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    jvierra's Avatar
    jvierra Posts: 3, Reputation: 1
    New Member
     
    #1

    Feb 28, 2008, 06:43 PM
    Silicon heat transfer grease
    I'm installing a engine block heater into a Toyota Prius. I need to get some silicon heat transfer grease, but everything I find is geared towards electronics. Does anyone know what I could use for an engine block heater installation?

    Thanks
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
    Uber Member
     
    #2

    Feb 28, 2008, 07:07 PM
    http://www.permatex.com/products/aut..._with_PTFE.htm

    Silicone based anything is very bad for oxygen sensor. They should not be used.
    Note the above link suggests temperature sensors as an application.
    jvierra's Avatar
    jvierra Posts: 3, Reputation: 1
    New Member
     
    #3

    Feb 28, 2008, 07:39 PM
    I don't need thread compound. The EBH doesn't screw in. It snaps in place. It came with a tube of silicon heat transfer grease which you coat the EBH with before you slide it in its location on the block. It's for helping heat transfer from the heater to the block.
    CaptainRich's Avatar
    CaptainRich Posts: 4,492, Reputation: 537
    Cars & Trucks Expert
     
    #4

    Feb 29, 2008, 06:19 AM
    Quote Originally Posted by jvierra
    I'm installing a engine block heater into a Toyota Prius. I need to get some silicon heat transfer grease, but everything I find is geared towards electronics. Does anyone know what I could use for an engine block heater installation?

    Thanks
    You are referring to the engine block heater that operates in the cooling system to keep the coolant warm to prevent freezing?
    How is it being installed? Does it press into a freeze plug opening? If that is the case, liquid teflon should suffice. Did you check with the block heater manufacturer?
    The heat transfer is more to the coolant than to the engine block.
    jvierra's Avatar
    jvierra Posts: 3, Reputation: 1
    New Member
     
    #5

    Feb 29, 2008, 03:16 PM
    Thanks. It does go into the engine block, but it has a machined hole to go into. It doesn't replace a freeze plug. And it doesn't go into the coolant.
    Weegieb's Avatar
    Weegieb Posts: 1, Reputation: 1
    New Member
     
    #6

    Oct 29, 2010, 08:18 PM
    http://www.grainger.com

    Search heat transfer paste.
    kitch428's Avatar
    kitch428 Posts: 1,440, Reputation: 152
    Ultra Member
     
    #7

    Oct 30, 2010, 02:12 PM

    Just FYI to anyone reading this thread, The Toyota Prius has a coolant storage tank which keeps coolant stored over 100* up to 36hrs.
    First gen Prius does not.

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