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Q: Vehicle wont start anymore. on 1993 GMC Jimmy

I was driving home when i started to hear a weird noise coming from the engine on the drivers side of my jeep. I was worried but i was almost home so i drove slow. I noticed that when i stopped giving it gas the noise stopped. when i got home the check gauges light came on so i popped the hood.....turns out i was out of antifreeze. i guess thats why my heater was pumping out only cold air. I could also smell a wierd burning smell. So i topped it off and let the jeep run for a couple of minutes and when i turned it off, i tried to turn it back on to see if it started fine and the vehicle wont turnover. any ideas would be much appreciated. I hope the engine didnt seize on me.
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You may have blown a head gasket and now one cylinder is full of coolant. If your engine still won't turn over with a good battery first remove the serpentine belt. If the engine turns over with the belt off then one of the accessories has seized. If it still won't turn over try rotating the crankshaft by hand with a wrench. If the engine turns over by hand the you have a starting system problem. If it won't turn over by hand then remove the spark plugs one by one and note if coolant comes out of any of the spark plug holes. If you find a cylinder with coolant then try turning over the engine after removing that spark plug. If the engine turns over the you have found the problem cylinder. If more than one cylinder is affected then you may need to remove all the spark plugs.
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