This procedure covers removal and replacement of the AC condenser on a 2014-2019 Toyota Corolla with 1.8L I4 engine, including refrigerant recovery, condenser removal, and system recharge.

Warnings

Tools required

Parts

• AC condenser × 1 — Use OEM specification
• AC line O-rings × 4 — Use OEM specification
• Radiator support clips × 6 — Use OEM specification
• PAG oil for AC system × 1 — ND-OIL 11 or equivalent

Preparation

1. Park vehicle on level ground and engage parking brake
2. Disconnect negative battery terminal and wait 90 seconds for airbag system to discharge
3. Recover AC refrigerant using approved recovery machine and document quantity removed
4. Raise and secure front of vehicle on jack stands
5. Remove front bumper cover per manufacturer procedure (disconnect fog lights if equipped)
6. Remove lower engine splash shield
7. Drain and measure PAG oil from recovered refrigerant to determine replacement amount

Procedure

1. 1

   Disconnect AC lines from condenser
   Locate the AC line connections on the right side of the condenser. Using appropriate line wrenches, slowly loosen the liquid line and suction line fittings. Have shop towels ready to catch residual oil. Remove the fittings completely and immediately cap all openings with plugs to prevent moisture intrusion. Discard old O-rings.
   ⚠AC lines may still contain residual pressure. Loosen fittings slowly and wear eye protection.
2. 2

   Remove radiator support upper cover
   Remove the plastic clips securing the upper radiator support cover. On 2014-2016 models, there are typically 6 clips across the top. On 2017-2019 models, remove the 4 screws securing the cover using a 10mm socket. Carefully lift the cover away to access condenser mounting points.
3. 3

   Disconnect cooling fan connectors
   Locate the electric cooling fan electrical connectors on the left side of the radiator shroud. Press the locking tab and disconnect both fan motor connectors. Note connector positions for reinstallation.
4. 4

   Remove cooling fan assembly
   Remove the four bolts securing the cooling fan shroud to the radiator using a 10mm socket. The bolts are located at the top corners and bottom corners of the shroud. Carefully lift the fan assembly up and out of the engine bay. Be careful not to damage radiator fins.
5. 5

   Disconnect condenser-to-radiator tabs
   The condenser is mounted to the front of the radiator with plastic clips or tabs at the top and sides. Carefully release these clips by pressing the release tabs while gently pulling the condenser forward. On some models, there may be small metal brackets that require 10mm bolts to be removed.
6. 6

   Remove condenser mounting bolts
   Remove the two upper condenser mounting bolts located at the top corners of the condenser using a 10mm socket. These bolts secure the condenser to the radiator support. Keep bolts organized for reinstallation.
   Torque spec

   Condenser Mounting Bolts12 Nm (9 lb-ft)
7. 7

   Extract condenser from vehicle
   With all mounting points released and AC lines disconnected, carefully tilt the top of the condenser toward you and lift it up and out of the vehicle. Work slowly to avoid damaging radiator fins or other components. Place condenser on a clean work surface.
8. 8

   Prepare new condenser for installation
   Compare new condenser to old unit to verify correct part. Install new O-rings on all AC line fittings, lubricating them with fresh PAG oil. Add the measured amount of PAG oil (plus any additional oil specified by condenser manufacturer) to the new condenser through one of the line ports. Rotate condenser to distribute oil. Remove shipping caps just before installation.
   ℹ️New condenser may come pre-charged with PAG oil. Check manufacturer specifications and adjust oil quantity accordingly.
9. 9

   Install new condenser
   Carefully lower the new condenser into position between the radiator and front support. Ensure condenser is properly seated against radiator mounting points and tabs align correctly. Verify clearance from radiator and surrounding components.
10. 10

    Secure condenser mounting bolts
    Install the two upper condenser mounting bolts and torque to specification using a torque wrench. Ensure condenser is properly aligned before final tightening. Verify condenser sits flush against radiator without gaps.
    Torque spec

    Condenser Mounting Bolts12 Nm (9 lb-ft)
11. 11

    Reconnect AC line fittings
    Remove caps from AC lines and condenser ports. Verify new O-rings are properly positioned and lubricated with PAG oil. Thread fittings by hand first to prevent cross-threading. Once hand-tight, use appropriate line wrenches to torque fittings to specification. Ensure liquid line and suction line are connected to correct ports.
    Torque spec

    AC Line Fittings20 Nm (15 lb-ft)
12. 12

    Reinstall cooling fan assembly
    Lower the cooling fan shroud assembly back into position on the radiator. Align mounting holes and install the four mounting bolts. Torque bolts to specification. Reconnect both cooling fan electrical connectors, ensuring they click into place securely.
13. 13

    Reinstall radiator support cover
    Position the upper radiator support cover and secure with clips or screws depending on model year. For models with screws, torque to specification. Ensure cover is properly seated and all clips are fully engaged.
14. 14

    Evacuate and recharge AC system
    Connect AC service machine to system. Evacuate system to 29+ inches of vacuum for minimum 30 minutes to remove all moisture and air. Monitor for vacuum decay to verify system integrity. If vacuum holds, recharge system with manufacturer-specified amount of R-134a refrigerant (typically 15-17 oz). Add UV dye if desired for future leak detection.
    ⚠️AC evacuation and recharge must be performed by EPA-certified technician using approved equipment.

Reassembly

1. Reinstall lower engine splash shield
2. Reinstall front bumper cover and reconnect fog light connectors if equipped
3. Lower vehicle from jack stands
4. Reconnect negative battery terminal
5. Verify all tools and parts have been removed from engine bay

Verification

• Start engine and set AC to maximum cold with fan on high
• Verify both cooling fans activate when AC is engaged
• Monitor AC system pressures using manifold gauges - low side should be 25-35 psi, high side should be 180-250 psi at idle with ambient temperature 70-80°F
• Check for cold air from vents - should be 35-45°F colder than ambient
• Inspect all AC line connections for leaks using electronic leak detector or soap solution
• Verify no unusual noises from compressor or cooling fans
• Test drive vehicle and confirm AC performance under load
• Recheck system pressures after test drive to ensure stability

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