What Causes Engine Overheating?
03 buick 3400 engine over heating and letting air in cooling system when its cool.
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asked 2 years ago
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Overheating is caused by anything that decreases the cooling system's ability to absorb, transport and dissipate heat. A low coolant level, a coolant leak, poor heat conductivity inside the engine because of the accumulated deposits in the water jackets, a defective thermostat that doesn't open, poor airflow of radiator, a slipping fan clutch, an inoperative electric cooling fan or even a defective radiator cap are the causes.
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Engine overheating most common:
Problem------------------Solution
1. Thermostat---(easy and cheap fix)------take the radiator cap off..start you car....look inside you radiator..if you see NO water flowing rapidly..then replace your thermostat
2. Blown Headgasket---(worst case) check the oil....if there is water in your oil...then your screwed....take it to a mechanic or replace your engine.
Problem------------------Solution
1. Thermostat---(easy and cheap fix)------take the radiator cap off..start you car....look inside you radiator..if you see NO water flowing rapidly..then replace your thermostat
2. Blown Headgasket---(worst case) check the oil....if there is water in your oil...then your screwed....take it to a mechanic or replace your engine.
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