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Too much antifreeze ?

Discussion in '2nd Gen. Tacomas' started by george3, Nov 8, 2010.

  1. george3

    george3 [OP] Well-Known Member

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    I took a gal of antifreeze out of the radiator but couldn't get a full gal back in. I ran it to work, let it cool and got a little more in but still have little left. Should I be at all concerned ? Thanks. Curious George.
     
  2. DriverSound

    DriverSound Señor Member

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    Did you run it with the heater on and the cap off?
     
  3. george3

    george3 [OP] Well-Known Member

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    No. With the heater on and the cap on, going to work. If I ran it with the cap off the antifreeze would fly all over the place. Maybe I'm missing your point.
    Thanks.
     
  4. DriverSound

    DriverSound Señor Member

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    Well, that will happen if you don't put the cap back on.

    I always run mine without the cap on and heater on and after a few minutes, I can put more fluid in until the fluid keeps going down. Now when it's full and it starts to overflow, time to put the cap back on.

    Putting the cap back on and running it traps air in the system.
     
  5. george3

    george3 [OP] Well-Known Member

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    Thanks. I'll give that a try in the driveway.
     
  6. Janster

    Janster Old & Forgetful

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    It sounds like you have to 'BURP' the system to get the air bubbles out.

    Basically, radiator cap off.... let vehicle idle long enough until it gets hot enough to open up the thermostat. You can actually touch the big radiator hose near the engine and feel the fluid cycling. At this point, watch the fluid at the radiator cap and it'll probably drop. Hopefully you've got enough in there that it won't drop down too much. Add more fluid. Continue to watch... The system will cycle the fluid and the air bubble shoud eventually work themselves out.

    Search www.google on 'burping the coolant' - should be lots of info out there.
     
  7. george3

    george3 [OP] Well-Known Member

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    Thanks Jandy for the details. Appreciate it.
     
  8. george3

    george3 [OP] Well-Known Member

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  9. BH15001

    BH15001 Well-Known Member

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    Do what Janster said and also have the truck parked facing up hill while you are burping.
     
  10. george3

    george3 [OP] Well-Known Member

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    Thanks. I didn't get anything when I tried burping it so I just put the extra in the overflow tank. No problems so far.
     
  11. wildjerseyfirefighter

    wildjerseyfirefighter I sell fishing and fishing accessories

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    thats actually what the over flow tank is for. If the coolant in the system gets low, it SHOULD pull it from the over flow tank, back into the system, and vice versa..If the coolant is to much, it SHOULD spew off into the over flow tank.
     
  12. Mod

    Mod Well-Known Member

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    if it's just a overflow tank, none will go back in,, and I think those systems are a partial recovery, but not a full recovery. you might want to still keep a eye on the level for a bit, pack that jug with you. you still might have a big air pocket trapped somewhere.

    Next thermostat change, drill a small 1/8" hole in the flanged area of the thermostat. The open area flange part needs to touch coolant so the drilled hole can burp the system as you refill. this trick allow complete block fillage, and allows any possbily trapped air pockets to purge out quickly. it wont affect anything except getting the air pockets out.

    once you the drill the thermostat, whatever you take out, will go back in.
     
  13. george3

    george3 [OP] Well-Known Member

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    That's a new one on me. Learn something every day or at least try to.
     
  14. aficianado

    aficianado Well-Known Member

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    this a 50/50 mix? or do you still need to get water in?
     
  15. george3

    george3 [OP] Well-Known Member

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    You can buy premixed of straight. I bought straight and mixed it with 50% distilled water.
     
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