How can I check the heater temperature when idle?
When you think you have all the air pocket removed let the motor idle and check the heater temperature at idle. You can turn the blower fan on to the medium speed to check for output.
When does the Heat Blow Cold when idling?
A forum for lovers of Infiniti’s hot-rod crossover, the FX! In 2014, all FX models will be named Infiniti QX70, in line with Infiniti’s new naming structure. When idling with low RPM (like at a stop light, or just warming up in the driveway) the heat blows cold in my ’04 FX35, but under normal driving conditions it is nice and hot.
What to do when your Nissan heater blows cold?
Run the motor for at least 15 minutes to reach operating temperature. Rev the motor to 2,500 rpm and watch the radiator coolant for air bubbles. It helps to squeeze the upper radiator hose while revving the motor to get the air out. When you think you have all the air pocket removed let the motor idle and check the heater temperature at idle.
Do you put coolant cap back on when idling?
If the coolant pulsates up and down you still have a bit of air in the system. If the coolant stays level, put the cap back on and you should be OK. I always put more coolant in the reservoir, about 2″ higher than the max line.
When you think you have all the air pocket removed let the motor idle and check the heater temperature at idle. You can turn the blower fan on to the medium speed to check for output.
A forum for lovers of Infiniti’s hot-rod crossover, the FX! In 2014, all FX models will be named Infiniti QX70, in line with Infiniti’s new naming structure. When idling with low RPM (like at a stop light, or just warming up in the driveway) the heat blows cold in my ’04 FX35, but under normal driving conditions it is nice and hot.
Run the motor for at least 15 minutes to reach operating temperature. Rev the motor to 2,500 rpm and watch the radiator coolant for air bubbles. It helps to squeeze the upper radiator hose while revving the motor to get the air out. When you think you have all the air pocket removed let the motor idle and check the heater temperature at idle.
Why does my heater make a high idle noise?
Same thing with the heat. No heat till Im driving on the highway. I notice that while driving, there seems to be a high idle noise. When i turn the heater or the AC on, the high idle sound goes away. What may this be? 1998 Dodge Ram Van B1500 V6