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Originally Posted by mattcara
its been brutally hot here in new jersey these past few day.. so top has been up and a/c on high.
i figure coolant temp to go up some.. how concerned should i be if the temp gauge starts to go up tooo much? and what can i do to not hurt the car...
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Hotter weather may cause the coolant temp to go up during slow speed driving. At speeds over 40mph they should be back to normal.
If the temp is not back to 'normal' at speed, the radiator may not be performing at 100% due to exterior dirt, bugs, etc. blocking airflow, interior deposits blocking coolant flow, or some of each.
As long as the temps have not reached 'red line' on the coolant gauge, the engine has not 'overheated' but is 'running hotter' than usual.
Keep an eye out and tell us what you have found.
Best Regards,
Jim