Hyundai Venue: Air Conditioning System / Compressor. Repair procedures

Hyundai Venue (QX) (2020-2024) Service Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / Compressor. Repair procedures

Removal
Hyundai Venue. Compressor. Repair procedures   
Precautions for using the plastic pulley
•
Be careful not to place the pulley to downwards of the floor or table.

Hyundai Venue. Compressor. Repair procedures
•
Be careful not to apply the external force and impact on pulley while moving or using.

Hyundai Venue. Compressor. Repair procedures
•
Be careful not to apply force to the pulley.

Hyundai Venue. Compressor. Repair procedures
1.
If the compressor is marginally operable, run the engine at idle speed, and let the air conditioning work for a few minutes, then shut the engine off.
2.
Disconnect the negative (-) battery terminal.
3.
Recover the refrigerant with a recovery/charging station.
4.
Remove the engine room cover.
(Refer to Engine Mechanical System - "Engine Room Cover")
5.
Loosen the drive belt.
(Refer to Engine Mechanical System - "Drive Belt")
6.
Remove the bolts, then disconnect the suction line (A) and discharge line (B) from the compressor.
Tightening torque :
21.6 - 32.4 N.m (2.2 - 3.3 kgf.m, 15.9 - 23.9 Ib-ft)
Hyundai Venue. Compressor. Repair procedures   
•
Plug or cap the lines immediately after disconnecting them to avoid moisture and dust contamination.

Hyundai Venue. Compressor. Repair procedures
7.
Disconnect the compressor switch connector (A).

Hyundai Venue. Compressor. Repair procedures
8.
Remove the compressor (A) by loosening the mounting bolts.
Tightening torque :
20.0 - 32.95 N.m (2.04 - 3.36 kgf.m, 14.75 - 24.30 Ib-ft)

Hyundai Venue. Compressor. Repair procedures
Installation
1.
Make sure the compressor (A) mounting bolt with the correct length is screwed in. Tighten the mounting bolts with the specified tightening order.
Tightening torque :
20.0 - 32.95 N.m (2.04 - 3.36 kgf.m, 14.75 - 24.30 Ib-ft)

Hyundai Venue. Compressor. Repair procedures
2.
To install, reverse the removal procedure.
Hyundai Venue. Compressor. Repair procedures   
•
If you install a new compressor, drain all the refrigerant oil from the removed compressor and measure its volume. Subtract the volume of drained oil from the original capacity. The result is the amount of oilcompressor oil you should drain from the new compressor (through the suction fitting).
•
Replace the O-rings with new ones at each fitting, and apply a thin coat of refrigerant oil before installing them. Be sure to use the right O-rings for R-134a or R-1234yf to avoid leakage.
•
To avoid contamination, do not return the oil to the container once dispensed, and never mix it with other refrigerant oils.
•
Immediately after using the oil, replace the cap on the container and seal it to avoid moisture absorption.
Inspection
1.
Check the plated parts of the limiter & hub assembly for color changes, peeling or other damage. If there is damage, replace the assembly.
2.
Check the pulley (A) bearing play and drag by rotating the pulley by hand. Replace the pulley with a new one if it is noisy or has excessive play / drag.

Hyundai Venue. Compressor. Repair procedures
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]

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

Hyundai Venue. Compressor. Repair procedures

[ECV3]

Hyundai Venue. Compressor. Repair procedures
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.
Hyundai Venue. Compressor. Repair procedures   
Do not continue inspection if these DTC codes are found: B1241, B1242, B1672, B1685, B1686, B1687
[ECV4]

Hyundai Venue. Compressor. Repair procedures
4.
Start inspection
[ECV5]

Hyundai Venue. Compressor. Repair procedures

[ECV6]

Hyundai Venue. Compressor. Repair procedures

Hyundai Venue. Compressor. Repair procedures   
Check if condenser fan is operating when condition is changed to 'ECV running'
Hyundai Venue. Compressor. Repair procedures   
Relief valve will be operated if a condenser fan doesn't work because of overpressure in the compressor. It allows the A/C system to relieve overpressure by releasing refrigerant and oil. (Closed if relieved)
※ Refill refrigerant and oil after operation of relief valve
※ Noise can be observed as the relief valve is in operation
5.
Check the result of inspection and click 'Check Detail' if it's 'Check'. Follow the instruction and inspect ECV again from the first step.
[ECV7]

Hyundai Venue. Compressor. Repair procedures

[ECV8]

Hyundai Venue. Compressor. Repair procedures
Disassembly
1.
Remove the engine room under cover.
(Refer to Engine Mechanical System - "Engine Room Cover")
2.
Remove the front wheel guard.
(Refer to Body - "Front Wheel Guard")
3.
Loosen the drive belt.
(Refer to Engine Mechanical System - "Drive Belt")
4.
Remove the clutch bolt (A) while holding the pulley with a clutch bolt remover (09977-3R000).
Tightening torque :
10.0 - 15.0 N.m (1.02 - 1.53 kgf.m, 7.37 - 11.0 lb-ft)

Hyundai Venue. Compressor. Repair procedures
5.
Remove the limiter & hub assembly (A).

Hyundai Venue. Compressor. Repair procedures
6.
Using a snap ring plier and remove the snap ring (A).

Hyundai Venue. Compressor. Repair procedures
7.
Remove the pulley (A).

Hyundai Venue. Compressor. Repair procedures

Hyundai Venue. Compressor. Repair procedures   
•
Be careful not to damage the pulley and compressor during disassembly / reassembly.
•
Once the snap ring is removed, replace it with a new one.
8.
Reassemble in the reverse order of disassembly.
Hyundai Venue. Compressor. Repair procedures   
•
Clean the pulley and compressor sliding surfaces with non-petroleum solvent.
•
Install a new snap ring, and make sure they are fully seated in the groove.
•
Make sure that the pulley turns smoothly after reassembly.

    Compressor. Components and components location

    Components Location 1. Compressor Components 1. Clutch bolt 2. Disc & Hub assembly 3...

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