jeanneau 'muffler' with a Volvo unit under the stern berth. I did it with our local Yanmar agent, so was happy that it became an 'authorised' mod. So far it has given faultless service and I have been really pleased. I can't remember the exact cost of the unit but it wasn't much. It was by far the cheapest of all the options!
I also left my 'muffler' in situ, as I really didn't fancy emptying and removing the fuel tank. For anyone contemplating the job, i simply slid the 'muffler' forwards far enough to allow me to route a down pipe through the 90 degree bend where it had been, then on back under the floor to the new water lock beside the P bracket.
Good luck with it all!
Very best wishes
Julian
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Post by MalcolmP on Oct 18, 2013 17:24:39 GMT
... As you know, I replaced my stainless Jeanneau 'muffler' with a Volvo unit under the stern berth. I did it with our local Yanmar agent, so was happy that it became an 'authorised' mod. So far it has given faultless service and I have been really pleased. I can't remember the exact cost of the unit but it wasn't much. It was by far the cheapest of all the options! I also left my 'muffler' in situ, as I really didn't fancy emptying and removing the fuel tank. For anyone contemplating the job, i simply slid the 'muffler' forwards far enough to allow me to route a down pipe through the 90 degree bend where it had been, then on back under the floor to the new water lock beside the P bracket. ... Might you have (or able to take some) photos of the new set up? This sounds like it would be useful for a Hints and Tips feature many thanks Malcolm
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Post by dknebes on Oct 18, 2013 17:44:46 GMT
Hmmm... I am definitely going to have to have a closer look at my muffler, because it seems to me to be relatively small, and probably plastic, not SS. Is that long thing in your photo embedded in the engine mount stringer? Yes that is the water muffler. Dave
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Post by Amun Ra on Oct 18, 2013 19:01:02 GMT
Thanks Malcolm, I have and will dig them out.
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Post by dknebes on Oct 19, 2013 0:08:33 GMT
Thanks Julian, we really love this boat just working out the bugs. I may go another route with muffler under aft bunk if the new one from the local fabricator fails. I gather you have had no problems with your new set up.
Dave
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Post by Amun Ra on Oct 19, 2013 18:13:56 GMT
Hi Dave,
You are correct - we have had no problems at all with our set up and it is now nearly 2 years on, and at least 200hrs of use later.
It does take a while to work the bugs out on 'new to you' ownership, but certainly worth it once you are there! The best thing about this forum is that there is bound to be someone who can help - and will.
Best wishes
Julian
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Post by dknebes on Nov 2, 2013 14:45:02 GMT
New muffler in and no leaks, nice to have a dry bilge again. The fabricator made it out of a heavier gauge and said he had 12 hrs of welding. He also improved on the design while he was at it. They pressure tested the muffler for leaks and the quality of the welds were topnotch. I said I may have more work for him as others have failures and he said not at $1282.00 including tax.
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Camira
Junior Member
Posts: 18
Jeanneau Model: Sun Odyssey 42DS
Yacht Name: Camira
Home Port: St Helier
Country: Jersey, Channel Islands
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Post by Camira on Dec 28, 2015 9:53:35 GMT
I have a 42DS and this muffler in the the engine mount looks to have been taken forward onto this model too. Has anyone done the same replacement on the 42DS? If so did the part come from Jeanneau or does someone else supply it? Any pictures? Phil James
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Post by Tafika II on Dec 28, 2015 17:10:12 GMT
to Phil James - Spellbound - I replaced the wet muffler after it developed a crack, with a Jeanneau replacement part 990515 (US$157.26 + Freight). Please be sure to include that the “O” ring is to be supplied. To replace it you must remove the companionway stairs, the lower companionway stairs lower board, the front cover on the port side where the muffler is and disconnect the aft end fort the muffler to the exhaust hose. If the clamps are rusty, you should replacement with new ones. The works is a simple mechanical process and took about 3 hours total.
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Camira
Junior Member
Posts: 18
Jeanneau Model: Sun Odyssey 42DS
Yacht Name: Camira
Home Port: St Helier
Country: Jersey, Channel Islands
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Post by Camira on Dec 29, 2015 8:14:03 GMT
42DS Replacement Muffler
Thanks Brent that's very useful information especially having the the part number. I will nip down today and see if I can get the unit out. Many thanks. Phil
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Post by sailingsouth on Jan 28, 2016 14:32:54 GMT
Well, our 43DS has developed a water leak somewhere around the muffler/water lock....... Was wondering if anyone has any updated information on what others have done to repair or replace or redesign the system.
Thanks Scott
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Post by zofiasailing on Feb 5, 2016 21:37:48 GMT
Hi Spellbound We too had a leak in the water muffler (42 SO DS). It wasn't the manifold. And we show no sign of degradation after 2,500 hours. It was the plastic elbow exhaust. The part is neither a Jeannueau nor Yanmar part and therefore seams absent from documentation for both the boat and engine. It's a part that is commonly used on many vessels, and from Malcolm's earlier post the brand name is Vetus. The problem was a cracked gasket. We had a couple of attempts at getting a replacement cut for us. Now that we have the right thickness, the leak is fixed. Obviously the leaking only happened when the motor was running. All these elements are in a terrifically difficult location from a maintenance perspective as they appear to have been fitted ahead of engine supports and engine being lifted in. Hope you've had success and have a dry bilge once more.
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Post by pdarcy0 on Sept 14, 2018 16:23:18 GMT
Hi, I appreciate that I you did this job in 2013 but now my time has come as the muffler is leaking now. Can you tell me how you removed the flange/3” pipe going vertically from the muffler. Can imagine it is going to be difficult. Thank you for your post. It has made things a lot clearer for me.
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Post by windward54 on Sept 15, 2018 4:26:23 GMT
We just had ours removed. The mechanic used a pipe wrench to take it out. The fitting is not tapered, so you will have to inch it all the way out. It distroyed the fitting, but we opted to have a muffler made out of fiberglass anyway, so I didn’t care. If you decide to buy the Jeanneau muffler, figure in the price of the fitting.
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Post by cayoloco on Sept 17, 2018 8:14:01 GMT
dknebes, I have an unrelated question about your posting but related to you DS43. You mentioned that you added an inverter and a 6kw genset. I have questions about your installation and the genset.
Where did you install the generator, what are you normally running off the generator, why northern lights and why 6kw? The normal consumption of AC on start up is around 3000kw. I figured I just needed a unit large enough to run the AC. I have been looking and have found smaller, lighter ones but could never pull the trigger because I wouldn't know what's the best size and where I should mount the unit. Your insight would be very helpful.
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