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Merc 150 Opti-Max
#10762370
04/12/15 11:26 PM
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Joined: Feb 2014
Posts: 115
Buz
OP
Outdoorsman
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OP
Outdoorsman
Joined: Feb 2014
Posts: 115 |
Got to the ramp last night, loaded the boat and noticed what appeared to be hydraulic oil on the back of the transom underneath the engine. At first I thought maybe it was the Teleflex / Seastar power steering cylinder leaking. I've had them go bad before on other boats.
I had the ability to examine everything in the "Light Of Day". The steering unit is smooth, couldn't find any leaks, although I did notice that above about 30 MPH, the steering was very stiff yesterday. There isn't any slop / dead play in the steering, setting on the trailer it appears to be "Like New".
Removed the engine cowling and did a fairly detail inspection on the engine and didn't find anything obvious that could have created the problem.
Guys, need your collective "Wisdom" and idea on what to look at next.
OBW, during my fishing outing yesterday the engine ran great, no indications on that there is a problem with the engine, temp, water pressure, etc.
Any help would be very much appreciated.
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Re: Merc 150 Opti-Max
[Re: Buz]
#10762390
04/12/15 11:33 PM
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Joined: Jan 2015
Posts: 2,210
RangerBass21
Extreme Angler
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Extreme Angler
Joined: Jan 2015
Posts: 2,210 |
Flux capacitor is leaking, needs to be replaced.
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Re: Merc 150 Opti-Max
[Re: Buz]
#10762483
04/13/15 12:19 AM
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Joined: Jan 2005
Posts: 16,992
Pat Goff
TFF Guru
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TFF Guru
Joined: Jan 2005
Posts: 16,992 |
Pat Goff Seadrift TX
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Re: Merc 150 Opti-Max
[Re: Buz]
#10762560
04/13/15 01:01 AM
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Joined: Feb 2014
Posts: 115
Buz
OP
Outdoorsman
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OP
Outdoorsman
Joined: Feb 2014
Posts: 115 |
The color of the residual on the transom appear to be almost clear to a slight "Yellowish" liquid. Agian, my first instinct was to blame the hydraulic steering unit, but again, it appears to be "Like New"
I'm lost, this should be simply, but I haven't decoded this as of yet....
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Re: Merc 150 Opti-Max
[Re: Buz]
#10762567
04/13/15 01:03 AM
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Joined: Feb 2014
Posts: 115
Buz
OP
Outdoorsman
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OP
Outdoorsman
Joined: Feb 2014
Posts: 115 |
Curious, what is a flux capacitor, and where is located on the engine? It would need to hold a large quantity of liquid to leave the footprint I found on my transom....
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Re: Merc 150 Opti-Max
[Re: Buz]
#10762697
04/13/15 01:59 AM
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Joined: May 2003
Posts: 11,586
gary purdy
TFF Guru
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TFF Guru
Joined: May 2003
Posts: 11,586 |
Only if your boat is a Delorean going back to the future.
The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD
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Re: Merc 150 Opti-Max
[Re: Buz]
#10763057
04/13/15 10:25 AM
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Joined: Feb 2014
Posts: 115
Buz
OP
Outdoorsman
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OP
Outdoorsman
Joined: Feb 2014
Posts: 115 |
Appears I can remove the "Flux Capacitor" as an item on my trouble shooting list.....actually enjoyed the humor
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Re: Merc 150 Opti-Max
[Re: Buz]
#10763167
04/13/15 12:41 PM
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Joined: Jan 2015
Posts: 2,210
RangerBass21
Extreme Angler
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Extreme Angler
Joined: Jan 2015
Posts: 2,210 |
Appears I can remove the "Flux Capacitor" as an item on my trouble shooting list.....actually enjoyed the humor I've actually said that before to some ripoff idiot mechanic, he told me he couldn't find the problem, I've looked over and over and can't seem to figure it out, I said wellll did you check the flux capacitor that'd be my first guess, he looked at me weird and said I checked it, seems to be fine and operating normal......yeah I think it's time to go somewhere else
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Re: Merc 150 Opti-Max
[Re: Buz]
#10763889
04/13/15 03:54 PM
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Joined: Apr 2011
Posts: 1,526
DFW-fisherman
Extreme Angler
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Extreme Angler
Joined: Apr 2011
Posts: 1,526 |
Funny guy; welcome back Ranger21 to the posting world.
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Re: Merc 150 Opti-Max
[Re: Buz]
#10765307
04/13/15 10:36 PM
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Joined: Feb 2014
Posts: 115
Buz
OP
Outdoorsman
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OP
Outdoorsman
Joined: Feb 2014
Posts: 115 |
So as a TAMU alumn, I enjoy and participate in humor, given it's in good taste and pointed toward TAMU.......Now back to my issue....I'm still thinking this is a problem with the hydraulic steering unit. As I understand there isn't anything else below the power head , other than the steering "Assist Unit" that would cause this problem.
Ok, you engine "Techs", need to jump in on this blog and, think "Out Loud" in text about any thoughts you can provide on the problem and possible recommendations.....
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Re: Merc 150 Opti-Max
[Re: Buz]
#10765355
04/13/15 10:59 PM
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Joined: Oct 2005
Posts: 20,755
kingdad101
TFF Guru
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TFF Guru
Joined: Oct 2005
Posts: 20,755 |
only other thing I can think of lower that the power head is the tilt and trim..unless you have a hydraulic jackplate
I guess when you looked, there was no oil in the pan on the motor..so times the carbs spill/leak, left over/unburned gas/oil
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Re: Merc 150 Opti-Max
[Re: Buz]
#10770182
04/15/15 06:51 PM
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Joined: Feb 2014
Posts: 115
Buz
OP
Outdoorsman
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OP
Outdoorsman
Joined: Feb 2014
Posts: 115 |
kingdad 101, Tks for your response. Yes, I did a inspection of both the powerhead and the pan below the powerhead when I had the engine bonnet off, and their was nothing leaking from the engine as I ran it on the water hose at the house.
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Re: Merc 150 Opti-Max
[Re: Buz]
#10770593
04/15/15 09:56 PM
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Joined: Oct 2005
Posts: 20,755
kingdad101
TFF Guru
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TFF Guru
Joined: Oct 2005
Posts: 20,755 |
well... .....did you check the fluid level in the steering helm..seems like it has to be the steering fluid you are seeing.. the steering was very stiff yesterday if this is not it, I give...
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Re: Merc 150 Opti-Max
[Re: Buz]
#10774353
04/17/15 12:48 PM
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Joined: Feb 2014
Posts: 115
Buz
OP
Outdoorsman
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OP
Outdoorsman
Joined: Feb 2014
Posts: 115 |
Good inputs from one and all....
Finally gave up and carried it back to the lake. At speeds under ~~ 20mph the steering worked great, get above ~~20 mph where the pressure exerted around the lower unit starts to build and loads the steering cylinder, and it began to leak hydraulic fluid.
Ordered a cylinder rebuild kit, this should solve the problem......
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