Kia Sorento: Compressor Inspection - Air conditioning System - Heating,Ventilation And Air Conditioning - Kia Sorento XM 2011-2020 Service ManualKia Sorento: Compressor Inspection

Second Generation XM (2011-2020) / Kia Sorento XM 2011-2020 Service Manual / Heating,Ventilation And Air Conditioning / Air conditioning System / Compressor Inspection

1.
Check the plated parts of the disc & hub assembly (A) for color changes, peeling or other damage. If there is damage, replace the clutch set.
2.
Check the pulley (B) bearing play and drag by rotating the pulley by hand. Replace the clutch set with a new one if it is noisy or has excessive play/drag.

External Control Valve Compressor Inspection (GDS)
Compressor type: Fixed type compressor, External control valve, Internal control valve.
In cases of fixed type and internal control valve, it is possible to inspect compressor's operation with clutch noise.
When it comes to External control valve, however, it cannot be checked in this way bacause it doesn't have a clutch.
So, ECV should be inspected with GDS as below.
1.
Connect GDS to the vehicle and select 'Aircon Compressor Test(ECV type)'
[ECV1]

2.
Make the vehicle ready as the GDS instruction on the monitor. (Turn off A/C 'switch' only)
[ECV2]

[ECV3]

3.
Check if other DTC codes are found before inspect ECV compressor. If so, solve that problems first. If not, press 'OK' button to continue.
  
Do not continue inspection if these DTC codes are found: B1241, B1242, B1672, B1685, B1686, B1687
[ECV4]

4.
Start inspection
[ECV5]

[ECV6]

  
Check if condenser fan is operating when condition is changed to 'ECV running'
  
Relife valve will be operated if a condenser fan doesn't work because of overpressure in the compressor. It helps the airconditiong system to relieve by releasing refrigerant and oil. (Closed if relieved)
※ Refill refrigerant and oil after operation of Relife valve
※ Noise occurred when Relife vlave is in operation
5.
Check the result of inspection.
[ECV7]

[ECV8]

6.
If the result shows "Check" , click "Check" and follow the instruction.

7.
Inspect ECV again from the first step.
Compressor Installation
1. Make sure the compressor mounting bolt with the correct length is screwed in. Tighten the mounting bolts with the specified tightening order. ...

Compressor Disassembly
1. Remove the engine room under cover by loosening the mounting clip (A) and bolts (B). 2. Separate the front portion of the front ...

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