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Signs of a bad water pump?

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Old 02-20-2012, 06:12 PM   #1
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Unhappy Signs of a bad water pump?

What are the signs of a bad water pump my truck is leaking antifreeze from somewhere? I have 149,000 so I'm thinking my water pump us going bad? How can i tell?
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Old 02-20-2012, 06:16 PM   #2
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Try to target where the leak is coming from? if its from beneath the pulleys at the front of the engine?
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Old 02-20-2012, 06:19 PM   #3
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Dunno its dripping off the back of the skid plate. Im going to take it off in the morning and try to figure out. Does antifreeze usually leek from somewhere if the water pump is going bad?
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Old 02-20-2012, 06:21 PM   #4
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yes, there is a weep hole on the pump itself
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Old 02-20-2012, 06:21 PM   #5
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I dunno, does it do something like this?

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Old 02-20-2012, 06:41 PM   #6
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Quote:
Originally Posted by fireturk41 View Post
yes, there is a weep hole on the pump itself
How bad would it leak if it did come out of the peep hole? Antifreeze has been disappearing for a few weeks.
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Old 02-20-2012, 06:43 PM   #7
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depends can be a few drops to a loose stream
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Old 02-20-2012, 06:44 PM   #8
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Quote:
Originally Posted by fireturk41 View Post
depends can be a few drops to a loose stream
Welp that could possibly be it. Bout time to change the water pump anyways!!
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Old 02-20-2012, 06:44 PM   #9
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id go ahead and replace the water pump and if you havent already the timing belt too
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Old 02-20-2012, 06:47 PM   #10
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Yeah im going to. I checked the timing belt and it looked brand new compared to the new one i had so i didn't replace it.
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Old 02-20-2012, 06:56 PM   #12
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also check to make sure those stupid hose clamps arent leaking, mine leak when the coolant is warm and stops when it cools
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Old 02-20-2012, 06:56 PM   #13
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That makes sense. It was running cold when it was leaking and its freezing here now lol
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Old 02-21-2012, 11:06 AM   #14
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Had the same issue at around 90-100k miles, losing coolant (at a slow rate) and nothing on ground.

Took the Taco in for a new timing belt and water pump since it was due. Mechanic discovered a small leak between the water pump and engine block. Because it has been leaking for some time, the leak path started to erode the block where it mated with the pump.

Mechanic attempted to use some kind of sealant as a band-aid fix since replacing the block isn't an option. It lasted just a short time and started losing coolant again.

I put in some Bars Radiator Stop Leak and it worked for almost 2 years, no coolant loss. Just recently, I'm starting to lose coolant again.. maybe a few ounces every few weeks.
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Old 02-21-2012, 11:47 AM   #15
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I found the problem it's leaking out of the heater valve.
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