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  1. #1
    New Member
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    May 2006
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    17
    Location
    Welch, Minnesota
    Tractor
    JD 3203

    Default Block Heater Install questions

    Yes, another block heater question. But with a couple specific questions.
    First, what is this hose in the '3203 hose' picture? The one with the two spring hose clamps holding it on? It appears to be easily removable, but I would like to know what is inside before I just have at it. The removable section links two hard pipes, one comes from the front of the engine area and the other runs to the rear axle area. I'm pretty sure it is not a liquid in there, but I would like to be very sure.
    The second question; do I need to drain the coolant from the block and radiator before removing the plug in the block? The plug can be seen in the '3203 plug' picture. How much coolant would I lose if I didn't and how much mess would it make?
    I plan on doing this tonight because it is going to be below 0F and that just seems to be the way I do things. Garage door openers for instance, I've installed 6 of them so far and I think it hasn't been warmer than 35F for any of them. This heater install will be performed outside in the driveway, by the way, can't get the ROPS in the garage.
    Thanks for your help.
    Matt
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  2. #2
    Veteran Member
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    Aug 2007
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    1,371
    Location
    Mid-Coast Maine

    Default Re: Block Heater Install questions

    I don't know for sure, but it sure looks like some sort of radiator hose. In which case when you pull it you will likely dump at least 1/2 of your radiator coolant. That is my best guess without more info.
    No idea on the plug. sorry.
    Jim

    - '01 Husqvarna W4814- 48" walk behind lawn mower.
    - '04 John Deere Z-Trac 727A- 54" ZTR
    - '13 Kioti DK40 HST - KL401 loader, DK40 72" QA bucket, LK3054 60" QA bucket, toothbar for 60" bucket, dual rear remotes, 7ft 6 way rear blade, 78" ETA Box Blade, Woods BH-90x backhoe, loaded rear tires, Kioti Canopy.

  3. #3
    Veteran Member easygo's Avatar
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    Mar 2007
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    1,402
    Location
    Eddington, Maine
    Tractor
    Kubota B7800

    Default Re: Block Heater Install questions

    Matt,

    I hope you drained the coolant before doing the heater install. I'm sure you are aware that the active ingredient in coolant/antifreeze is highly poisonous. It apparently tastes sweet and animals and sometimes children do die from drinking it. So don't just drain it out into your driveway.
    It's the going that counts not the distance!

  4. #4
    Super Member Iplayfarmer's Avatar
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    Jul 2005
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    5,230
    Location
    Idaho
    Tractor
    Massey Ferguson 1215, Toro 266-H, Pennsylvania Panzer, Case 444, Craftsman 14/6

    Default Re: Block Heater Install questions

    I put in a block heater 3 times. I learn a lot from doing things. I learn a lot more from doing things wrong.

    This thread has some of the details: http://www.tractorbynet.com/forums/p...t=block+heater

    I'm probably too late to help you out but just in case, here are two things that I learned...

    1) Drain the coolant. You'll end up draining it all anyway. You might as well do it in a controlled manner.

    2) Clean the hole out really good before you go putting the heater in. A little emery paper may even be in order. If that hole is good and smooth, you'll have no problem getting a good seal.
    From now on I will only buy cars that are a silver/grey color. Then I can make all body repairs with Duct Tape.

  5. #5
    New Member
    Join Date
    May 2006
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    17
    Location
    Welch, Minnesota
    Tractor
    JD 3203

    Default Re: Block Heater Install questions

    Right, well, I forgot that I have tomorrow off, so I'll probably do the install during the daytime tomorrow.
    Concerning draining the coolant, what I guess I really meant was how much would come out off the hole. Just a little bit that I could collect in a small container, discard and replace with new, or would most of it come out of that hole. Thereby requiring a more significant means of controlling and collecting the coolant. I do know where the coolant petcocks are on the radiator and block, I'll drain both before backing the plug out.
    As for the plug hole, the JD plug and heater are threaded. You may notice in the picture showing the plug it accepts a 1/2" drive. I did get a service guy at my dealer to tell me that they just use Teflon tape on the threads for a seal.
    I'll find out for sure tomorrow, but I don't think that hose carries a liquid. It is only secured onto the hard pipe sections with spring clamps, they don't look liquid tight to me, but if I knew exactly what I was doing I wouldn't be asking questions...
    Metal constricts when it gets cold doesn't it? So at sub zero temps that plug shouldn't be to difficult to remove, right?

    Later

  6. #6
    Veteran Member easygo's Avatar
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    Mar 2007
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    1,402
    Location
    Eddington, Maine
    Tractor
    Kubota B7800

    Default Re: Block Heater Install questions

    When I installed my block heater a few weeks ago I was hoping I would not have to drain the coolant, but everyone here advised to do so. I can't speak for specifics on your tractor but I drained out close to a gallon from my small kubota. The treaded plug was in pretty tight on my tractor and it took a cheater bar to get it loose. I also used teflon tape to seal the threads on the heater and it seems to be working just fine. Good luck.
    It's the going that counts not the distance!

  7. #7
    Super Member Iplayfarmer's Avatar
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    Jul 2005
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    Idaho
    Tractor
    Massey Ferguson 1215, Toro 266-H, Pennsylvania Panzer, Case 444, Craftsman 14/6

    Default Re: Block Heater Install questions

    Quote Originally Posted by Matthew_H
    Right, well, I forgot that I have tomorrow off, so I'll probably do the install during the daytime tomorrow.
    Concerning draining the coolant, what I guess I really meant was how much would come out off the hole. Just a little bit that I could collect in a small container, discard and replace with new, or would most of it come out of that hole. Thereby requiring a more significant means of controlling and collecting the coolant. I do know where the coolant petcocks are on the radiator and block, I'll drain both before backing the plug out.
    As for the plug hole, the JD plug and heater are threaded. You may notice in the picture showing the plug it accepts a 1/2" drive. I did get a service guy at my dealer to tell me that they just use Teflon tape on the threads for a seal.
    I'll find out for sure tomorrow, but I don't think that hose carries a liquid. It is only secured onto the hard pipe sections with spring clamps, they don't look liquid tight to me, but if I knew exactly what I was doing I wouldn't be asking questions...
    Metal constricts when it gets cold doesn't it? So at sub zero temps that plug shouldn't be to difficult to remove, right?

    Later
    Threaded? Neat concept. In a coolant system it probably won't matter as much, but it's still a good idea to leave the very end thread without any teflon tape on it. The point there is to prevent any of the tape from breaking off inside the system and plugging things up.

    It seemed to me when I did my block heater that the position of the frost plug was such that most of the fuild would have to be drained. I'd plan on catching all of it.
    From now on I will only buy cars that are a silver/grey color. Then I can make all body repairs with Duct Tape.

  8. #8
    Super Member
    Join Date
    Feb 2006
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    6,138
    Location
    East PA or 750 mi. east of a short man named Dar___
    Tractor
    Kubota, AGCO, New Holland LB

    Default Re: Block Heater Install questions

    Easygo,

    I hope you don't mind me interupting this thread to say that you got one really cute little baby in that picture there!

  9. #9
    Gold Member
    Join Date
    Jan 2007
    Posts
    322

    Default Re: Block Heater Install questions

    I know this is probably too little, too late, but that hose looks kinda like an air intake hose, is there a filter at the other end? Let us know how the project came out.

  10. #10
    Silver Member jamestaylor72's Avatar
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    Apr 2007
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    111
    Location
    Ashtabula, Ohio
    Tractor
    John Deere 4120

    Default Re: Block Heater Install questions

    [QUOTE=Matthew_H]Yes, another block heater question. But with a couple specific questions.
    First, what is this hose in the '3203 hose' picture? The one with the two spring hose clamps holding it on?


    Hey Matthew, I looked up your machine in JD parts. After looking at the parts photo/schematic, I see it's listed as being a transmission/service line. I'm guessing it's a return line because of the size of the line and the lack of pressure fittings!! Hope this helps!!

    JT
    JD 4120, FEL, BrushHog, FEL forklift attachment, MarkHam Welding Toothbar, Harbor Freight Quick Hitch,,Farm Force 6ft. box blade

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