WRX 2002 Overheating
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This is a discussion on WRX 2002 Overheating within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; 2002 Impreza WRX Overheating. ------------------------------------------------------------------------------ Car overheated - Changed Thermostat and bottom Hose. Burped Car. Car would run at idle ...

  1. #1
    Registered User
    Join Date
    Apr 2013

    WRX 2002 Overheating

    2002 Impreza WRX Overheating.
    Car overheated - Changed Thermostat and bottom Hose.

    Burped Car.
    Car would run at idle Ok
    Drive1000 Yards the Car moves to Red fast

    Fans were working.
    Water Pump ok
    Radiator with Hoses at Cool and Hot.

    Continued to Burp.
    Could not get rid of Bubbles.
    Replaced Radiator Cap.

    Bubbles gone.


    • Replaced Thermostat Sensor which changed everything.

    • Car now overheats after 20 - 30 Secs.

    Before Sensor replaced
    Water Pump ok
    Thermostat ok
    Fans were coming on
    Car fine at Idle.
    Got to head out now but would appreciate any help.

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  3. #2
    Registered User UEDan's Avatar
    Join Date
    Oct 2011
    Santa Ana, CA
    When revving the engine are there bigger bubbles?
    Sounds like a head gasket problem. My Civic did the same.

  4. #3
    OMG WTF MainFrame's Avatar
    Join Date
    Sep 2002
    Texas, United States
    I Support ClubWRX I Support ClubWRX
    If it ever overheated very badly then it's likely the heads and/or block are warped and the head gasket is blown.

  5. #4
    Registered User
    Join Date
    Apr 2013
    Bubbles were solved by changing Radiator Cap
    Car did not Overheat long at all I was lucky I caught it early.
    But I'm no Mechanic. Before replacing 'Coolant Sensor' when Car would idle the Bubbles were no longer visible. I'm going to wait until Monday for any new Info then take it in for a Diagnostic check if I have not solved thanks

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