Temp gauge bouncing

Rleptrone Oct 9, 2017

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  1. Rleptrone

    Rleptrone Test Drive

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    1
    my daughter called from me college yesterday and said her temp gauge on her '05 4.0L would jump to hot when accelerating and go back to normal when cruising or sitting at a traffic light. She said the AC also started blowing warm air when accelerating. Any suggestions where to start.
     
  2. Prime

    Prime Some Kind of In Charge? Admin

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    Fan clutch is most likely. Could also try looking at the electric helper fan.

    If the engine overheats the AC will run warm.
     
  3. borclok

    borclok Test Drive

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    35
    My car is doing the opposite. After driving around for at least 45 minutes, the temp gauge will go up at an idle, and then back down when I get to cruising speed. All fluids are topped off.
     
  4. Prime

    Prime Some Kind of In Charge? Admin

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    30,440
    Location:
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    That almost sounds like a clogged radiator.
     
  5. borclok

    borclok Test Drive

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    35
    radiator has already been replaced and it's still doing the same thing ; ;
     
  6. JeffPro4x

    JeffPro4x Titan Swapped / SAS'd Moderator Supporting Member

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    Fan clutch.
     
    borclok likes this.
  7. JeffPro4x

    JeffPro4x Titan Swapped / SAS'd Moderator Supporting Member

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    This sounds like a low coolant issue to me.
     

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