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Thread: Pictures of Roadsters being serviced in Menlo Park

  1. #11
    Senior Member W.Petefish's Avatar
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    Not what I was looking at. The closeness of the motor to the jacket. Definitely closer than on my 2.5, and looks to have no visible cooling fins.
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  2. #12
    Quote Originally Posted by doug View Post
    Though, that "Needs to be topped up with ATF" note is interesting.
    ATF=antifreeze?
    automatic transmission fluid?
    What kind of oil are they using in the diff?
    My guess wold be Automatic Transmission Fluid. I think that is sometimes used in special purpose gearboxes.
    Automatic transmission fluid - Wikipedia, the free encyclopedia
    ...ATF is also used as a hydraulic fluid in some power assisted steering systems, as a lubricant in some 4WD transfer cases, and in some modern manual transmissions...
    The ESS (battery/box) uses anti-freeze, but I think the ATF acronym is typically used for Automatic Transmission Fluid, not AntiFreeze.
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  3. #13
    Quote Originally Posted by doug View Post
    ...That's the standard Roadster 2.x motor....
    I think the red "S" on the side indicates Sport motor...
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  4. #14
    Head Moderator / Administrator doug's Avatar
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    Quote Originally Posted by TEG View Post
    My guess wold be Automatic Transmission Fluid. I think that is sometimes used in special purpose gearboxes.
    Automatic transmission fluid - Wikipedia, the free encyclopedia
    The ESS (battery/box) uses anti-freeze, but I think the ATF acronym is typically used for Automatic Transmission Fluid, not AntiFreeze.
    Yeah, this was my point. I figured automatic transmission fluid, particularly since the note was on the transaxle end. Only humored with antifreeze because of Petefish's liquid cooled suggestion.

    Quote Originally Posted by W.Petefish View Post
    Not what I was looking at. The closeness of the motor to the jacket. Definitely closer than on my 2.5, and looks to have no visible cooling fins.
    Looks normal to me. That black air duct is partially covering the motor. You have to look from the side to see the cooling vanes.

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    Quote Originally Posted by TEG View Post
    I think the red "S" on the side indicates Sport motor...
    That's been the speculation for a while. Though I thought there was a report of a non-Sport Roadster with a motor that still had that S on it. At any rate, I said "normal" to mean air cooled.

  5. #15
    They have revised the cooling ducts on the motor over the years. And I don't think we have seen the last of the cooling updates...
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  6. #16
    mod squad bonnie1194's Avatar
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    Quote Originally Posted by TEG View Post
    And I don't think we have seen the last of the cooling updates...
    +1.

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