drain antifreeze from block | FerrariChat

drain antifreeze from block

Discussion in '308/328' started by F&M racing, Nov 23, 2007.

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  1. F&M racing

    F&M racing Formula Junior

    Feb 26, 2006
    668
    Michigan
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    JimF
    #1 F&M racing, Nov 23, 2007
    Last edited by a moderator: Sep 7, 2017
    I'd like to drain the antifreeze from the engine block, it appears there is a radiator like drain screw on the right rear (Pass.side) see attached picture yellow arrow. Is this the only one?

    Jim
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  2. Pizzaman Chris

    Pizzaman Chris F1 Rookie

    Mar 13, 2005
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    Jim,

    That's the only one i saw when i drained mine.

    What you should do, is in the front access panel there is a small rubber line that runs into the aluminum pipe, go get one of those Antifreeze package deal things and there should be a "T" in there.

    You cut the rubber one, make sure you have a 5gl bucket to catch the big gush of antifreeze, and place the "T" in between. You now have a drain plug for next time.:)

    BTW When you unscrew the one on the block it will make a big mess cause it falls on the exhaust and all over the place. Be prepared, cause there will be alot in there.

    Good luck.
     
  3. F&M racing

    F&M racing Formula Junior

    Feb 26, 2006
    668
    Michigan
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    JimF
    Thanks Chris,
    I already removed that hose under the front access panel, I'm going to change all the coolant hoses. Need to drain the block now, last owner put near 100% antifreeze in the system, car is sitting all winter in a cold garage. I should of checked the antifreeze last winter but I didn't get a chance I figured no one puts near 100% antifreeze in a car but they did. I did run a heater in the garage a few weeks when it got real cool, hopefully everything is ok.

    Jim
     
  4. Verell

    Verell F1 Veteran
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    May 5, 2001
    7,024
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    Verell Boaen
    TIP:
    In addition to Chris's tips, you should:
    1)After it's drained awhile, remove the coolant reservoir cap
    2)Remove the thermostat bleed bolt (or just loosen it if you've got one of my EZBleed bolts).
     
  5. chairpilot

    chairpilot Formula 3

    Mar 3, 2007
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    PlateClipGuys

    How much are your ez bleed bolts Verell (saw your 11/07 post reply on coolants)?
    Do you have a picture of one?
     
  6. Herman Ronald

    Herman Ronald Karting

    Feb 23, 2014
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    #6 Herman Ronald, Oct 18, 2015
    Last edited by a moderator: Sep 7, 2017
  7. miketuason

    miketuason F1 World Champ
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    Feb 24, 2006
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    Mike
    #7 miketuason, Oct 18, 2015
    Last edited by a moderator: Sep 7, 2017
    Drain it from the heater hose located on the bottom front under by the battery tray. It's the one connected to one of the main coolant pipe, it's about 3/4" or 19mm. This is also one of the lowest part of the cooling system.
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  8. 2NA

    2NA F1 World Champ
    Consultant Owner Professional Ferrari Technician

    Dec 29, 2006
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    Tim Keseluk
    You're looking in the wrong place.
     
  9. Herman Ronald

    Herman Ronald Karting

    Feb 23, 2014
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    #9 Herman Ronald, Oct 18, 2015
    Last edited by a moderator: Sep 7, 2017
    Thanks, i did that already, after the pipes/radiator draining i did the block draining, i found it, it was the upper bolt (no drainingplug)
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  10. Herman Ronald

    Herman Ronald Karting

    Feb 23, 2014
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    Ronald
    another 2 gallons coolant out of the engineblock!
     
  11. Ehamilton

    Ehamilton F1 Rookie
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    Jun 13, 2010
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    The local chain FLAPS will have a funnel with a long neck, just right to wdge up against the block under the drain fitting. Stick an old length of heater hose over the neck, you can drain it right into any convenient container.
     
  12. SeattleM5

    SeattleM5 Formula 3
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    Ettore Palazzo
    #12 SeattleM5, Oct 19, 2015
    Last edited by a moderator: Sep 7, 2017
    I used to go this route when draining the block on my 328 but even with the long narrow funnel I found it to be a messy affair. I got sick of the mess and modified the existing drain plug by putting a petcock drain through it. Now draining the block is super simple.
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  13. i-velocita

    i-velocita F1 Rookie
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    Sep 9, 2006
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    Thats pretty slick!
     
  14. Ehamilton

    Ehamilton F1 Rookie
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    Even better! I like.
     
  15. SeattleM5

    SeattleM5 Formula 3
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    #15 SeattleM5, Oct 20, 2015
    Last edited by a moderator: Sep 7, 2017
  16. Herman Ronald

    Herman Ronald Karting

    Feb 23, 2014
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    Ronald
    If Enzo could speak, he was speechless. ...he had a tear of joy.
    molto bene
     
  17. Herman Ronald

    Herman Ronald Karting

    Feb 23, 2014
    197
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    Ronald
    If Enzo could speak, he was speechless. ...he had a tear of joy.
    molto bene
     
  18. kurtbob

    kurtbob Karting

    Jun 2, 2013
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    Augusta, GA
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    Kurt
    Could you please tell me the size or a part number for the petcock?
     
  19. SeattleM5

    SeattleM5 Formula 3
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    My apologies Kurt, off the top of my head I can't remember what brand/size of petcock I used. My notes are all down at my Dad's machine shop where I performed the 'surgery.' If there's any interest from the Fchat community I can see what it would take to get some more of these made up. I think the biggest challenge might be getting spare drain plugs. I remember at the time I tried to purchase two from Ricambi in the event that I messed up but only one was available for purchase.
     
  20. Skippr1999

    Skippr1999 F1 Rookie
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    Dec 22, 2009
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    I'd be interested for sure.
     
  21. ZOOOOMZ

    ZOOOOMZ Karting

    Aug 14, 2013
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    Tim Cronin
    The inline petcock is included with the Dave Helms hose kit, if you are replacing your hoses.
     
  22. ZOOOOMZ

    ZOOOOMZ Karting

    Aug 14, 2013
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    Tim Cronin

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