Water/Coolant pours out of engine as soon as I put it in.
Have just gone through 5 times of below freezing weather. My 1998 Chevy Silverado pick-up would overheat only minutes after turning it on in the freezing cold. I assumed that part of the coolant/water mixture must have frozen. So it has not moved for days. Now things are starting to warm up. I turned the truck on and it overheated again. I let it cool down and then checked the radiator for fluid. It seemed way low. So, not having any antifreeze handy, I tried just pouring some water in. It immediately poured out of the bottom of the truck. I tried to find the source of the leak but couldn't determine it from looking underneath the engine. What happened? And how much trouble am I in?
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Re: Water/Coolant pours out of engine as soon as I put it...
It has popped the freeze plugs out and you won't know the extent of the damage it has made till you replace the freeze plugs. You never i mean never pour water into a vehicle around time for freezing weather
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the lowering on the temp gauge indicates a lack of coolant around the bulb of the temp sender unit or a lack of flow around the cooling system
could be from low coolant level or blockage in the coolant system from forming ice ( 16 degrees is -8 degrees Celsius which is below freezing point of water)
I suggest that you check the antifreeze ratio in the cooling system and it should be no less than 50/50 to water
any thing less than 50 % antifreeze in the water will allow the coolant to freeze up which may be your problem
coolant condition should be checked every season as it does deteriorate over time and the % ratio will drop
topping up with normal water is another method of lowering the % point
check with a radiator shop or dealer service center to get the correct % of antifreeze for below freezing conditions and keep it at that point
This could be alot of things. You could have a weak battery and the cells are freezing up when cold. You could have a coil problem. Do you have spark and fuel? You may have a plugged fuel filter, water in your gas, bad module, poor grounds. It could be a lot of things. A loose cable will cause this also. Do you have a service engine soon light when it runs in warm weather?
Most systems usually take about 2 gallons to refill. That is 1 gallon of anti-freeze and one gallon of water. Since you have a truck it might take a little more. The anti-freeze and water are usually mixed together before they are put into the system especially if the engine has aluminum heads. You can also buy the coolant pre-mixed. If you do then you must buy two gallons.
There should be a shut off valve on back of radiator on lower drivers side of the radiator. Get a drain pan and put it below shut off valve and turn shut off valve so coolant pours out . when empty turn shut off valve back and refill with required coolant.
Does your car have a cap or a sealed unit? You don't want a sealed unit. You want to be able to check your water.Push down and Twist the cap off when cold, not hot, fill it up with coolant, 50/50 mix, and fill up the expansion tank. It says coolant on it. The car will balance itself out. Check the water in your battery while you are at it. It dries out too. Then check the brake fluid, power steering fluid, and oil. That should keep you busy next Saturday. Hope this helps.
Milky substance on your dip stick indicates contamination in your engine oil, most likely coolant and that is an indication of head gasket, or intake gasket gone bad and coolant leaking into your oil system. Note that coolant in your engine oil is bad, coolant will corrode the internal engine's bearing causing you to replace or overhaul the engine. The engine not starting is most likely the result of being blown and will need to be replaced.
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Locate the thermostat. The thermostat is in a metal housing at the end of the radiator hose where it connects to the engine.
Drain enough coolant to make the water level below the the thermostat level so that the coolant doesn't spill everywhere...
Remove the thermostat:
The housing is held down by two bolts. Remove the bolts, remove the thermostat and scrape the gasket and sealant from the housing and the manifold.
When replacing, use Permatex #2 - non-hardening gasket sealant.
Replenish the radiator with 50/50 coolant/water mixture (re-use what you took out; don't pour down drain or on grass - kills vegetation).
Remove radiator cap and let engine warm up (look for leaks) to allow trapped air in the cooling system to escape.
Note: there may be some burping valves near the thermostat. If obvious, open them to allow air to escape.
Wait til the car is cold and then open the cap on the RADIATOR by pushing it down while twisting. The coolant must be filled to the brim. Replace the cap and then fill the overflow tank to the "cold" mark. Use a 50/50 mixture of water and coolant.
the service engine soon lite comes on due to an input sensor to your vehicles computer that has gone out of its parameters. this lite does not come on due to mileage. the computer needs to be scanned for code #'s in order to diagnose correctly. autozone will scan codes for free. if you get me the code #, ill try to assist further, otherwise you may want to see your local garage.