Question about 2001 Chevrolet Blazer

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Radiator flush Hi- Need to flush radiator in 2001 chev blazer. Drain **** is not readily opened. Need some easy wway to open it or take a hose off and drain it that way. suggestins.

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The drain plug should be located on the drivers side on bottom of radiator. Should be a flat tab that you can use to unscrew it. Or the faster/messier way of doing it, is to pull of lower radiator hose. Alot faster but alot harder to catch coolant to reuse.

Posted on Sep 06, 2008

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How to flush the cooling system on a 2002 Chevrolet astro van




  • Open pet cock drain valve at bottom of radiator


  • Open top radiator cap


  • Allow to drain into bucket or pan, then dispose of responsibly. This is dangerous to your pets.


  • Then loosen and remove any one radiator hose



    • Introduce a flow of water from a garden hose into a created opening, either the hose or other end.


    • Keep doing this until water is clear coming out opposite end.


    • Then switch, and do that again




  • Remove thermostat



    • Flush out that area




  • The more flushing, and the more areas opened after the initial, the better.



    • Upper and lower radiator hoses



May 26, 2015 | 2002 Chevrolet Astro

1 Answer

How to drain radiator 1998 chev blazer


Some years have drain plugs, others don't. Just unhook the bottom radiator hose to drain. OR, look on the passenger side, on the side of the radiator, up a few inches. Some models have plugs there.

Apr 17, 2014 | Chevrolet Blazer Cars & Trucks

1 Answer

Flush radiator


The easiest way to flush, if radiator is left in the vehicle, is to have the car at normal operating temperature, open the radiator drain, and put a garden hose into the cap opening. Turn it on till as much water enters the radiator as is leaving the drain. Run the engine as you are flushing, and run it till the water runs clean out the drain. Then shut off and refill with a 50-50 mix of water and antifreeze.
If you take the radiator off, you could run the hose into the bottom hose fitting and let it drain out the top hose fitting or the radiator fill neck. A simple back flushing method that may help dislodge and flush out any particles-but the first method should work well enough if your radiator is in good shape and not clogged up with rust and scale.

Apr 29, 2013 | 2003 Buick Century

1 Answer

Drain bolt for radiator flush on a 2001 toyota celica


There is a drain in the side of the block normall near the back on the side. Sometime it is a tap that you screw in not out to open it. It is possible to flush without removing the plug but if you want a good job take the time to remove the thermostat and flush using the bottom radiator hose and not through the radiator as you won't want any muck blocking up the cores in the radiator. Then flush the radiator from bottom to top.

Feb 10, 2013 | 2001 Toyota Celica

1 Answer

Location of thermastat on 2000 chev blazer


Hi Bill, Open the hood and follow the top radiator hose to where it is connected to the engine. At that point you will see a domed housing which is the thermostat housing. regards John

Oct 13, 2012 | 2000 Chevrolet Blazer

2 Answers

I want to learn how to drain and flush my radiator. I need help on how to do so without making as mess


well its bound to make a little mess but you should have a drain plug on the radiator at the bottom towards the engine side on one of the 2 tanks (sides of radiator ) unscrew drain plug and let drain into a pail or pan ( 2 gallon ) after it drains remove lower radiator hose. use a garden hose and fill radiator and let it flush for a little, hook lower radiator hose back, tighten drain plug and fill with a 50/50 mix new antifreeze,

Feb 07, 2011 | 1996 Ford Taurus

1 Answer

Can you use a prestone flush and fill kit without opening the radiator drain **** or removing hoses?


No, the flush kit is mounted on the heater hose and you need to drain the system. Removing the lower radiator hose and termostat is the best method for flushing draining the coolant system.

Nov 11, 2010 | 1996 Ford Taurus

2 Answers

How to drain and flush radiator


at the bottem on the left or the side there is a small key like screw ( righty tighty lefty lucy } then u must remove the radiator cap and also remove the themastate be sure to attach the therma housing and hose and unatch it at the top of the radiator the put water hose in the open cap area and flush for 20 mins turn on engine and let run for 2 min and repeat flushing untill all antifrez desapears. be sure to put every back tack pitchures as you remove so to put back the same way it might be good to get new thermastate

Jun 25, 2010 | 1998 Ford Taurus

1 Answer

How do i drain the radiator and flush out on a 1999 chevy blazer?


open the drain valve on the bottom inside of the radiator, run the engine with the garden hose in the radiator cap, have the heater switched on high temp.  After the water comes out clean, turn off engine and let all water drain out.  Replace with 50/50 mix if distilled water and antifreeze.  Collect old antifreeze as it is very toxic and poisonous. 

Mar 11, 2009 | 1999 Chevrolet Blazer

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