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  • Automotive Quick Tip: Heater Check
  • From "Ask DIY"
    episode ADI-608
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    Click here to view a larger image.

    Figure A

    Click here to view a larger image.

    Figure B

    If you find that your car heater is taking too long to heat up, check your radiator. Here's a brief troubleshooting checklist from automotive expert Trisha Hessinger.

    • First, check the radiator to make sure it contains enough coolant.

    • Remove radiator cap, start engine and insert a thermometer into the coolant ( figure A). It should reach at least 180 degrees Fahrenheit -- if it doesn't, you probably have a bad thermostat.

    • Next, check the interior heat vents. Place the thermometer in the vents and turn the heat on full blast. The temperature should reach about 100 degrees.

    • Finally, check the radiator hoses (figure B), which should be hot to the touch. If the hoses aren't hot, you could have a problem with the heater core or water control valve.


    RESOURCES :

    Auto Repair for Dummies
    Author: Deanna Sclar
    ISBN: 0764550896

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