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My 34DA had and overheat alarm go off on the port. What’s confusing is the Smartcraft shows temps normal 155-160. What I found is the port riser on that engine is really hot compared to the other 3. Obviously it’s a water issue but can’t figure out why? New manifolds 2 years ago but not the...

DA 34 8.1 with the starboard throttle all the way off it will idle fine around 700 RPM but as soon as it is slightly increased it jumps to 1000-1100 RPM’s. There is no adjusting no matter how slightly it is increased. I tried manually moving the linkage near the intake and it does the same...

2008 34 Sundancer”s starboard shaft seal is leaking. On a recent trip I heard a strange whining sound. Back at the dock noticed bilge was pumping water out. Very unusual. Open up the hatch and sure enough it’s leaking pretty good. It’s smelt like burnt rubber. Very hard to get to but can see...

Hi all, Has anyone ever had a main battery switch go bad? The LED on the starboard switch one longer lights up. The engine starts but the problem is the hatch lift is wired to this switch and now it won’t open unless shore power is plugged in. Wondering if it could be a faulty switch or...

Hi All, 2008 34 Sundancer. Master switch on the stud. side does not light up? Engine starts and all else seems to be working. The problem is the engine hatch will not open. If I’m plugging into the land power the hatch opens. Not sure what to look for first. Not to comfortable being out and not...

My troubled child starboard engine raw water pump failed again with only about 25 hrs. on it. This is a refurbished pump. Prior I installed another pump from same vendor and the engine ran about 10 degrees hotter then the port. I wasn’t comfortable with that so they sent me a replacement which...

Hi All, On my 08 34 Sundancer the wooden instrument cover bezels are bubbling/pealing. Want to remove them, strip the old material and refinish. There are mounting screws but when removed the bezel is still stuck tight? Don’t want to break them. I’m thinking there is some type of clip underneath...

Hi All, Took out 496 08 Sundancer for a harbor cruise and after a very short while noticed the strong smell of gas. Opened the engine hatch to inspect and could smell fuel but did not see any broken lines so limped back to the dock. Engine ran fine. While dock noticed a thin layer of gas on the...

I have the Smart Craft Vessel View installed on a 2008 340 Sundancer. Both speed/paddle wheel, water temp, and depth transducers have stopped working. I cannot find the specific model number for the Smart Craft component? The parts distributer has the transducers but asked for a model # of the...

340 Sundancer keeps getting about 2 inches of water in bilge. Can’t find the source? At dock, I’ve cleaned and dry the bilge and it will sit for days and stay dry. I’ve run the engines to see if there is raw water leaking somewhere and nothing. As soon as it’s run out on the water when I return...

Hello All, One of my transmissions (model ZF 63 IV 2.0) oil cooler is leaking and needs replacing. The problem is part #862837T looks identical but it’s missing the adapter fixture for a sensor. It may have something to do with Guardian or Smartcraft. All the diagrams and pics found online show...

Need to replace the heat exchanger on the strb. engine. It leaks around the end cap that pressed into the tube chamber. It’s not the rubber gasket or O ring. Thought of taking it to a radiator shop but not sure they can do the repair. On line found an aftermarket one (mr. cool) for half the...

Recently had to replace the raw water pump on my 2008 34 sundancer. Found an on line company that advertised new OEM pumps as well as rebuilt. Already went through a headache with another replacement so decided to go brand new. My understanding is there is not a stainless back plate behind the...

just did all new manifolds on my 2008 sundancer 8.1H. While at it saw the raw water pump on the port side was leaking so after researching and reading some threads here decided to replace with the Hardin Gen7 stainless pump. Visually comparing the water flow from both engines it seems there’s...

2008 Mercruiser 8.1l misfire/knocking. Seems to get worst as engine heats up. It’s coming from the port side of the starboard engine. If I hold my hand on the exhaust I can feel it. Last time out didn’t notice any loss of power but didn’t go over 3K rpm. I only heard it after changing oil and...

Hello all, I’m getting ready to change the fluids on my ZF63 IV transmissions. I use Quicksilver syn. in the engines but not sure what what be best for the trans. I know Dextron seems to be what is required but any name brands considered better then others. There are price differences so I...

hello all, My 2008 sundancer starboard starting misfiring badly. Won’t go over 2500 rpm. I thought it might be bad fuel but port runs fine and this is the second time it happened. First time I ran some injector cleaner though the tank and it cleared up the problem. Always try the simplest thing...

Hello All, My 2008 Sundancer 34 with 8.1L's speedo quit on me. The "steam gauge" speedometer and the Vessel View both started to fluctuate wildly then just quit. In searching threads on this I'm finding mention of three diferent types. Pitot, paddle and sensor types. I don't think it has a pitot...

Hi All, 2008 340DA generator starts, runs for a few seconds then shuts down. LOC code shows on display. Researching here tells me it's the impeller. I just wondering. I had the bottom cleaned on my regular service. The intake strainer looks clean and the gen has about 120 hrs. on it. It seems...

My 2008 340 Sundancer's trim quite. Several months ago the same thing happened and I found the hydraulic reservoir was low so refilled. They worked for awhile but now stopped again and found the reservoir low. There is no fluid leakage in the bilge. Could it be leaking from the hydraulic ram...