Where's the radiator drain plug? - Chevy Malibu Forum: Chevrolet Malibu Forums
 
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post #1 of 5 (permalink) Old 08-02-2012, 05:41 PM Thread Starter
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Where's the radiator drain plug?

I know it sounds like the simplest of questions, but I can't seem to find it. I have a coolant leak and for now I'm just flushing the system and using a sealant to buy me some time until I can get the actual problem addressed, but I can't seem to figure out how to drain the coolant out, I have a 2000. Any help is appreciated.
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post #2 of 5 (permalink) Old 08-02-2012, 09:42 PM
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Re: Where's the radiator drain plug?

Not all radiators have one.

You can remove the lower radiator hose.

BTW - the sealant? Can easily make your small problem a bigger one.

Where does it leak?

RwP

335K miles on original motor and tranny (only motor work 2 x LIM replacement), Monroe SensaTrac struts front and back (new at approx. 300K miles), and Alero discs in back. LS fogs added with custom wiring. HID high beams, HIR low and halogen fogs. Raybestos Pro Grade front rotors and Bendix D747 ceramic pads on front.

Addendum: Rest in peace. Surge tank blew, motor overheated, I think she's lived a long and useful life.
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post #3 of 5 (permalink) Old 08-02-2012, 10:57 PM Thread Starter
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Re: Where's the radiator drain plug?

Quote:
Originally Posted by RalphP View Post
Not all radiators have one.

You can remove the lower radiator hose.

BTW - the sealant? Can easily make your small problem a bigger one.

Where does it leak?

RwP
Lower Intake Manifold Gasket, big surprise huh? I've pretty much been learning everything about cars myself for the past 3 months, and just taking things as I come and doing the best I can to research to fix whatever needs to be done. Basically I'm saying I don't know much about cars, I'm broke, and this is my first car. So again, any suggestions are appreciated.
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post #4 of 5 (permalink) Old 08-03-2012, 03:22 AM
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Re: Where's the radiator drain plug?

The radiator drain plug on my 99 is on the drivers side towards the bottom. It's a white nylon plug and the end of a 1/4 inch extension is used to loosen it. But like RalphP said, it is much better to just pull the bottom radiator hose off to avoid stripping the nylon plug. Changing the lower intake gaskets isn't a hard job, just involved. Make sure you have access to a good set of metric tools and a inch pound and foot pound torque wrench. Make sure you get a book to help guide you through the process like a haynes.
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post #5 of 5 (permalink) Old 08-03-2012, 10:11 AM
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Re: Where's the radiator drain plug?

Be careful using a 'mechanic in a can'. While they do sometimes work, they can also cause you headaches down the road. GM dealers sell coolant sealant tablets that you crush and put in the system. In a system like yours, you would add them at the radiator hose and not where the cap is. I don't know if anyone in the aftermarket carries the tablets. The tablets seemed to work fairly well and the long term side effects were more easily cleaned out if necessary. Best bet is replacing the gasket as soon as financially possible.
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