Question about 1999 Chevrolet Suburban

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How do you drain coolant in a 1999 Chevrolet Suburban? specifically from the engine block?

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The easiest way to drain coolant from engine is to remove lower radiator hose from water pump and let it run out. There are no drains on the engine.

Posted on Sep 07, 2009

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There is a block drain on either side of engine located just above the oil pan, The size are 5/8 hex head plugs. Be careful if coolant is hot as it will want to go everywhere when you open them. also open radiator cap to allow air for complete draining.

Posted on Sep 07, 2009


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    I see no problem you doing this yourself. First i would pour some coolant flush in it and run it a couple of days, secound instead of useing the pip **** to drain it, when its cool remove the bottom radiator hose from the radiator and drain it that way, its faster and you will get more out of the engine block that way, (unless your going to pull the block drains.) Just make sure you get it full when you refill it so you don't get any air pockets in the system. What i do is pull the thermostat and fill the engine block from there and reinstall thermostat and then the radiator that way i know that i did not get any air in the system.

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