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  1. Drivetrain Discussions
    I'm having intermittent issues with HVAC blowing cold air at idle (but not while in motion) on my 4.0L / 6-cyl 2016 Frontier S with 4WD. The temperature gauge doesn't bounce based on load/idle or indicate high temperatures at any time. I'm going to check my fluid levels as described by @The...
  2. DIY - Do It Yourself / Tech Tips
    Hi. My 2014 frontier is not putting out warm air. I'm definitely good on coolant. The coolant seems to be flowing the system and heater core just fine. I can change where the air goes(defrost vs feet), but the temperature doesn't change regardless of where I have to temperature knob. I'm...