Coolant temp rises when idle

The G-Series Tuning Forum is the place to discuss G35/G37 performance modifications and mechanical repair.
Headnsouth
Posts: 57
Joined: Fri Nov 07, 2008 10:35 am
Car: 2005 G35

Post

05 G35 runs fine when cruising but when idling at a light the temp will creep up.
Running the AC the drivers side fan will cycle but the passenger side fan never runs. I just want to confirm that its the coolant sensor that took a dump before I order the wrong part.

Coolant has been flushed, new hoses, thermostat and bleed of air.

Apparently the drivers side runs when the AC is running and the passenger side only runs when coolant temp rises. :confused:

Am I on the right track with my diagnoses here?


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