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1999 Cadillac DeVille Question: replaced thermo and waterpmp why does it run hot?

 

Question

wayne35, New Market, AL, July 23, 2012, 20:16
 Rookie

replaced the ac compressor dryer and offer tube toped off antifreez. why does it run hot with my ac on and when its off it doesnt

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  • Answer #1

    Greg's Orange Auto (12997 Answers) , Orange, CA - (714) 361-9386
    globalhelper July 24, 2012, 06:19
     Master

    ck coolant level again and then ck aux cooling fan operation

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  • Answer #2

    Chevy Power July 24, 2012, 06:21
     Journeyman

    When you say it runs hot, at what temperature is it running at? Are you seeing the temperature on the gauge or did you measure the actual temperature at the thermostat?

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  • Answer #3

    doctorfixit July 24, 2012, 11:00
     Rookie

    check aroud your top radiator hose, see if there is a bleeder valve for bleeding outair in your cooling system, if air is traped in system the engine will over heat

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