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post #1 of (permalink) Old 01-19-2017, 05:23 AM Thread Starter
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Exclamation Omg!! There is coolant everywhere!!

Now that I have your attention, i come looking for help.

So yesterday as I am coming through my little town, I started smelling antifreeze. Pulled over and noticed a good amount dripping from the passenger side front wheel. After further investigation(and by investigation i mean the belt was screaming like a banshee), coolant is getting on the belt, and saturated quite a bit of the area by the pulleys.

So i did some research on here and pretty much narrowed it down to 1 of 2 things, and an option for a 3rd.

-Coolant Crossover Gasket. I hope it isnt this, but i am prepared to dive in to repair it if need be.
-Water Pump. Of the possibilities, I hope this is it, as there are enough DIY videos on YouTube for this. I could not find a how-to for the coolant crossover gaskets, so I would be going in blind.

And the longshot, a coolant hose. I didnt really look at it when I was there to see if there was even a hose in that area.

My question for the audience, Is there any real way to narrow down which is leaking? Everything is pretty much soaked, and it was a pretty substantial leak. Im talking about letting it sit for 5-7 minutes and having 3 separate puddles of DexCool under my car that were about 4-5 inches in diameter.
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post #2 of (permalink) Old 01-19-2017, 05:55 AM
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Hook a pressure tester to the system and pump it up to whatever the PSI rating is on your rad cap. ( 13 - 15lbs i'm guessing) You should see where it's coming from.
Most of the auto repair places will rent, or loan you a pressure tester if you don't have one.
Your probably gonna have to buy a new belt now as well as this ones been soaked in antifreeze. They will usually squeak and squeal after that.

Good luck and let us know.

Some things are better left unsaid, which I generally realize right after I have said them.
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post #3 of (permalink) Old 01-19-2017, 06:04 AM Thread Starter
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I appreciate the advice. I will see if we have one in store, and if not, im sure one of our shops will have one. Thanks again.

So when I hook the pressure tester to it, will it just start pushing coolant out of where it is leaking?
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post #4 of (permalink) Old 01-19-2017, 06:15 AM
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Yes.

If the engine is hot you will have to carefully remove the rad cap. If the engine is cold not problem, but, if it's hot, you will have to wait until the pressure is out of the system.
From the sounds of the leak you have that should not take very long.
Ensure the cooling system is refilled to where it's supposed to be. Then, hook up the pressure tester cap in place of the rad cap and hook it to the hand pump ( if it's that type, there are a couple different types ) and pump it up to the pressure rated on the cap. You will be able to see where the coolant is running out from.

Just to state the obvious here, but this is done with the engine NOT RUNNING.
Do not exceed the pressure rating on the cap with the test equipment.

If it's as big a leak as you are stating it should be pretty obvious pretty quickly.

Some things are better left unsaid, which I generally realize right after I have said them.
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post #5 of (permalink) Old 01-19-2017, 06:18 AM
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Here is a generic type video of what your going to do.


Some things are better left unsaid, which I generally realize right after I have said them.
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post #6 of (permalink) Old 01-19-2017, 06:20 AM
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Yes, It will show you where your leak is at. Your autozone store should have one they rent to customers. I know almost all of them do.
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post #7 of (permalink) Old 01-19-2017, 06:27 AM Thread Starter
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Originally Posted by jso2378 View Post
Yes, It will show you where your leak is at. Your autozone store should have one they rent to customers. I know almost all of them do.
Yeah, I called, they do have one. I will be looking at this today.

My fear is that the leak will be in an area that wont help determine if it is the water pump or the crossover gaskets.. They seem to be near each other right?
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post #8 of (permalink) Old 01-19-2017, 06:58 AM
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what year and how many miles on the car, also which motor. it might help narrow down possible causes due to common issues with one engine over another.
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post #9 of (permalink) Old 01-19-2017, 07:14 AM
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Making sure everything is dried off and wiping the joints etc with a rag. Then use your finger to check connections etc. Start at the very top and work your way down. A mirror on a stick may help you. I'm sure auto zone will have one for around 6.00. Handy to have on hand for future projects.

Some things are better left unsaid, which I generally realize right after I have said them.
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post #10 of (permalink) Old 01-19-2017, 07:41 AM Thread Starter
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Originally Posted by Joes74challenger View Post
what year and how many miles on the car, also which motor. it might help narrow down possible causes due to common issues with one engine over another.
2008 Impala LT. 3.5l Non Flex. 135k.
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post #11 of (permalink) Old 01-19-2017, 09:50 AM
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Clean the engine bay off so you can see where the coolant is spraying from. Make sure you top it off with water so that the system is full. The pressure tester will not work well with low coolant.

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post #12 of (permalink) Old 01-19-2017, 02:32 PM Thread Starter
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So I started it up to get it to where I need to work on it. It grinded like hell when it first started, and then just went to normal sounding. Not sure if the water pump is that bad, or if it is something else.
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post #13 of (permalink) Old 01-19-2017, 03:42 PM Thread Starter
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Some videos of the sound.

https://youtu.be/tMHxH_C6YD4
https://youtu.be/qcwuZOrT_LQ

Also, the pressure tester didn't work. There is a missing adapter.
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post #14 of (permalink) Old 01-19-2017, 04:46 PM Thread Starter
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A few things to note.

I didn't do the pressure test, but I did notice the water pump pulley was throwing small droplets of water. There was also water dripping on top of the AC Compressor. That's where it looks to be the most prominent leak.

The videos above show the sound as a started it, and after it had run for a few seconds.
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post #15 of (permalink) Old 01-19-2017, 06:37 PM
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I be thinking mechanical seal on water pump took a crap

Some things are better left unsaid, which I generally realize right after I have said them.
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