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Heater & Airconditioner/Ventilator • HVAC System (Heater, Ventilator and A/C) • Refrigerant Pressure With Manifold Gauge Set • Inspection 2015 Subaru Forester

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HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Pressure with Manifold Gauge Set

INSPECTION

1. INSPECTION WITH PRESSURE SYMPTOMS

Symptoms

Reference

Both high and low pressure sides are low.

HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Pressure with Manifold Gauge Set > INSPECTION

Both high and low pressure sides are high.

HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Pressure with Manifold Gauge Set > INSPECTION

Both high and low pressure sides are equal, or high-pressure side is low.

HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Pressure with Manifold Gauge Set > INSPECTION

High-pressure side is high.

HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Pressure with Manifold Gauge Set > INSPECTION

Low-pressure side is low.

HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Pressure with Manifold Gauge Set > INSPECTION

Low-pressure side is high.

HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Pressure with Manifold Gauge Set > INSPECTION

2. BOTH HIGH AND LOW PRESSURE SIDES ARE LOW

STEPCHECKYESNO

1.CHECK REFRIGERANT LEAKAGE.

Check the refrigerant for leakage. HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Leak Check > INSPECTION

NOTE:

When the pressure on the high-pressure side is less than 0.69 Mpa: Go to Step 2.

Are there any refrigerant leakage?

Repair the refrigerant leakage.

HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Pressure with Manifold Gauge Set > INSPECTION

2.FILL PROPER AMOUNT OF REFRIGERANT.

Drain the refrigerant completely, and then refill the proper amount of refrigerant.

• Recovery: HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Recovery Procedure > PROCEDURE

• Refill: HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Charging Procedure > PROCEDURE

Is the refrigerant pressure within the specified range?

Refrigerant pressure is normal.

Perform appropriate inspection with pressure symptoms.

3. BOTH HIGH AND LOW PRESSURE SIDES ARE HIGH

STEPCHECKYESNO

1.FILL PROPER AMOUNT OF REFRIGERANT.

Drain the refrigerant completely, and then refill the proper amount of refrigerant.

• Recovery: HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Recovery Procedure > PROCEDURE

• Refill: HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Charging Procedure > PROCEDURE

Is the refrigerant pressure within the specified range?

Refrigerant pressure is normal.

Perform appropriate inspection with pressure symptoms.

4. BOTH HIGH AND LOW PRESSURE SIDES ARE EQUAL, OR HIGH-PRESSURE SIDE IS LOW

STEPCHECKYESNO

1.CHECK REFRIGERANT LEAKAGE.

Check the refrigerant for leakage. HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Leak Check > INSPECTION

NOTE:

When the pressure on the high-pressure side is less than 0.69 Mpa: Go to Step 2.

Are there any refrigerant leakage?

Repair the refrigerant leakage.

HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Pressure with Manifold Gauge Set > INSPECTION

2.FILL PROPER AMOUNT OF REFRIGERANT.

Drain the refrigerant completely, and then refill the proper amount of refrigerant.

• Recovery: HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Recovery Procedure > PROCEDURE

• Refill: HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Charging Procedure > PROCEDURE

Is the refrigerant pressure within the specified range?

Refrigerant pressure is normal.

Inspect the compressor. HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS) > Diagnostics with Phenomenon > DIAGNOSTIC PROCEDURE WITH PHENOMENON

5. HIGH-PRESSURE SIDE IS HIGH

STEPCHECKYESNO

1.CHECK CONDENSER.

Check the condenser. HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Condenser > INSPECTION

Is condenser normal?

HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Pressure with Manifold Gauge Set > INSPECTION

Clean or replace the condenser.

2.CHECK RADIATOR FAN.

Check the radiator fan system. COOLING(H4DO) > Radiator Fan System

Is radiator fan system normal?

HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Pressure with Manifold Gauge Set > INSPECTION

Repair or replace the faulty parts of the radiator fan system.

3.FILL PROPER AMOUNT OF REFRIGERANT.

Drain the refrigerant completely, and then refill the proper amount of refrigerant.

• Recovery: HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Recovery Procedure > PROCEDURE

• Refill: HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Charging Procedure > PROCEDURE

Is the refrigerant pressure within the specified range?

Refrigerant pressure is normal.

Check the high-pressure hose and condenser for deformation or clogging, and replace if defective.

6. LOW-PRESSURE SIDE IS LOW

STEPCHECKYESNO

1.CHECK REFRIGERANT LEAKAGE.

Check the refrigerant for leakage. HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Leak Check > INSPECTION

NOTE:

When the pressure on the high-pressure side is less than 0.69 Mpa: Go to Step 2.

Are there any refrigerant leakage?

Repair the refrigerant leakage.

HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Pressure with Manifold Gauge Set > INSPECTION

2.FILL PROPER AMOUNT OF REFRIGERANT.

Drain the refrigerant completely, and then refill the proper amount of refrigerant.

• Recovery: HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Recovery Procedure > PROCEDURE

• Refill: HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Charging Procedure > PROCEDURE

Is the refrigerant pressure within the specified range?

Refrigerant pressure is normal.

HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Pressure with Manifold Gauge Set > INSPECTION

3.REPLACE EXPANSION VALVE.

Replace the expansion valve. HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Expansion Valve > REMOVAL

Is the refrigerant pressure within the specified range?

Refrigerant pressure is normal.

Inspect the compressor. HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS) > Diagnostics with Phenomenon > DIAGNOSTIC PROCEDURE WITH PHENOMENON

7. LOW-PRESSURE SIDE IS HIGH

STEPCHECKYESNO

1.FILL PROPER AMOUNT OF REFRIGERANT.

Drain the refrigerant completely, and then refill the proper amount of refrigerant.

• Recovery: HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Recovery Procedure > PROCEDURE

• Refill: HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Charging Procedure > PROCEDURE

Is the refrigerant pressure within the specified range?

Refrigerant pressure is normal.

HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Pressure with Manifold Gauge Set > INSPECTION

2.REPLACE EXPANSION VALVE.

Replace the expansion valve. HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Expansion Valve > REMOVAL

Is the refrigerant pressure within the specified range?

Refrigerant pressure is normal.

Replace the evaporator. HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Evaporator > REMOVAL

    2017-02-20 18:49:06    2017-05-11 10:14:46




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