How To Refill Coolant After Draining

How To Refill Coolant After Draining. Then finish filling the radiator. If you are concerned about the minerals in tap water, you can always use distilled water instead.

How to Drain and Refill Coolant 20042008 Audi A4 (B7) (2004, 2005
How to Drain and Refill Coolant 20042008 Audi A4 (B7) (2004, 2005 from www.ifixit.com

Use the same color antifreeze that’s in there now. I use distilled water because i think the chlorine and other additives in the tap water aren't good for the coolant or my engine. After you drain the system, make sure the petcock is fully closed before adding the new coolant.

Modern Automotive Cooling Systems Should Not Need Flushed Or Drained, So Long As They Are Filled With Only Quality Modern Antifreeze And Distilled Water.


This is found on the bottom of the radiator. Filling the cooling system with a vacuum cooling system filler is the preferred method. This will make sure there is no pressure in the system and it will allow air to enter the system while draining.

+1 I Flush The Entire System First With Tap Water Then With Distilled Water.


After a short while, your central heating system will. I then fill the remaining amount with distilled water. At this point, you will be ready to refill your central heating system.

To Refill A Completely Drained System, First Top Off Your Coolant Tank.


Locate the drain plug and loosen. After a half hour, check the level in the coolant reservoir and add coolant as required. Assume that draining the radiator only removes 30% of the total coolant (fairly close to typical).

Start And Run The Engine Until Fully Warmed Up, Then Shut Down And Allow To Cool Completely.


Release the pressure inside the cooling system by pushing down and slowly twisting the cap counter clockwise. Leave the car raised while you refill the radiator to reduce the possibility of air pockets forming in the engine. After a top up with water and engine operation to mix, the second drain will leave in 49% of the old coolant (24.5% antifreeze).

Start The Engine And Let It Run.


When refilling the engine coolant after a flush procedure, use a mixture of motorcraft® orange antifreeze/coolant concentrated and distilled water to get to the desired concentration. Go round each radiator and close every bleed valve and drain valve and, if you have a feed and expansion tank, release the ball valve. While the engine is still idling, add coolant to the radiator until it’s full and shut the engine off and install the radiator cap.

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