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    PAULIE's Avatar
    PAULIE Posts: 14, Reputation: 1
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    #1

    Dec 6, 2006, 11:52 AM
    1994 buick lasabre overheating
    Can someone please help me to find out why the car is overheating. I know it isn't the fans or the water pump, could it be the thermostat and if so where do I locate the thermostat to change it
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #2

    Dec 6, 2006, 12:26 PM
    It could be a stuck thermostat or mineral buildup and/or corrosion in the small radiator tubes. You want to only use a 50/50 mixture of recommended antifreeze and distilled water. Never use tap, well, or softened water in a modern-day cooling system; otherwise, mineral buildup will develop. If this happens, remove the radiator and get it rodded or buy a new one. Change antifreeze every 3 years.

    Thermostats are located in the thermostat housing, which is located where the top radiator hose attaches to the engine.
    PAULIE's Avatar
    PAULIE Posts: 14, Reputation: 1
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    #3

    Dec 10, 2006, 11:18 PM
    I changed the thermostat in the car but it still ran hot should I flush out radiator? I took top hose off motor water comes out,does this mean that it still might be small hoses? And yes there is a lot of gunk in the radiator at this present time please help because I bought a water pump to change,but don't really want to because it involves a lot as you might know.
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #4

    Dec 11, 2006, 07:48 AM
    Yes, flush the whole system. Again, you may find you have to have the radiator rodded or replaced. I would go for a new radiator, if the flushing doesn't do the trick.
    PAULIE's Avatar
    PAULIE Posts: 14, Reputation: 1
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    #5

    Dec 12, 2006, 03:34 PM
    Never mind turns out it is a blown head thanks anyway
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