overheating. pic attached

V

vscgraphics

Seaman Apprentice
Joined
May 30, 2009
Messages
43
I just bought a 1986 century 5000 22" Maiden voyage she immediately overheated. I was assuming it was the water pump (gm 350 engine 5.7L) I tool off the water pump and notices the impeller was spinnning (working I believe) So I put the garden hose in the skinny intake water hoses(pic attached. When I did that water was coming out of where the outdrive pivots. (pic attached)
Problems? How expensive are the parts? DIY
 

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V

vscgraphics

Seaman Apprentice
Joined
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Messages
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Re: overheating. pic attached

pocono summit.. right down road. I am off rt 715 reeders
 
V

vscgraphics

Seaman Apprentice
Joined
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Messages
43
Re: overheating. pic attached

Yes drive is there. Alpha 1

is that water coming out of that area in pic a problem? hole in bellows? etc
 
Blk-n-Blu

Blk-n-Blu

Master Chief Petty Officer
Joined
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Messages
821
Re: overheating. pic attached

Water is supposed to exit through the relief ports where the drive pivots and you may see some through the prop as well. Your feeding water from where it is supposed to enter the thermostat cover back through the inlet in the lower drive. In that pic. You might try the water muffs which attach to the lower unit intakes with a hose and feed the water up from the bottom. DO NOT RUN MOTOR WITHOUT WATER RUNNING TO IT. Wal- Mart sells the Muffs. If you go back to the How Do i link, scroll down to "How do I change water pump"
 
V

vscgraphics

Seaman Apprentice
Joined
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Messages
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Re: overheating. pic attached

I have the muffs... I guess the only way to check impeller is by taking drive apart
 
Blk-n-Blu

Blk-n-Blu

Master Chief Petty Officer
Joined
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Messages
821
Re: overheating. pic attached

You should have some serial numbers on the engine or flame arrestor which will help
 
V

vscgraphics

Seaman Apprentice
Joined
May 30, 2009
Messages
43
Re: overheating. pic attached

napa will have impeller kit for boats? i will call them
 
V

vscgraphics

Seaman Apprentice
Joined
May 30, 2009
Messages
43
Re: overheating. pic attached

looking at napa online.... cant find kit there.

btw i appreciate the help
 
Blk-n-Blu

Blk-n-Blu

Master Chief Petty Officer
Joined
May 12, 2004
Messages
821
Re: overheating. pic attached

Not a problem. I get my parts at the NAPA in Mt.Pocono. They have the marine parts catalog there not online. My last pump kit and impeller was less thn $50.00 and you'll need gear lube and hand pump.
 
D

dingdongs

Chief Petty Officer
Joined
May 29, 2009
Messages
649
Re: overheating. pic attached

look on;www.youtube.com and type in mercruiser water pump replacement.you will learn a lot by the videos and what to look for and how to achieve success if its your first time.
 
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