draining coolant on 00 ssei (added question 6-2-07) - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-30-2007, 11:30 AM   #1
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Default draining coolant on 00 ssei (added question 6-2-07)

i can not find the drainplug on the radiator, whats the trick?

is there a plug thats lower on the block?
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Old 03-30-2007, 11:35 AM   #2
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i couldnt find one on my car either. If it were me, i would just pull the lower hose
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Old 03-30-2007, 11:50 AM   #3
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It'* hard to find. It'* on the bottom of the radiator on the driver'* side...facing downward. It looks like a plastic bolt, rather than the "usual" petcock. It'* easier to see by pulling the splash guard.
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Old 03-30-2007, 11:53 AM   #4
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i dont even have a splash guard.. but that metal frame piece that goes right under the radiator is seeming to block all access

ill have to take some pics and have you draw some arrows
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Old 03-30-2007, 12:03 PM   #5
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OK, that will save me from having to pull my shield and take some. It is right above that frame which does make it hard to find. I think that I spent a fair amount of time searching for it originally. Even now, knowing where it is, it still takes a few seconds before I find it.

Edit - The large wire loom that runs in that area could also be blocking your view of it.
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Old 03-30-2007, 05:52 PM   #6
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Can't you drain a significant amount of the coolant by removing the knock sensors? That really doesn't take care of your radiator i realize.
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Old 03-30-2007, 08:20 PM   #7
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Pulling the front knock sensor as well as opening the radiator drain plug gets rid of most all of the cooland in the system.
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Old 03-30-2007, 09:38 PM   #8
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I think I would just pull the hose. I wouldn't trust anything plastic to seal properly after removing it. That or I would break it in the process of removing it.
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Old 03-30-2007, 09:43 PM   #9
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Quote:
Originally Posted by Grimm
I think I would just pull the hose. I wouldn't trust anything plastic to seal properly after removing it. That or I would break it in the process of removing it.
Thats what I did after I broke the plastic tab off one side trying to open it up.
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Old 06-02-2007, 10:18 PM   #10
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well today I had to get my coolant flushed, and i looked and looked for that drain plug. i could not find it! so i ended up disconnecting the radiator hoses several times to get all the DEX out. after i got the coolant completely water, i found the damn plug. it is easily removed with a 19mm socket if you are worried about breaking the tabs off

my question. does the car need to be running in order to have the heater core flushed? keep in mind i have the electric water pump, so i did all this flushing on a non running car, because i could just turn the pump on to circulate things. i had the car on ACC, and the heat turned to 90*, and the fan on high. would that work? im not sure how that works

anyways, here is a pic of the drain plug
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