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Winter transmission heater

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Voodoo Rufus, Jun 14, 2011.

  1. Jun 14, 2011 at 1:39 PM
    #1
    Voodoo Rufus

    Voodoo Rufus [OP] Well-Known Member

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    In very cold areas with arctic winter weather of -20F or lower, is there any benefit to using a pad heater of 100W range to keep the automatic transmission warmer than ambient? I drove my truck in that weather and never had any issues with the transmission shifting, but was curious anyway.

    I have the block heater installed and intend to install an oil pan heater, with a battery warmer and maintainer on a temperature thermostatic plug.
     
  2. Jun 14, 2011 at 1:42 PM
    #2
    wiscdave

    wiscdave Lets Do It!

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    very interesting..my MPG suck bad in the winter. Everylittle bit would help I imagine.

    Get a timer to go off extension cord like 30mins before you drive and in theory it should help. Now would the cost of electricity exceed the benefits??
     
  3. Jun 14, 2011 at 1:45 PM
    #3
    Voodoo Rufus

    Voodoo Rufus [OP] Well-Known Member

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    I plug my truck in at work, no cost to me.
     
  4. Oct 27, 2011 at 10:53 PM
    #4
    LifeIsGood169

    LifeIsGood169 Well-Known Member

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    How did this work out for you? The block heater, oil pan heater, battery heater, and transmission heater? Any pictures/advice? I'm thinking about doing this before this winter hits. It snowed today and it's freaking October and we are already at 30F. Last winter was real bad too.
     
  5. Oct 28, 2011 at 2:33 AM
    #5
    Voodoo Rufus

    Voodoo Rufus [OP] Well-Known Member

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    I think we'll find out in a couple months. I don't think it's a necessary thing, but it's a fairly cheap mod that surely can't hurt. The normal 250W pad heaters are too large for the V6 oil pan, so I was thinking about installing a pair of 125W heaters or maybe a single one instead.
     
  6. Oct 28, 2011 at 7:23 AM
    #6
    supralight

    supralight Well-Known Member

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    Since I have my scangauge to show transmission oil temperature, I can say that at these low temperatures we are getting right now up north, It takes quite a bit for the TFT temp to go above 100F... Maybe it could help a bit on fuel economy.

    Also, speed treshold for converter lock-up in fifth speed is higher when transmission fluid temp is very low. Normally my converter locks up from 50 KM/H, but when it's cold outside, even at full engine temperature, my converter locks up only from 62-63 KM/H, untill later when the TFT is higher. This has some impact on city MPG.
     
  7. Oct 28, 2011 at 7:26 AM
    #7
    Pugga

    Pugga Pasti-Dip Free 1983 - 2015... It was a good run

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    I wouldn't think there's much benefit to warming an auto transmission, they build up heat pretty quickly. As far as the engine goes, I believe the 4.0L comes ready to accept a block heater. Just buy the OEM block heater, drop it in and done. There's a plugged hole in the back of the engine made to accept the block heater.
     
  8. Oct 28, 2011 at 7:32 AM
    #8
    TacomaPrime

    TacomaPrime Cybertronian Tacoma

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    Know of anywhere to buy the oem engine block heater cheap?
     
  9. Oct 28, 2011 at 7:38 AM
    #9
    Pugga

    Pugga Pasti-Dip Free 1983 - 2015... It was a good run

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