Question about 1991 Pontiac Sunbird

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Car wont start after bad weather freezeing water pump.

I was un prepared for the freeze and had left water in my radiator instead of anti-freeze. It froze causing my water pump to freeze too. I tried to start it a few times but it sounded like ice grinding in the water pump. Finaly i got it to unthaw and drained all the water but now it just wont start at all. It was running just fine before the freeze so i cant think of what the problem could be.

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  • Anonymous Mar 30, 2014

    does not get hot



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Do you get a spark first then go to the next steep, follow the spark from the coil to the plugs then check to see if you are getting gas. Take off the fuel line  and turn the key,maybe  the  gas froze too then check to see if the water pump cracked  or it there are any cracks in the engine

Posted on Jan 10, 2009


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My Chrysler Concorde 2000 3.2? Overheated and melted a hole in the water resivour tank,so we replaced that, it still got hot fast, so we replaced thermostat, then it started making a loud noise it sounds...

The whistling noise is steam. The problem is you never attacked the source of the problem. What you need to do now is drain your radiator completely at opening T-spicket at the bottom of the radiator. While you drain with engine off, run your water hose on top, to flush out the radiator. Then run to the Auto store and buy "radiator flush" -- follow directions. After flushing out the radiator flush, close the T-spicket, and fill with NEW anti-freeze. By enough to fill to the very top. Mix the anti-freeze with water per instructions to your environmental weather.
Buy a new radiator cap which could have caused the problem in the first place by not allowing the correct pressure to blow off. Being a 2000 car is a little early for radiator problems, but an incorrect anti-freeze solution causes radiators to fail prematurely.. Better to have more than less because anti-freeze keeps the radiator from corroding.
Your radiator never cooled the water sufficiently, and boiled much of the water out, hence it got so hot that it would melt the water tank. The Thermostat could well have been the cause because it got corroded from the inept ant-freeze mixture. Did you find rust on the Thermostat ? If so it was the case. If not the radiator has lost cooling either by low water or the cores have become plugged up, in that case you will need a new radiator. See if the flush loosens the rust within the cores before buying an expensive radiator. Check the water hoses if leaking cooling. Run the car allow the engine to become hot before accepting that your water hoses are fine. Because heat expand everything, and may not leak until after the expansion.

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Replace freeze plug

Chances are the block does have freeze plugs, but they would have nothing to do with the engine not cranking. The plugs are a thin metal cup that will pop out if the block freezes to help prevent the block from cracking. Even if they pop out the block can still be damaged. That includes the cylinders.
If the plugs popped out, you would loose what was in the radiator.

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Will a broken water pump cause anti freeze to mix with oil and drip

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Let the engine cool, remove radiator cap, start the engine let it warm up.
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I am driving my 2003 crv in -10 degree weather where it will be parked over night. The car is normally kept in tropical weather and I'm unsure if anti freeze needs to be added. My question is if the liquid...

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Anti-Freeze is leaking out near the front end of my car, is it my freeze plugs because my work pump is located on the fire wall?

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Where does the anti freeze go?

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The car is leaking anti-freeze. The suggestions we received were, that it could be the water pump. Where is the water pump located, and can it be fix without taking it to a mechanic.

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1 Answer

Won't start when temperture drops around freezing

a combo of issues could be your issues.
Does your area normally drop to freezing?
Battery condition and fluids set to right levels?
Do you have a block heater set on the engine?
You say "around freezing" we talking under or over?
And if your area normally dosent get that low, you will
heave to weatherize your car. are you running water or anti freeze?
in the radiator?.. These hopefully will get you in the right direction

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