Question about 2001 Chevrolet Blazer

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Need to change radiator anti-freeze on a 2001 chevy blazer ,do i need special tool and were is the drain located.

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Hi the drain is usually located at the bottom of the rad but as you dont need to drain all the water out the best option would be to remove one of the hoses off the bottom of the rad then let the water drain out then after you have drained enough (you can drain it all this way also) put the hose back on and make sure its tighten up properly.

Now when you fill it back up make sure you get all the air out of the water system as not doing this can cause damage to the engine. Most engines are self bleeding so you should have no problems with this.

Have a good look at all the water hoses that run along the top part of the engine and check if any of them have a small screw located along one of the hoses it will be half way along the hose and looks like small plastic screw if you have one of these then remove the screw before filling the water up then when you start filling it up all the air will come out of here wait untill all the air has stopped coming out and the water is flowing out without any air bubbles present then tighten up and top the water up to the correct level.

Now start your car and let it tick over untill it reaches temp wait untill the fan cuts in if it is electronic fan keep an eye on the temp as not to boil the water incase of any air lock problems you should find you have no problems.

Let me know how you get on or if you need further assistance ok

Posted on Oct 05, 2009

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There is a drain **** located on the inside (motor side) on the bottom of the radiator. Remove top cap, place a catch pan under the drain ****, open the drain. When the fluid stops coming out, close the drain **** and refill the radiator...(note: do this with the engine cold). Once the radiator is filled, start the vehicle and add as needed. Replace the cap then make sure the resevoir is filled to the proper level on the side of the tank. Let the vehicle idle until the thermostat opens and the coolant is properly circulating, recheck the resevoir and make sure it maintains the proper levels for cold and hot.

Posted on Oct 05, 2009

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2 Answers

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