Engine Repairs, Modifications, Diagnostics, Tuning, Upgrading, Questions.
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April 8th 2010, 10:32pm
I am in the process of draining and replacing the coolant in my 2001 Chevy Astro van with a Vortec 4300 V6.
Can anyone tell me or show me me a picture of where the ENGINE COOLANT DRAIN PLUG (NOT THE RADIATOR PLUG)is located so I can make sure I have drained all the fluid out. I have a set of GM service manuals and in the manuals they stated that if you don't drain the block will only get about 50% of the coolant out---being that the 2001 call for the DEX-COOL Antifreeze which they claim is good for 5 years or 50,000 miles I would like to make sure I have all the old coolant & water out before I add the new stuff
I ran a flush in it and remove the thermostat and put the gooseneck back on and flushed it until clear water came out---now I just want to empty the block.
Also in it a good idea to use DISTILLED WATER for the coolant mix or is regular tap water OK.
Melbourne, FL[email protected]
April 9th 2010, 1:07am
I don't have a picture, but the the "plugs" you are looking for are on each side of the block. If you were to look just in front of the oil filter, there should be a hex headed plug. If I remember right it was 1/2' or 9/16' . When you remove it, do it slowly so you don't get splashed with coolant. There is one on the other side just like. That one is around the starter. I was able to remove both without any real trouble. Also be sure to use some thread sealant on them before reinstalling them.
I did use distilled water on mine, even though the manual says clean drinking water.
April 9th 2010, 1:11am
Welcome to A/S
April 9th 2010, 2:23pm
Distilled water is best, but tap water works fine.
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