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motor overheating

3127 Views 32 Replies 9 Participants Last post by  newbie
2
new boat has an 89' merc 470, with a FWC system. while running today, engine overheated since i wasent paying attention to my guages
boat overheated pretty **** bad, smoking to holy **** and spewing anti0freeze to the bilge. if you were in jones this morning, i was the idiot with the smoke pouring from my engine, and doing the tow-of-shame back home.

ive ran the boat 4x prior to this, and quite hard in thursdays weather with no issue. only difference is today, since i left on dead low tide, i only have about 3.3ft in my canal, and i got a bit too close to the edge and was kicking up some nasty black muck. (had no choice, was a bulk-head barge parked in canal)

im assuming i have some sort of restriction of water flow somewhere now? but where do i start looking, and could me kicking up muck have caused it?? i would think so since i had no issues prior to this running the engine in water, or out with ears.
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hey, i dont go through alot of boats. this is only the second one to make it to the water, 1st one still puts around
my issues are always rather stupid too, usually stemming form lack of knowledge/experience. happened to the best of ya at one point. good thing i have extremely helpful people like you on nor'east......

is it possible either just fried the thermostat, or impeller? the engine starts and runs normal again, just as i said, the temp climbs slowly, and i shut her down again at 200, which is a bit over normal for the boat. so its got to be taking in some sea-water for heat exchange, right?

it dident spew all the anti-freeze out, as i still have 3/4 of my reserve left. it had come out of the pressure cap as best as i could tell. hoping it may be something minor, and i can chalk it up a lesson.

i can assure ill be investing $$ into an engine alarm just incase it starts to overheat again, as its hard to remember to check guages in the heat of chasing birds down
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ok, problem is, what am i looking for??

almost 500 posts later, ya should remember me as being mechanically illiterate by now mike
i try and learn to fix my boat through posts on nor'east
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now just need to figure out how to short haul the boat to go through everything and print up the pages of posts from here


i checked the oil, and anti-freeze in the engine, and everything looked normal THANK GOD. so hopefully thats a good sign?
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no **** money to have the boat short hauled to check everything out, and no one i know has a trailer to haul for a few hours. so we're sitting dead in the water wasting my $1600 dock fee and not catching fish


oceanchaser....ive fished on an aquasport before?? dont remember ever fishing on one......stripers, blackfins, bayliners, grady, trophy, cruisers, angler, wellcraft and formula are about all the models ive fished on
i surely cant be that burnt to not remember a boat:confused: i manage to remember all those
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all this because they have a barge docked in the canal, taking up 75% of it.

there should be a law about parking a **** 15' wide barge, in a 25' wide canal. i literally had 2 feet on both sides and i only got an 8' beam, and thank god there were no pilings, especially old and submerged, up that part of the canal
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OceanChaser wrote:
newbie wrote:
no **** money to have the boat short hauled to check everything out, and no one i know has a trailer to haul for a few hours. so we're sitting dead in the water wasting my $1600 dock fee and not catching fish


oceanchaser....ive fished on an aquasport before?? dont remember ever fishing on one......stripers, blackfins, bayliners, grady, trophy, cruisers, angler, wellcraft and formula are about all the models ive fished on
i surely cant be that burnt to not remember a boat:confused: i manage to remember all those


Burnt is OK. I think we may have even smoked a few J's:)

Come on...offshore in a 24 ft aquasport heading into tight 4 to 5's
:)
Seriously though...we fished last year in 1 to 2's and caught Blue sharks all day long.
Must admit...4to5's is a bit much.
I used to log on as a diffenrent username.

gotcha now. thought that was a striper, but ok lol.

job just gave me a raise, so hopefully i can get boat pulled within 2 weeks. 2 more **** weeks, no boat
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Cmonsters wrote:
Newbie, You don't need to short haul the boat to do most of the stuff we are talking about. Only if the tests point to a pump (in the drive) would you have to haul it... but you won't know till you check the other stuff. The clogged riser is a very good possibility... pull off that hose that feeds raw water from the heat exchanger up to the exhaust riser and start her up for just a second or two...should shoot water out of the hose pretty good! if it does youre looking at a clogged riser which you dont need to haul the boat for.... comon fishin"s been great youre missing out!

i was under the impression she needs to be out of the water for me to do this. once again, shows just how much i know about boats. thank god i can almost fish atleast
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nope, boats still sitting idle. went down with the intention of following some of the posts, but just got too intimidated by what i was doing, got frustrated and left without much progress to be completely honest.

i get frustrated way too easily when i dont know what im doing, and trying to follow written directions isnt one of my strong points. :rolleyes:

so at this rate ill be paying to have her gone through so i dont waste anymore of my $1600 docking fee not out there fishing
Cmonsters wrote:
I hear ya Newbie. I was pretty much the same way as you UNTIL I owned a boat and paid for my first few repairs via mechanic ($$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$). What happened next was, I said to myself...hey at least TRY to fix it, and if I can't, then I'll spend the $$ on the mechanic. Bought my boat back in 95, made my first self repair in 98, and have fixed everything myself since (except replacing the rotted oil pan- I wasnt up to lifing the engine out lol).

One thing I learned that is a GREAT help, is having a second person with you, even if its someone who knows absolutely NOTHING about anythin! I found that like you, when I went down to do repairs alone, I would think, and stare and procrastinate for hours! When I had someone there, I would say..."ok, this is the problem, I'm going to try this, and do this" and then do it. It's amazing what just having someone to TALK to can do for you, even if they don't know anything!

Newbie, if you're upper middle class and have a decent size pot to pee in, get someone to fix your boat, and get out and enjoy it. If like me your pot is more like a coffee can, print out this thread, drag SOMEONE down with you, and do SOMETHING- because youre missing out on something you love. Your overheating problem is really not a complicated one AT ALL. You just need to set your mind to getting it done.

so much easier said than done. the time ive spent just replying to posts on nor'east i could have spent finding what the probem is im sure
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after HOW MANY months of sitting idle, ive re-read all the posts, taken notes, and im armed and ready to go. going to check all my connections, change my thermostat, and do an oil change.

whats the worst thats going to happen?? im going to break an already broken boat??

heres to having a good report to post back tonight
:)
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for some off reason, i get the feeling GREEN ENGINE OIL is more than likely not a good thing
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ok, wasent the thermometer, as when i got home and boiled it, it popped.

i have no luck with boats, i swear. the anti-freeze in my oil now is far from giving me any warm fuzzy feelings
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6to8ftSeas wrote:
newbie wrote:
after HOW MANY months of sitting idle, ive re-read all the posts, taken notes, and im armed and ready to go. going to check all my connections, change my thermostat, and do an oil change.

whats the worst thats going to happen?? im going to break an already broken boat??

heres to having a good report to post back tonight
:)

3 months and no progress
We should hang out


We can get together, grab some beers, and talk about all the things we're going to do to our boats


Seriously, I should be out there right now :rolleyes:

ah, had some personal issues. you know, the type that involve that **** hole us guys cant seem to get rid of
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