Does anyone know where I can find a complete diagram of the cooling system? - VTXOA
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post #1 of 50 (permalink) Old 07-10-2019, 02:27 PM Thread Starter
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Does anyone know where I can find a complete diagram of the cooling system?

Does anyone know where I can find a complete diagram of the cooling system?
I have a small coolant leak that I can't seem to isolate. I have tightened the clamp around the coolant reservoir and still it has a very small gradual leak.

I looked underneath and everything is dry and no evidence of any leaked. Any help would be appreciated
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post #2 of 50 (permalink) Old 07-10-2019, 03:12 PM Thread Starter
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A water pump has crossed my mind as well but I want to make sure all other possibilities have been eliminated before I go that route.
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post #3 of 50 (permalink) Old 07-10-2019, 04:43 PM
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under the water pump is a small hole... if fluid is dripping from the hole.. its the water pump.


just like most cars.


Honda service manual page 6-0.. complete diaphragm of cooling system
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post #4 of 50 (permalink) Old 07-10-2019, 06:05 PM Thread Starter
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Let's talk worst case scenario for a moment. If it's the weep hole in the water pump, can that be fixed or do I have to bite the bullet and replace it?
Also, how much does a new water pump go for ? Does it have to be OEM? I'm just throwing some scenarios out there. I hope it's something simple but I always hope for the best but expect the worst
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post #5 of 50 (permalink) Old 07-10-2019, 06:25 PM
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No fixing, no rebuild kits, just buy a new pump and change it out
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post #6 of 50 (permalink) Old 07-10-2019, 08:56 PM
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Pressure test?
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post #7 of 50 (permalink) Old 07-10-2019, 10:49 PM Thread Starter
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As much as I like to figure things out on my own, this one unfortunately is out of my scope. I'm going to take it to the shop I deal with.I hope it's just on whoring or maybe a loose hose and not the water pump.
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post #8 of 50 (permalink) Old 07-11-2019, 08:56 AM Thread Starter
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Quick last question. How is it determined if the water pump is faulty or not? Is there a specific test that will yield a definitive answer?
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post #9 of 50 (permalink) Old 07-11-2019, 09:20 AM
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The definitive answer is the leak you have on the ground. It's from the water pump, thus the water pump is going bad. The fix is to replace the water pump


PS...it's not a hose, or a loose clamp, it's the pump
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post #10 of 50 (permalink) Old 07-11-2019, 09:23 AM
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Look up by the rear oil drain plug as you can see in this picture. The weep hole is the dirty hole near the drain plug;

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