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Post by oogy on Oct 23, 2008 17:58:43 GMT -6
My 98 aurora is leaking coolant ridiculously fast..
It seems to be coming from the drivers side of the car.. yet both the large rubber hoses going from the radiator to the block and from the block to the radiator don't seem to be leaking, at least from what I can tell.. Where on earth is this torrent of coolant coming from? It reservoir is now completely empty and most of it has leaked out so if i want to find out where its coming from i guess i have to put more water in and run the car..
What am i missing? where else could the coolant be coming from?
Any help would be great, i'd like to figure this out and not pay someone
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Randy T.
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Post by Randy T. on Oct 23, 2008 19:19:25 GMT -6
Is it on the front or the rear of your engine? Could be your coolant tank, or your water pump. They are both on the drivers side, along with numerous hoses.
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Post by giannid on Oct 23, 2008 19:20:51 GMT -6
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Post by oogy on Oct 23, 2008 20:57:11 GMT -6
it seems to be closer to the front, it doesn't seem to be coming from the tank at all... but no, its not really coming from the back.. its just underneath the large coolant hose running to the engine block is that close to the water pump
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Randy T.
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Post by Randy T. on Oct 23, 2008 21:13:31 GMT -6
The water pump is where you see the small belt on the drivers side, it is the bottom pulley of the 3. If it is leaking coolant that bad it sounds like a hose. Get a good flashlight, it will help you track down the leak.
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Post by oogy on Oct 26, 2008 10:02:44 GMT -6
Now that I'm able to look at it in the light it seems it is coming from the water pump... It feels wet right where the water pump is screwed in, like either the water pump itself is leaking or the gasket it is... which i agree is weird because it seems like its losing coolant fast, but that is exactly where it seems to be leaking...
so next step, is it probably the water pump or just the gasket?
is it easy to fix, it seems like it would come out very easily, its not hard to get at...
thanks
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Randy T.
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☯ AURORA GXP ☯
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Post by Randy T. on Oct 26, 2008 12:49:20 GMT -6
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Post by SPL15 on Oct 26, 2008 19:57:15 GMT -6
Could be coolant crossover housing gasket.
Had this on my 97. Would leak on drivers side under engine.
I flushed the coolant and added some GM coolant tabs and leak is gone now. But those coolant sealing tabs plugged the heatercore a bit so now my heat is pretty weak... Can never win with this car.
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Post by Deleted on Oct 27, 2008 10:20:35 GMT -6
I tihnk its the pump, mine went out and was acting the same way, it turned out to just be a seal though.
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Post by dennis on Oct 30, 2008 13:30:19 GMT -6
After replacing the water pump, get rid of the red DexCool coolant and put in the conventional green. Mine ate 2 pumps with the red. No problems after switching to the green. Better lubrication and les acid damage if air gets in system.
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Post by aurora2001tan on Oct 30, 2008 21:47:26 GMT -6
thats bad information. bad pumps are the likely cause or a bad install of one. The construction of a water pump is hilarious when you look at what seals it from failure. We can go to the moon but cant build a water pump to handle temperature changes or put in a forever seal. Rubber doesnt last. And rubber in manufacturing is always at risk. i still have the dex cool in my car and am at 155k miles and i am still on the same thermostat housing and the same water pump.
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Post by dennis on Oct 31, 2008 14:56:44 GMT -6
thats bad information. bad pumps are the likely cause or a bad install of one. The construction of a water pump is hilarious when you look at what seals it from failure. We can go to the moon but cant build a water pump to handle temperature changes or put in a forever seal. Rubber doesnt last. And rubber in manufacturing is always at risk. i still have the dex cool in my car and am at 155k miles and i am still on the same thermostat housing and the same water pump. Information is accurate. If air gets into the system, damage will more likely occur with the red. You were lucky with the red. It's good for the ducks and bad for the cooling system.
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Post by roughneck111 on Nov 1, 2008 1:08:09 GMT -6
Please correct me if, but I thought Dex-Cool was the primary choice for aluminum? And do these vehicles have aluminum heads? Sorry for the off subject question. But i do believe it is your pump seal. It is an easy replacement for both.
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Post by roughneck111 on Nov 1, 2008 1:11:47 GMT -6
Dex-Cool is phosphate free designed for aluminum based motors. It has the same lubricity.
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Post by Superdemon on Nov 1, 2008 1:12:45 GMT -6
Please correct me if, but I thought Dex-Cool was the primary choice for aluminum? And do these vehicles have aluminum heads? Sorry for the off subject question. But i do believe it is your pump seal. It is an easy replacement for both. These engines are all aluminum.
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Post by dennis on Nov 1, 2008 12:24:21 GMT -6
GM has many class-action lawsuits regarding DexCool Red coolant eating up gaskets and plastic components. Owners have choices. I have never had another cooling issue since switching to the conventional green coolant.
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