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Old 03-17-2004, 01:19 PM
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car overheating after radiator hose fell off

ok hopefully this isnt a reposted question but here goes
i drove to bw3s came out after eating and found antifreeze all over the ground drove five minutes before i realized it was mine and pulled into a friends uncles house. apparently the bottom radiator hose had come off the water pump on my 65 malibu SS.
now the car is filled with one gallon of antifreeze and 2 gallons (APX.) water. now everytime i drive it it shoots up to such a hig temp (gauge gets pegged) and stays high. any ideas whats goin on i really need help here. could there be an air pocket causing this or maybe i messed up the thermostat?

thanks

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Old 03-17-2004, 01:28 PM
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Try the simple stuff first. Stuck thermostat, collapsed hose, no water circulation. Then you get into the real problems from running with no/low coolant. Head gasket blown, head/block warped or cracked. I hope its the easy stuff.
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Old 03-17-2004, 05:58 PM
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so how do i check for that stuff and fix it. like the stuck thermostat or collapsed hose what do i do?
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Old 03-17-2004, 06:03 PM
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The thermostat can be placed in boiling water..but honestly for the price of one you might as well replace it, a collapsed hose will also need replaced
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Old 03-17-2004, 10:06 PM
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Run the car for a few mins. Feel your top hose. Then feel your bottom. They should feel the same temp. If not then you have either a stuck thermo or a blockage in the rad somewhere. Pull off the rad cap and verify your getting some amount of flow.
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Old 03-17-2004, 10:31 PM
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A quick and easy check would be to remove the thermostat and start the car if it doesn't heat up right away it is probably a bad thermostat. Buy a new one and replace it, it is not a good idea to drive a car with no t-stat.

You might also want to check you sending unit to make sure the wire is not sitting on the exhaust or something. I had a buddy call me saying his car was over heating and he needed help, well it turns out his electric gauge had the wire sitting on the header, the car was not actually over heating.

In your case since the hose blew/fell off, I would suspect a stuck t-stat. Hopefully the drive after the fact didn't do any damage.

Be careful and do NOT open a hot radiator cap. If the hoses are hard do not open the cap. I have seen some nasty burns occur do to not respecting hot coolant/water.
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Old 03-18-2004, 01:57 AM
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Don't no how true it is but I feel that anytime I overheat for radiator or belt or pump problem I change out the stat, I feel they have a tendacy to warp and act improperly. On some vehicles after you loose the water it is necessary to burp out all the air I know it is that way on my Jeep cherokee. Untill the air is out it act like a bad head gasket and over heats. till the air pockets are removed Ed ke6bnl
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Old 03-18-2004, 05:35 AM
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Could VERY well be an air pocket.
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Old 03-19-2004, 05:25 PM
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so how do i "burp out" an air pocket just run water and antifreeze through it or somethin

thanks alot for all the help i really appreciate it
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