How Often Do You Need To Replace Your Thermostat or Temperature Sensor? Automakers build these parts to survive and often you won’t know it’s time to replace one until it fails.

The main ones are the temperature sensor, manifold pressure sensor (your car doesn’t have one), mass airflow sensor, throttle-position sensor and crank or RPM sensor.

I need to replace the HDD on a 2010 iMac (27 inch A1312) - its unfortunately one of those models that used the built in hard drive's temperature sensor rather than a surface mounted one.. In this ...