please help i'm leaking coolant and can't find the leak?help - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 05-27-2006, 01:11 AM   #1
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Default please help i'm leaking coolant and can't find the leak?help

alright i'm leaking coolant and i don't know where the source of the leak is, its not coming from the t-stat checked it it'* dry, i checked where the hose comes in at the top of the radiator and it is dry, and the hose going into the water pump is dry, now i will describe the best i can where i think the leak is coming from. It is trickling down my oil filter and is wet with coolant all on my oil pan, it looks as if it is flowing from behind my ac compressor i can't see to well where it is coming from. what should i do? should i take the water pump off and see if the gasket has detoriated. It happened out of nowhere i put my car on ramps to do an oil change and all of a sudden it is leaking. Now do i use gasket paper and rtv sealent or what and opinions would be greatly appreciated thanks in advance i really need your guys help!!!!!!!! please.
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Old 05-27-2006, 01:19 AM   #2
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My first place to check would be the radiator hose that comes off the water pump. Other than that the other hoses are right around the water pump.

If it is setup the same or similar to my car, there is a bypass hose that goes from the intake to the water pump and two hoses that come off the heater core. One ofmine goes directly into the fromt cover behind the water pump and the other goes into, I believe the intake as well.

Check all those hoses and see if there is any fluid gathering around them. It'* a start and we can go from there.
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Old 05-27-2006, 07:30 AM   #3
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Most likely it'* one of the 2 (I think there'* only 2) weep holes in the water pump. They are nearly impossible to see in our cars w/o being a contortionist.

Are the hoses old enough to be suspects?
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Old 05-27-2006, 07:56 AM   #4
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Is it leaking alot(big puddle under the car) or just a few drops????

does it keep leaking after you shut the car off or just when it'* running???
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Old 05-27-2006, 12:19 PM   #5
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the hose'* could be a suspect but they are dry no coolant forming around them at all, the hose going into the water pump is dry. The actual water pump pulley also looks dry i can't find the leak, the ac compressor is wet though as if the coolant is trickling down. when the car is off the leak slows down the longer the car is off the slower it leaks, when off it leaks it droplet form. when on i think it leaks at a steadier pace. it never leaks in a fluid manner no stream ever accept when it flows down my oil filter. that happens right when i turn the car off so i guess thats how it is when it is on. Please help :?: :?:
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Old 05-27-2006, 01:22 PM   #6
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every time i mentioned ac compressor i meant to say crankshaft pulley sorry i had a little mix up. The fluid seems to be collecting around the crankshaft pulley and leaking down my oil filter. Now last night i filled my resivor coolant tank up all the way and this morning its all gone i opened the radiator cap and there is stil fluid in there. Help
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Old 05-27-2006, 03:36 PM   #7
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Thats quite a bit of fluid.... How much if any hits the ground when the car is off? And if you can't find the coolant on the ground you may have an upper intake issue as well...

First things first check the water pump top and bottom, as well as the coolant elbow( plastic and tends to degrade )... Look in those areas first...

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Old 05-27-2006, 04:04 PM   #8
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all of it hit the ground there was a giant wet stain coming from right under my oil filter and crankshaft, i think it is a bad pump seal i'm just going to put it in the shop cause i can't get the engine mount off parallel o the serpentine belt there two bolts i can barely get to and they are on there tight
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Old 05-27-2006, 04:05 PM   #9
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Quote:
Originally Posted by wf2tm51
all of it hit the ground there was a giant wet stain coming from right under my oil filter and crankshaft, i think it is a bad pump seal i'm just going to put it in the shop cause i can't get the engine mount off parallel o the serpentine belt there two bolts i can barely get to and they are on there tight
Are you trying to remove the water pump?

The torque axis mount can stay in place, but the 2 power steering pump bolts need to be removed

And help us out here...

This is a series II 3800 right?

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Old 05-27-2006, 09:41 PM   #10
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yeah series II 3800, i have a leak coming from the water pump. I think it is a broken pump seal what should i do?
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