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Dec 30th, 2023
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 Water pump
#7533070
05/15/12 08:59 PM
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Joined: Jun 2009
Posts: 2,855
No Bass!!!!
OP
Extreme Angler
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OP
Extreme Angler
Joined: Jun 2009
Posts: 2,855 |
I have a 1996 Mariner Magnum 200 EFI. The problem is the water pressure guage is surging from 5 - 15 psi, it is peeing and not over heating.I made sure the copper tube was in place when I replaced the impeller. What would cause this problem?
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 Re: Water pump
[Re: No Bass!!!!]
#7533290
05/15/12 09:36 PM
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Joined: Jan 2005
Posts: 7,490
redchevy
TFF Celebrity
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TFF Celebrity
Joined: Jan 2005
Posts: 7,490 |
Posibly one or more of the vains on the impeller are pointing the wrong way.
Check t-stats and that motor probably has popets.
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Re: Water pump
[Re: No Bass!!!!]
#7533463
05/15/12 10:22 PM
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Joined: Jun 2009
Posts: 2,855
No Bass!!!!
OP
Extreme Angler
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OP
Extreme Angler
Joined: Jun 2009
Posts: 2,855 |
I will take it back apart and check it out. Thanks for the help.
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Re: Water pump
[Re: No Bass!!!!]
#7533482
05/15/12 10:26 PM
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Joined: Jun 2011
Posts: 2,733
militarybrat
Extreme Angler
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Extreme Angler
Joined: Jun 2011
Posts: 2,733 |
My 150 merc does that when I put a new impeller in it but it only does it at idle. It has always done this even when the dealer did the first one. It is only at idle.
Who ever said nothing in life is impossible.
Never tried slamming a revolving door.
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Re: Water pump
[Re: militarybrat]
#7533505
05/15/12 10:33 PM
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Joined: Jun 2009
Posts: 2,855
No Bass!!!!
OP
Extreme Angler
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OP
Extreme Angler
Joined: Jun 2009
Posts: 2,855 |
My 150 merc does that when I put a new impeller in it but it only does it at idle. It has always done this even when the dealer did the first one. It is only at idle. Yep it does it only at idle, but this is the first time it has done it so I was just concerned about it. Thanks for the help.
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Re: Water pump
[Re: No Bass!!!!]
#7533522
05/15/12 10:36 PM
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Joined: Jun 2011
Posts: 2,733
militarybrat
Extreme Angler
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Extreme Angler
Joined: Jun 2011
Posts: 2,733 |
Mine is a 1997 it's just the impeller sealing too good it will stop after a few runs on the lake and it breaks in.
Who ever said nothing in life is impossible.
Never tried slamming a revolving door.
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Re: Water pump
[Re: No Bass!!!!]
#7535353
05/16/12 12:44 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 |
It is the poppet assembly. It is their to force water to the top of the block. On the starboard side low, just below the power packs. Put you motors model # here: http://www.mercurypartsexpress.com/us/index.html/
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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