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Just put my 96 Super Sport in the water. Creeps up to 210 or so. I'm brand new to the scene, what should I look at? No bunbles in the strainer, belts look good, impeller was changed a couple years ago. Thoughts? Don't want to do any damage.
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Tried idling and a little throttle. Seemed to stay the same. -
Mike, pull the impeller and inspect. Some guys need to replace every year. It's the first place I'd look.
Sent from my iPhone using Tapatalk19 SANTE 210
08 SANTE 210 ZR6
08 SANTE 230 ZR6
04 Super Air 210 Team Edition Ex343- Loved that boat
96 Sport Nautique GT-40 - First Nautique
88 Baja Ski Sport- First boatComment
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^^^Agreed.Comment
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Fired it up again this morning and everything seemed ok. Temp got to about 200 but the gauge would jump back down to 180 and slowly creep to 195-200. Sticky thermostat maybe but my brother in law is a muscle car dude and said the temp was good. Hoses were not hot and the lake temp is still about 60. Thinks maybe a sensor is glitching. I'll call the local dealer and get the impeller changed anyway. Anything else you guys can think of?Comment
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Isn't normal operating temp supposed to be 160-170?Comment
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I think 180ish is normal. That's right in the middle. With the hoses not even really warm and the engine not hot at all I think it's something with the gauge or sensor. Who knows, I'll get it checked out.Comment
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180 is not normal. There should be either a 140 or 160 thermostat in there. Boats do not run at the same temp cars do, so I would not take advice from your muscle car brother in law. If it was me, I would be figuring out the problem, even if it is a sensor, before I risk damage to the engine.Comment
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If gauge is correct muscle car guy is correct for his cars, incorrect for your boat, 200 is too hot. Before you bring it in get a 5/16" nut driver and tighten all your hose clamps on the intake side of your raw water lines and remove & clean your strainer and make sure the gasket is there and in place. If impeller get's replaced & old one is still in decent shape keep it for a spare.Comment
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Sounds good. Which thermostat should I get? Didn't mean to offend anyone by saying "I know a guy", trust me, this is day one on the lake with a boat and I already have an issue, I was looking for anyone who knows about this stuff. I was just giving his opinion as he told it to me, I didn't take it as gospel, hence, I'm here. Of course, all the service shops here are booked until July so this gets better and better. I have the opportunity now to order what I need and really try to tackle it myself. It would really suck to not have the boat out for Memorial Day weekend. So, here is what I need to do from what I can gather:Originally posted by azeus17 View Post
1) change impeller. why not, should be pretty easy and never hurts (keep the spare as a backup)
2) change thermostat, for some reason this one is either not operating correctly or is the wrong temp, either way change to a 140/160 degree stat
3) check all hose clamps, clean strainer (I looked at it and it was clean as a whistle)
4) pray its nothing more than that
Is that accurate?Comment
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Thanks Quinner, see my post above and let me know what you think.Originally posted by Quinner View PostComment
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It is never a bad thing to know how to change your impeller, if you are willing to give it a try I would definitely take it apart and inspect, if the impeller is in rough shape you have likely found your issue. Before you remove the pump take a sharpie and mark TOP on the top side to ensure you re-assemble correctly, a couple pics before is also a good idea.
Do 1 and 3 on your list, be sure gasket is in strainer, and then test.Comment
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I would change the impeller and replace the thermostat, order both from Nautique Parts.Comment
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Wanted to give you guys an update on my temp issue. The dealer called me back last night and let me know the impeller was changed at the end of the season and the entire motor was went through top to bottom like they do with their boats they sell. Anyways, he was telling me some of the same things like there is no way I would be able to keep my hands on the exhaust manifolds if the temp was 200+ and the engine would continue to get hot and not stay constant. So, we started talking about the gauge issue and maybe some kind of wiring behind the dash pod since the boat was on a trailer for 6 hours back to my house after our water test. Some of the roads were pretty sketchy and I actually remember hitting a pretty large pothole on a back road in Ohio (dang you Ohio) that I couldn't avoid and it was really jarring. Anyway, went to the lake last night to check it out. When I got there, I turned the key on and pushed in the ignition button and the temp gauge was up off the bottom. Shouldn't it be completely pegged to the left if the motor is not even turned on? Then the gauge started jumping around up and down for some reason. Pulled the dash pod up and there was a small black wire (with some metal exposed) hooked into the ground wires on the gauge but couldn't see the other end it used to go into. Now, it's a thinnner wire, not the same gauge as the regular grounds but I taped it up, put the dash back down after looking around for a bit and now the gauge rests all the way to the left. Any thoughts on what that may have been hooked too? The dealer is fairly sure this is the issue and is sending me a new gauge because he knows the boat is sound and there is no way I have an impeller or stat issue.
What do you guys think?
The pic is below.
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