The AC Compressor in My Nissan Frontier Won't Turn On

Written by breann kanobi
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The AC Compressor in My Nissan Frontier Won't Turn On
Fix your compressor problems to fix your air conditioning. (Jupiterimages/Photos.com/Getty Images)

The Nissan Frontier, like many vehicles, sometimes suffers from air conditioning problems. If the compressor of the air conditioning won't turn on, the entire AC system cannot operate. Typically, compressor problems are caused by poorly tightened fittings, a lack of refrigerant or a blown fuse. Sometimes the compressor fails to function because the clutch is busted. If you are unfamiliar with replacing a clutch, take your Frontier to a mechanic.

Skill level:
Moderate

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Things you need

  • Screwdriver
  • Refrigerant can
  • Pressure gauge

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Instructions

  1. 1

    Examine the compressor for leaks. If there are any leaks or cracks, take your vehicle to a mechanic immediately.

  2. 2

    Check for blown fuses. Lift the cover off the fuel box, located under the passenger compartment of the dashboard. Look at the schematic, printed on the inside of the fuse box cover, to determine which fuse controls the air conditioning compressor. Push the switch to the "Off" position, wait 30 seconds and push it to the "On" position.

  3. 3

    Tighten the compressor's O-ring using a wrench.

  4. 4

    Add refrigerant to the AC system. Attach a pressure gauge to the can of refrigerant. Push the hose of the can into the low pressure side of the air conditioning and pull the nozzle to release refrigerant. In most cases, the cheapest option is to take your car to the dealership to replace the air conditioning.

  5. 5

    Attempt to turn on the air conditioning system. If it still fails, replace the magnetic clutch.

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