Nissan Versa (N17): Heater & air conditioning control system (HAC)

Other materials:

Noise, vibration and harshness (NVH) troubleshooting
NVH troubleshooting Chart Locate the area where noise occurs. Confirm the type of noise. Specify the operating condition of engine. Check specified noise source If necessary, repair or replace these parts. Location of noise Type of noise Operating condition of ...

Positive crankcase ventilation
Inspection 1.CHECK PCV VALVE With engine running at idle, remove PCV valve from rocker cover. A properly working valve makes a hissing noise as air passes through it. A strong vacuum should be felt immediately when a finger is placed over valve inlet. Is the inspection result normal? YES &g ...