huttontimithy Posted April 24, 2011 Report Share Posted April 24, 2011 what are the diagnostic checks required for a overheating car thanks Link to comment Share on other sites More sharing options...
stuart Posted May 9, 2011 Report Share Posted May 9, 2011 First and foremost check all fans is working fine, AC fan is clicking in while AC is on or while overheating. Clutch fan is working on high speed while car is overheating. Check the coolant level and see if its leaking from anywhere if its low. Check the radiator for leak or blockage in front from some leaf, paper or plastic or clogged inside from rust or water residues. Check the thermostat is working fine and operating in ideal temperature (on /off). Last but not least is doubting the water pump is doing its job in circulating water or not at adequate pressure or not. Link to comment Share on other sites More sharing options...
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