96 Outback; overheating problem

Discussion in 'Subaru Outback' started by RAJP53, Dec 14, 2003.

  1. RAJP53

    RAJP53 Guest

    The temp. gauge on my 160k miles '96 Outback is suddenly showing hot. Cold air
    comes out instead of hot. The thermostat, the radiator and the sensor were all
    changed. It still reads between the middle and beyond "H". There is no
    reduction in performance but still cold air comes out. The engine does not
    overheat and smoke. He showed me on a laser pointer thermometer that the
    engine temp is 229 degrees with the radiator as 140 degrees. He says that's
    all normal. The mechanic now says it may be the gauge. Would that be the case
    even with the cold air. Any ideas? Thanks for the attention.
    Ric
     
    RAJP53, Dec 14, 2003
    #1
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  2. RAJP53

    Pete D Guest

    Air bubble, cooling system needs to be bled. Happens because the heater
    raidiator is mounted so high in the dash.


    The temp. gauge on my 160k miles '96 Outback is suddenly showing hot. Cold
    air
    comes out instead of hot. The thermostat, the radiator and the sensor were
    all
    changed. It still reads between the middle and beyond "H". There is no
    reduction in performance but still cold air comes out. The engine does not
    overheat and smoke. He showed me on a laser pointer thermometer that the
    engine temp is 229 degrees with the radiator as 140 degrees. He says that's
    all normal. The mechanic now says it may be the gauge. Would that be the
    case
    even with the cold air. Any ideas? Thanks for the attention.
    Ric
     
    Pete D, Dec 14, 2003
    #2
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  3. RAJP53

    RAJP53 Guest

    Thanks Pete D. Bled it, but still the gauge goes up, however not smoke, no
    loss in performance. The engine and radiator are still running at temperatures
    noted in my earlier message. Should I ignore the gauge or not? Could it be
    something else? Thanks for the time and ideas.
     
    RAJP53, Dec 17, 2003
    #3
  4. RAJP53

    Pete D Guest

    What some do is drill a small hole in the top of thethermostat (1/16") to
    allow proper bleeding. You can also run clear tubes from both the radiator
    cap and the bleed hole and check if there is an air leak, if there is any
    indication of air bubbles when the car has been running with setup it could
    be a headgasket leak. If the heater is running cold then it is not bled
    properly, try running it up some ramps then bleed again, it can take a lot
    of mucking around to get it right, don't assume you have until the heater
    works again.

    Cheers.

    Pete D


    Thanks Pete D. Bled it, but still the gauge goes up, however not smoke, no
    loss in performance. The engine and radiator are still running at
    temperatures
    noted in my earlier message. Should I ignore the gauge or not? Could it be
    something else? Thanks for the time and ideas.
     
    Pete D, Dec 19, 2003
    #4
  5. RAJP53

    RAJP53 Guest

    Thanks, Pete
     
    RAJP53, Dec 20, 2003
    #5
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