Coolant drip - Club700XX - Honda TRX700XX Forum
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Old 08-21-2018, 05:42 AM Thread Starter
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Coolant drip

On 3 different occasions I have noticed a small drop of antifreeze under my 700. After I investigated this drop seems to be coming from the rubber hose that leads from the water pump. I have never seen this before with any other atv or bike. Is a drop from this hose normal? Or is this a sign of a failing water pump or water pump seal?

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2008 Honda TRX700XX
1995 Honda TRX 300EX
2001 Honda TRX 90
1986 Honda TRX 70
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Old 08-21-2018, 01:00 PM
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water pumps have a weep hole . are you sure its not coming from there ?

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Old 08-21-2018, 09:41 PM Thread Starter
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Originally Posted by cataway View Post
water pumps have a weep hole . are you sure its not coming from there ?
Is there a hose on the 700xx weep hole?

2017 Honda TRX500 Rubicon
2008 Honda TRX700XX
1995 Honda TRX 300EX
2001 Honda TRX 90
1986 Honda TRX 70
1985 ATC 250 SX
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Old 08-22-2018, 04:33 PM

 
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Originally Posted by Footy View Post
Is there a hose on the 700xx weep hole?



Yes there is, they call it a bleed hose! Do you have a copy of the service manual? And do you have skid plates on your trx700? If so it's the rubber hose that sticks through the skid plate. Also I have never notice any leakage from either of my quads, but the manual says a small amount is normal? And there is also a drain bolt and washer on the water pump, that could be leaking? If you have the manual look at chapter 7. 7-20 shows the bleed hose. If you don't have the manual let me know.

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Last edited by M_Quick; 08-22-2018 at 04:35 PM.
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Old 08-22-2018, 09:44 PM Thread Starter
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Originally Posted by M_Quick View Post
Yes there is, they call it a bleed hose! Do you have a copy of the service manual? And do you have skid plates on your trx700? If so it's the rubber hose that sticks through the skid plate. Also I have never notice any leakage from either of my quads, but the manual says a small amount is normal? And there is also a drain bolt and washer on the water pump, that could be leaking? If you have the manual look at chapter 7. 7-20 shows the bleed hose. If you don't have the manual let me know.
Thanks Mick. Yes I have the manual but I had doubts that it would be that detailed. I will check that chapter out. Yes I found that hose through the skid plate and that is where I found the drip. I now have ricochet skid and there is no hole for the weep hose to pass through. So that leads me to another question. Do I need to do something different with that hose so that It can do what it needs to do? The hose is just squeezed in against the aluminum skid plate at the moment.

2017 Honda TRX500 Rubicon
2008 Honda TRX700XX
1995 Honda TRX 300EX
2001 Honda TRX 90
1986 Honda TRX 70
1985 ATC 250 SX
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Old 08-23-2018, 08:13 AM
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If it's squeezed as in it can't flow, then yes. You can drill a hole in the skid plate to let the hose go through, or cut the hose short and have the coolant sit on the skid plate (or find a way to re-route it).
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Old 08-23-2018, 01:53 PM
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If you are getting coolant out of your weep hole, you water pump mechanical seal is going and will need to be replaced. If it is just a drop every now and then, I would keep an eye on your coolant overflow so it does not run low and plan to change it in the near future as it will only get worse over time.
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Old 08-25-2018, 06:41 AM Thread Starter
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The parts to rebuild the water pump are not available from Honda or RMATV. They will sell the entire pump for $130 and up. I did find a water pump seal kit on ebay for $17. Not sure which way I want to go at the moment. I may not do anything except keep an eye on the fluid level and how much drips out.

2017 Honda TRX500 Rubicon
2008 Honda TRX700XX
1995 Honda TRX 300EX
2001 Honda TRX 90
1986 Honda TRX 70
1985 ATC 250 SX
2003 Kawasaki KFX50
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Old 08-25-2018, 08:10 PM
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Originally Posted by Footy View Post
I may not do anything except keep an eye on the fluid level and how much drips out.


You could do that, and the seal could fail 20 miles down the trail, I bought a whole pump and repaired the old one as a spare. The seal is very easy to replace. I got to believe you can order the seal from Honda.

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Old 08-26-2018, 09:09 PM Thread Starter
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I noticed today that the drip has occurred again and my 700 has not even been started in weeks. I thought it was only leaking after the engine was running but I guess it is weeping while just sitting.

2017 Honda TRX500 Rubicon
2008 Honda TRX700XX
1995 Honda TRX 300EX
2001 Honda TRX 90
1986 Honda TRX 70
1985 ATC 250 SX
2003 Kawasaki KFX50
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