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 trouble after replacing water pump on Mercury
#9628419
01/08/14 01:27 AM
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Joined: May 2012
Posts: 241
fishanhunt
OP
Outdoorsman
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OP
Outdoorsman
Joined: May 2012
Posts: 241 |
I changed out my water pump on my Mercury 115 ELPTO today. After I put the lower unit back on, the prop will only turn clockwise and it feels like it something is hitting inside the lower unit. it will not turn at all counter clockwise. anyone know how I messed that up? 
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Re: trouble after replacing water pump on Mercury
[Re: fishanhunt]
#9628614
01/08/14 02:29 AM
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Joined: Jul 2011
Posts: 1,291
Capt. Andrew
Extreme Angler
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Extreme Angler
Joined: Jul 2011
Posts: 1,291 |
http://FishingCharterspi.com/Snook,Redfish,Shark, Red snapper, tarpon 2024 Shallow Sport 24 ModV Suzuki 300. Hewes tailfisher Yamaha 70 South Texas Boat Outfitters (owner) Pure Fishing Prostaff
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Re: trouble after replacing water pump on Mercury
[Re: Capt. Andrew]
#9628650
01/08/14 02:35 AM
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Joined: Dec 2006
Posts: 47,011
Mudshark
TFF Guru
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TFF Guru
Joined: Dec 2006
Posts: 47,011 |
I take it you are RIP the band aide off kind of guy.  But I agree, it's in gear.
Last edited by Mudshark; 01/08/14 02:36 AM.
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Re: trouble after replacing water pump on Mercury
[Re: fishanhunt]
#9629249
01/08/14 01:35 PM
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Joined: Dec 2003
Posts: 41,107
Allison1
TFF Guru
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TFF Guru
Joined: Dec 2003
Posts: 41,107 |
You need to take the lower unit loose. The splines on the shifter did not line up right.
You don't need to lower it all the way. Just until you can restab the shifter.
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Re: trouble after replacing water pump on Mercury
[Re: fishanhunt]
#9629476
01/08/14 03:09 PM
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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 |
Thats one of those Merc lowers that if you move the mainshaft while installing a water pump impeller it will jump into reverse. The shift dog is spring loaded toward reverse. Be care full and not force the shift shaft because if you try to turn it the wrong direction you can bend the shift shaft in the lower. Be careful not to bugger up the male splines. Lower the lower unit down about an inch & a half(supported by metal folding chair or other) enough to turn the shift shaft sticking up from the lower unit, while rotating the prop turn shift shaft untill you find neutral. When you find neutral you will feel it hold itself in place. Raise lower back into place and check with shifter. May take a few times to find the right place for the shift shaft.
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: trouble after replacing water pump on Mercury
[Re: gary purdy]
#9629639
01/08/14 04:06 PM
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Joined: May 2012
Posts: 241
fishanhunt
OP
Outdoorsman
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OP
Outdoorsman
Joined: May 2012
Posts: 241 |
Thats one of those Merc lowers that if you move the mainshaft while installing a water pump impeller it will jump into reverse. The shift dog is spring loaded toward reverse. Be care full and not force the shift shaft because if you try to turn it the wrong direction you can bend the shift shaft in the lower. Be careful not to bugger up the male splines. Lower the lower unit down about an inch & a half(supported by metal folding chair or other) enough to turn the shift shaft sticking up from the lower unit, while rotating the prop turn shift shaft untill you find neutral. When you find neutral you will feel it hold itself in place. Raise lower back into place and check with shifter. May take a few times to find the right place for the shift shaft. Thanks Gary. That was it. Made for an easy fix. Way more helpful than " You have it in gear " !!!!
Last edited by fishanhunt; 01/08/14 04:08 PM.
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Re: trouble after replacing water pump on Mercury
[Re: fishanhunt]
#9631906
01/09/14 04:50 AM
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Joined: Jan 2013
Posts: 59
Tnamarine
Outdoorsman
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Outdoorsman
Joined: Jan 2013
Posts: 59 |
I turn the shift shift clockwise which is forward gear and put the control box in forward to stab it up that way one you can use the prop to turn and spline it and it goes up in the right gear
Tna marine
10758 us hwy 80
Forney tx 75126
2145184679
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Re: trouble after replacing water pump on Mercury
[Re: fishanhunt]
#9632129
01/09/14 12:17 PM
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Joined: Jul 2011
Posts: 840
Carrot Stix
Pro Angler
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Pro Angler
Joined: Jul 2011
Posts: 840 |
From now on I will always put motor in neutral and lower unit in neutral ... Just turn the main shaft slightly if the splines don't line up ...
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Re: trouble after replacing water pump on Mercury
[Re: Carrot Stix]
#9632307
01/09/14 02:04 PM
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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 |
From now on I will always put motor in neutral and lower unit in neutral ... Just turn the main shaft slightly if the splines don't line up ... Thats not what causes the problem. When you turn the main shaft installing the water pump housing, it will jump all the way into reverse. V6 Mercs and Mariners are not spring loaded toward reverse. I made a tool to hold the shaft in place.
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: trouble after replacing water pump on Mercury
[Re: fishanhunt]
#9635743
01/10/14 05:27 PM
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Joined: Jul 2011
Posts: 1,291
Capt. Andrew
Extreme Angler
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Extreme Angler
Joined: Jul 2011
Posts: 1,291 |
Thats one of those Merc lowers that if you move the mainshaft while installing a water pump impeller it will jump into reverse. The shift dog is spring loaded toward reverse. Be care full and not force the shift shaft because if you try to turn it the wrong direction you can bend the shift shaft in the lower. Be careful not to bugger up the male splines. Lower the lower unit down about an inch & a half(supported by metal folding chair or other) enough to turn the shift shaft sticking up from the lower unit, while rotating the prop turn shift shaft untill you find neutral. When you find neutral you will feel it hold itself in place. Raise lower back into place and check with shifter. May take a few times to find the right place for the shift shaft. Thanks Gary. That was it. Made for an easy fix. Way more helpful than " You have it in gear " !!!! Haha Sorry I have been there more than a few times. Its a take it off and back track kinda deal.
http://FishingCharterspi.com/Snook,Redfish,Shark, Red snapper, tarpon 2024 Shallow Sport 24 ModV Suzuki 300. Hewes tailfisher Yamaha 70 South Texas Boat Outfitters (owner) Pure Fishing Prostaff
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