Nissan Rogue manuals

Nissan Rogue Service Manual: Refrigerant

Description

CONNECTION OF SERVICE TOOLS AND EQUIPMENT

Connection of service tools and equipment

  1. Shut-off valve
  2. A/C service valve
  3. Recovery/recycling/recharging equipment
  4.  Refrigerant container (HFC-134a)
  5. Weight scale
  6. Vacuum pump
  7. Manifold gauge set
  1.  Preferred (best) method
  2. Alternative method
  3.  For charging

Leak Test

CHECK REFRIGERANT LEAK USING FLUORESCENT LEAK DETECTION DYE

Check refrigerant leak using fluorescent leak detection dye

  1. Install a fender cover (1).
  2.  Wear UV safety goggles (2) provided with refrigerant dye leak detection kit.
  3.  Connect power cable (4) of UV lamp (6) to positive and negative terminals of the battery (3).
  4. Press UV lamp switch (5) and check A/C system for refrigerant leak. (Where refrigerant leak occurs, fluorescent leak detection dye appears in green color.)

WARNING: Do not look directly into UV lamp light source.

NOTE:

  1.  Repair or replace parts where refrigerant leak occurs and wipe off fluorescent leak detection dye.

    NOTE: Completely wipe off fluorescent leak detection dye from gaps between parts, screw threads, and others using a cotton swab or similar materials.

  2. Use a UV lamp to check that no fluorescent leak detection dye remains after finishing work.

WARNING: Do not look directly into UV lamp light source.

NOTE:

CHECK REFRIGERANT LEAK USING ELECTRONIC LEAK DETECTOR

WARNING: Do not check for refrigerant leak while the engine is running.

CAUTION: Be careful of the following items so that inaccurate checks or misidentifications are avoided.

  1. Stop the engine.
  2. Connect recovery/recycling/recharging equipment or manifold gauge set to A/C service valve.
  3. Check that A/C refrigerant pressure is 345 kPa (3.52 kg/cm2, 50 psi) or more when temperature is 16°C (61°F) or more. When pressure is lower than the specified value, recycle refrigerant completely and fill refrigerant to the specified level.

    NOTE: Leaks may not be detected if A/C refrigerant pressure is 345 kPa (3.52 kg/cm2, 50 psi) or less when temperature is less than 16°C (61°F).

  4. Clean area where refrigerant leak check is performed and check for refrigerant leak along all surfaces of pipe connections and A/C system components using electronic leak detector probe.

CAUTION:

NOTE:

  1.  Repair or replace parts where refrigerant leak is detected.
  2.  Start the engine and set A/C control in the following conditions.
  1.  Run the engine at approximately 1,500 rpm for 2 minutes or more.
  2. Stop the engine. Check again for refrigerant leak. Go to step 4.

WARNING: Be careful not to get burned when the engine is hot.

NOTE:

 

Recycle Refrigerant

WARNING:

  1.  Perform oil return operation. Refer to HA-25, "Perform Oil Return Operation". (If refrigerant or oil leak is detected in a large amount, omit this step, and go to step 2.) CAUTION: Do not perform oil return operation if a large amount of refrigerant or oil leak is detected.
  2.  Check gauge pressure readings of recovery/recycling/recharging equipment. When remaining pressure exists, recycle refrigerant from high-pressure hose and low-pressure hose.

    NOTE: Follow manufacturer instructions for the handling or maintenance of the equipment. Do not fill the equipment with non-specified refrigerant.

  3.  Remove A/C service valve cap from the vehicle.
  4.  Connect recovery/recycling/recharging equipment to A/C service valve.
  5.  Operate recovery/recycling/recharging equipment, and recycle refrigerant from the vehicle.
  6.  Evacuate air for 10 minutes or more to remove any remaining refrigerant integrated to compressor oil, etc.
  7.  Refrigerant recycle operation is complete.

Charge Refrigerant

WARNING:

  1.  Connect recovery/recycling/recharging equipment to the A/C service valve.
  2. Operate recovery/recycling/recharging equipment, and evacuate air from A/C system for 25 minutes or more.

    CAUTION: Evacuate air for 15 minutes or more if the parts are replaced.

  3.  Check the airtightness of A/C system for 25 minutes or more. If pressure raises more than the specified level, charge A/C system with approximately 200g refrigerant and check that there is no refrigerant leak.

    Refer to HA-21, "Leak Test".

    CAUTION: Check the airtightness for 15 minutes or more if the parts are replaced.

  4. If parts other than compressor are replaced, fill compressor oil according to parts that are replaced.
  5. Charge the specified amount of refrigerant to A/C system.
  6.  Check that A/C system operates normally.
  7. Disconnect recovery/recycling/recharging equipment. (Collect the refrigerant from the high-pressure hose and low-pressure hose of recovery/recycling/recharging equipment.)
  8.  Install A/C service valve cap.
  9. Refrigerant charge is complete.
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...

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