Hyundai Tucson: Compressor - Installation

Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Heating, Ventilation and Air Conditioning (HVAC) / Air Conditioning System / Compressor - Installation

  1. Make sure that the compressor (A) mounting bolt of the correct length is screwed in. Tighten the mounting bolts in the specified tightening order.

  1. Install in the reverse order of removal.
  • f 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, R-1234yf to avoid leakage.
  • T o 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.


  1. 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.

External Control Valve Compressor Inspection (GDS)


     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 con

     Compressor - Disassembly

    Disassembly Remove the front tire RH. (Refer to Suspension System - "Wheel") Loosen the drive belt. (Refer to Engine Mechanical System - "Drive Belt") Remove the clutch bolt (A) while holding the pulley with a clutch b


    Components Location Condensor Inspection Check the condenser fins for clogging and damage. If clogged, clean them with water, and blow them with compressed air. If bent, gently bend them using a screwdriver or pliers. Check the co


     Configuration of eCall Controller

    Input button & Indicator SOS button : Press the button to place a call to the call center. LED indicator lamp : The red and green LEDs turn on for 3 seconds after the ACC is on and stay turned off in standby until the key is turned off

     Cylinder Block/ Disassembly/ Inspection/ Reassembly

    WARNING Use fender covers to avoid damaging painted surfaces. To avoid damage, unplug the wiring connectors carefully while holding the connector portion. WARNING Mark all wiring connector and hoses to avoid misconnection. To releas