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Old 01-22-2010, 07:11 PM   #1
CB900F2
 
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Water Pump leaks and then stops

Hey guys.. Has anyone experience the situation where your water pump had a small leak from the pump's seeping hole but no further leaking?

I found a very small amount of coolant on the water pump pulley and it was crusted on the bottom of the pump near the seeping hole. I cleaned up the area and had no futher leaking since then, and it has been about 20 days now..

thanks guys..

P.S.. No mods to the pulleys, all OEM..
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Old 01-22-2010, 07:52 PM   #2
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Its not uncommon that bit of crystalization can kinda slow or stop things for a little while but its going to start leaking again. Best to take it in while its still under warrenty than wait till it completely fails
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Old 01-22-2010, 09:57 PM   #3
Sir A.Y. Atoyot
 
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Intermittent leaking is typical of water pumps. Just get it replaced - it won't really heal itself permanently
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Old 01-22-2010, 10:11 PM   #4
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Thanks guys

I will get the pump replaced under warrenty, guess now I will have to wait for it to leak a bit to show the dealer. Not sure if they will take my word on it
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Old 01-22-2010, 10:32 PM   #5
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When i brought mine in the service writer just put on the paperwork customer states water pump is leaking.

End of the day i get a call my car is ready to be picked up and it has a new water pump.

They know its a very common problem with the car. All they have to do is just look at it with a flashlight. Of if it starts to get bad just look at the hood for pink lines.

Kinda pissed a newer car has this issue that may never go away without regular changing. Maybe should be part of the 30k mile service water pump replacement hah.

But at least its easy to do myself once warranty is over.
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Old 01-23-2010, 12:27 PM   #6
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Little early for an 08 sedan to be needing a water pump,are you sure it wasnt a little splatter from the dealer toping up the radiator or maybe a bit of venting from the overflow tank..
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Old 01-23-2010, 03:36 PM   #7
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It is the pump for sure.. and I only have approx 37000km.... not pleased with the situation with such low KM...

Quote:
Originally Posted by jambo101 View Post
Little early for an 08 sedan to be needing a water pump,are you sure it wasnt a little splatter from the dealer toping up the radiator or maybe a bit of venting from the overflow tank..
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Old 01-23-2010, 06:02 PM   #8
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time for an electric i say. if i could find a good one i'd do it. had one on my camaro that got around 45k miles before i got rid of it, and as far as i know, the guy i sold it to still uses the same one. for 165 bux it was cheaper than factory, saved on power loss and i got better mileage with it.

im surprised with them being factory on stuff like bmw and mercedes that toyota and their 'fuel efficiency' claims havent done anything with them yet.
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Old 01-24-2010, 03:37 PM   #9
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The LL coolant is a WP killer. BTW spell: warranty
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Old 05-22-2010, 11:15 PM   #10
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My WP just gone with 56k!

Is one of those things that I never expected to happen to my Yaris Specially at that Mileage...? That sucks, but I’m pretty sure that staler will fix it under warranty.

Is there any other option of coolant that is compatible with the Yaris radiator and that is nice to the pump too?
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Old 11-04-2010, 07:12 PM   #11
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mine seems to have stopped leaking too now!
No more pink stuff shooting up onto the hood.....
Tempted to leave it be since it's seemed to have fixed itself ....
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Old 11-04-2010, 10:12 PM   #12
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it will always leak again. fix it while it's on your schedule and not the pump's. cuz it's always gonna be that point when you have somewhere urgent to be.
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Old 11-04-2010, 10:50 PM   #13
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the crystallization is not a water pump problem its the super long life crystallizing as far as Toyota is concerned it normal as long as the coolant level doesn't go down they do not want to replace the water pump.
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Old 11-05-2010, 11:42 PM   #14
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In the past typicially when a wp leaked a few drops it REALLY let go a short time later. It would be a catastrophic failure. These Yaris pumps seem to lose very little coolant when they leak. Then they stop. I would bet theres little or no discernable loss of coolant. If not under warranty I would be tempted to leave it be. But then if it crapped out it would probably be inconvient as could be.
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Old 11-06-2010, 01:43 PM   #15
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Posted on other thread but the telltale signs were noticed on mine and a new one is on the way.

Lucas.....do a google on anything other than Toyota stuff before taking the plunge. I did and was surprised. Sticking with Toyota fluid.
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Old 02-21-2011, 11:46 AM   #16
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i noticed a faint spray line on the underside of my hood, but it does not drip from beneath. just gonna keep an eye on it and watch my coolant level.
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Old 02-21-2011, 06:46 PM   #17
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Quote:
Originally Posted by brg88tx View Post
i noticed a faint spray line on the underside of my hood, but it does not drip from beneath. just gonna keep an eye on it and watch my coolant level.
can anyone explain why or how my coolant only leaks when the engine is running? this is not normal, right?
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Old 02-21-2011, 07:30 PM   #18
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Coollant is under pressure and moving when engine is running.
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