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#1
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thanks
The water starts out of the tube but then it turns to steam about the same time the engine buzzer goes off. I will check the thermostats today. Thanks again for the info. Now on top of everything else, the oil pump drive shaft appears to have busted the gear, because the motion sensor is buzzing all the time and the oil is not feeding from the upper resevoir. This motor is driving me nuts. Now I mix the oil in the tank. now back to work thanks again.
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#2
07-27-2010, 11:19 AM
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Sounds like your pump is ok, since the pisser is pissing... (god, where do we get these names from...lol)...Anyways, since you are getting water flow my bet would be that one of your thermostats isn't opening. Remove them from your engine, put the covers back on and then try running your engine again. (Don't worry, you won't do any damage to the engine for that short a run) If it runs cool and the water doesn't turn to steam you've found your problem. If you still get steam then it's a good bet that you have blocked passages or hoses. To narrow it down even further, you can check where the problem is by just putting your hand on the heads of the motor after it heats up. If one side is cool and the other is really hot then the side that is hot is the side with the blockage.
My bet would still be on the stats though until proven different.
__________________
1987 V20 w/1987 150HP Yamaha on a Shoreland'r Trailer 1978 16.5 Airslot w/1996 120HP Force on a Four Winns trailer 1996 V21 w/1993 200HP Mercury on a Shoreline Trailer All towed by a 5.7L Hemi Durango. If God didn't have a purpose for us we wouldn't be here, so Live simply, Love generously, Care deeply, Speak kindly. (Leave the rest to God)  Silence, in the face of evil, is itself evil. Not to speak is to speak, not to act is to act. God will not hold us guiltless.
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#3
07-27-2010, 03:16 PM
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If you have a harbor freight nearby, pick up a handheld laser thermometer. very useful for all kinda of jobs.
http://www.harborfreight.com/non-con...ter-96451.html
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#4
08-03-2010, 04:25 AM
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Thanks guys
I pulled both thermostats and the engine is running cooler, but its hard to tell now because its only running on the hose and muffs in the back yard. But the heads both ran cool the entire time it was running in the back yard. I am hoping that was the problem. Both stats were dirty and I ran the test you had mentioned and they both opened, but seemingly not very far. I am hoping thats the heating problem.
Now the trim problem. I ordered a used trim unit off ebay, basically to get the tilt piston. The tilt piston is leaking from the top packing. I wouldlike to get a complete rebuild kit for all three piston if I could. Does anyone know the best place to get "O" rings or packings for a 1989 Merc 150, 3 ram, side fill T&T unit???? Thanks again.
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