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I didnt put antifreeze in my coolant and the block froze up now its overheating after running a few mins any suggestions for diagosis?

Weve thawed and drained the block

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Is the water pump working or did you damage it during the freeze up.
Watch for coolant flow, if you have to splice in a clear piece of hose.
Head gasket?
Block damage?

Posted on Dec 30, 2012

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I've been adding water to my overflow tank due to radiator leak now everything froze overnight including all hoses are froze with ice in side hoses and radiator car started for second them cut off

Hi Darrell:
This is a not nice situation.
- If you're lucky you won't have too much damage.
- If you're not lucky there is possible damage from popped frost plugs, cracked block, broken water pump, ruined radiator.
- My recommendation.
- Thaw out engine. Depending on how low the temperatute is you might be able to do this with a blanket over and light bulb or portable heater under. Be aware of fire hazard and act accordingly. Don't put the light or heater where thawing fluid will drain onto it.
- Inspect engine to determine extent of damage. It's OK to start it for a few seconds to make sure it's working. If you let it get hot you can ruin it.
- Plan on replacing (or repairing) the radiator and putting in the correct anti-freeze coolant.
Best of luck.

Nov 23, 2015 | Cars & Trucks

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I have a 99 oldsmobile alero 2.4 engine. it froze up. i drained it after it thawed and filled w antifreeze and water. now its overheating and heater is blowing cold air. what could be wrong?

check the oil and see if there is water/antifreeze in there, the oil will be milky, if it is you will need to rebuild the motor or else get another depending on what froze up. Also, something else may still be frozen up, park the car inside a heated garage and let it warm up for a few hours and then try run it again, there may be ice blocking the coolant from getting to the motor from the radiator.

Nov 28, 2014 | Cars & Trucks

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2000 Oldsmobile alero had water in the coolant and it froze over night now it over heats and shoots the coolant out the overflow . I don't think the water pump is out. What else could be wrong?

Very serious.... don't over heat too much or your car will break..... could be the thermostat is hooped... or the water pump.... make sure the car is completely thawed.... but i'd she over heats take her to the mach.... night cost a few bucks but no car costs a lot more

Nov 19, 2014 | 2000 Oldsmobile Alero

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Why does my antifreeze just bubble a little when i have my heater turned off on my civic

Do a combustion leak test at the coolant cap for
exhaust gases

Need to be sure your not loosing coolant & have no
air in the system

Feb 01, 2013 | 1997 Honda Civic

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Opened the coolant resovoir and the coolant was frozen

Please add antifreeze on your coolant to prevent this situation. A frozen coolant is dangerous to your car.

Jan 13, 2011 | Chrysler 300M Cars & Trucks

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99 Firebird still overheating after repairs and antifreeze

overheating is most likely a bad thermostat, but the coolant loss is a second big concern. Does the exhaust look like steam? You could have a cracked block and the coolant is leaking into the engine. Also check the oil for contamination.

Feb 16, 2010 | 1999 Pontiac Firebird

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How can I thaw frozen heater coil hoses?

If your heater core hoses are frozen you should immediately drain the coolant out of your radiator and engine and refill it with the proper mixture. Your lucky if your heater core lines are the only thing that froze, it could have popped a freeze plug or two out of the block. You could use a hair dryer or heat gun if you need to unfreeze it quickly.

Jan 02, 2010 | 2005 Dodge Caravan

1 Answer

My car overheated one day and found out it didnt have antifreeze. i put new antifreeze and changed the thermostat. now it shakes and eventually turns off when idling.

Do you know where the antifreeze went that left the coolant system. Is there a leak you can see on the ground where you park? Is it burning it through the engine? If so you might have antifreeze building up in the cylinders and that will cause your car to run rough. When it does run, do you have white smoke coming out the exhaust? Does it smell like antifreeze? Let me know

Dec 15, 2009 | 1995 Suzuki Swift

1 Answer

1999 Dodge durango heating sucks and leaking coolant now

Smelling antifreeze indicates to me you have a crack in the heater core. Most are made of plastic. This shows yours is metal. I guessed on 2WD or 4WD and size of engine.

Unlikely to be frost plugs unless you ran the system without antifreeze and the block partially froze. When they freeze fully, the plug pops and out and you lose all the coolant when it thaws.

Finally, this is a common problem with the Durango! As my learned colleague says, replace the thermostat as it needs to be fully open to let water flow well to the heater core.

1999 Durango Google Search

Mar 28, 2017 | 2001 Dodge Durango

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