My chev cavalier 1999 is over heating intermitantly drove 40 miles fine we bourght it showed signs of over heating the next day but asoon as took it on highway it cooled dwn in a matter of secons thn it ws fine 4 a week thn it over heated on a 10 minute drive wen we got it home we flipped the bonnet n the coolant ws coming out. also wen it over heats it only overheats 4 a minute thn cools dwn while still driving but thn dus it again we fort the gage mite broke but thn the coolant came out so obviously nt. what could be causing this?
Replace the thermostat, set the coolant level to 20° below zero (it is also anti boil) and make sure your belts are tight.
REPLACE THE THERMOSTAT
1 Inspect Hose Ruptured, Cracked or Leaking Raditor Hose. 2 Inspect Head Gasket Leaking Head Gasket. 3 Inspect Thermostat Thermostat Stuck Closed. 4 Inspect Raditor Cap Worn or Damaged Raditor Cap. 5 Inspect Raditor Raditor Fins Obstructed. 6 Inspect Belt Missing or Broken Water Pump Belt. 7 Inspect Heater Core Heater Core May Be Leaking Antifreeze/Coolant into The Vehicles Floor Area. 8 Inspect Intake Manifold Gasket Leaking, Worn, or Damaged Intake Manifold Gasket. 9 Inspect Water Pump Leaking Water Pump. 9 Inspect Raditor Fan Motor Faulty Raditor Cooling Fan Motor. 9 Inspect Relay - Raditor Cooling Fan Motor Faulty Cooling Fan Relay. 9 Inspect Fan Blade Broken, Missing, or Faulty Fan Blade(s). 9 Inspect Cooling Fan Switch - Raditor Faulty Raditor Cooling Fan Sensor/Switch.try this should fix the problem
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