Overheating

Asked by GuruVKJLX Sep 03, 2018 at 01:24 PM about the 2003 INFINITI G35 Sedan RWD with Leather

Question type: Maintenance & Repair

I have a 2003 infinity g35 sedan,I just go to Nissan
auto dealer to diagnose my car due to over heating
and losing my coolant...when I have a list that I
need to change I decided to fix this with my friend
to save a money.And then we change the spark
plug,both belt,thermostat,flush the coolant system
and I purged it how many times..I started my engine
and everything was good,but when im running to
freeway about 35miles without ac.the temperature
goes up and I have to pull over..ANY IDEAS?please
thank you so much

1 Answer

65,510

How did you purge air from system ? If not like this try doing it like this remove cap from overflow tank fill with antifreeze to full mark leave cap off and start vehicle and let idle you will not level in tank start to rise this is normal once thermostat starts to open level in tank will drop add more antifreeze to full mark then put cap back on. If this does not help try cleaning radiator with garden hose and nozzle maybe clogged with dirt and bugs causing little to almost no air flow across the coils if A.C condenser sets in front of radiator clean it also so that good air flow can get to radiator.

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