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+05 4cyl Coolant Replacement

Discussion in '4 Cylinder' started by afd23a, Aug 31, 2010.

  1. Aug 31, 2010 at 8:11 AM
    #1
    afd23a

    afd23a [OP] Well-Known Member

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    The Dynamo of Dixie
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    Has anyone drained the coolant on the 2TR-FE? I'm coming up on 100k and plan on replacing the factory coolant.

    I've located the drain on the radiator and the one on the engine block. Bought three gallons of the Toyota premixed pink coolant. Read the pages in the service manual on draining the coolant.

    What I'm not sure about is if I drain from those two points is that going to get all of the old coolant out. Will it really matter if there is some of the old coolant left in the block or heater core? I don't want to do a flush because that will leave water in the system and would dilute the new premixed coolant. Anybody have any advice?
     
  2. Aug 31, 2010 at 8:16 AM
    #2
    Taco505

    Taco505 Well-Known Member

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    well i havent done it one my truck just yet, but i believe that the plugs from the radiator and the block will get the majority of it out but not all of it.

    also you may want to undo the tubing that is connected to the bottom of the radiator there is always a bit still in there.

    other than that i really dont think that having a little bit of old coolant is bad at all but its your call man let us know how it goes!
     
  3. Aug 31, 2010 at 12:18 PM
    #3
    VTDave

    VTDave Well-Known Member

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    As long as you're refilling the system with the same Toyota OEM coolant, I don't see a problem with a small amount of the old stuff staying in there.

    The main purpose of draining and refilling this type of coolant is to renew its ability to form a protective layer on metal components that serves as a barrier to corrosion.

    If you end up with 90% new coolant in the system, that's enough to renew the protective barrier.
     
  4. Sep 1, 2010 at 5:09 PM
    #4
    Kelson

    Kelson My Truck is Cuter than Yours

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    how much is the toyota coolant from the dealer? i'm running kinda low cause my A$$hole friends opened up my coolant resivor when i was under my truck....and like half the tank leaked out when i started the truck up...
     
  5. Sep 1, 2010 at 6:17 PM
    #5
    VTDave

    VTDave Well-Known Member

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    I think I paid ~$25/gallon at the stealership, pre-mixed 50/50 with water. Yes, the price is steep, but if you're flushing it only every 4-5 years, not a big deal.
     
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