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1990 Cadillac DeVille Question: turn on AC coolant temp light comes on

 

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rudygp, Phoenix, AZ, April 12, 2012, 15:39
 Rookie

...when turn AC off the light turns off....its a 87 cadillac deville...

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  • Answer #1

    Greg's Orange Auto (12860 Answers) , Orange, CA - (714) 361-9386
    globalhelper April 13, 2012, 06:58
     Master

    when you turn a/c on how long b4 the coolant temp light comes on?

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    rudygp, April 13, 2012, 07:13
     Rookie

    ..about ten minutes

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    globalhelper, April 13, 2012, 07:18
     Master

    have you ck'd your coolant level. maybe the car is starting to overheat or the a/c cooling fan is not working properly

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