This procedure covers the removal and replacement of the AC receiver/drier on a 2018-2024 Toyota Camry with 2.5L I4 engine, including refrigerant recovery, line disconnection, and system recharge.

Warnings

Tools required

Parts

• AC Receiver/Drier × 1 — 88719-06010 or equivalent
• AC O-ring kit × 1 — Use OEM specification for R-134a or R-1234yf
• PAG oil (ND-11 for R-1234yf or ND-8 for R-134a) × 1 — Use system-specific PAG oil
• AC refrigerant (R-1234yf) × 1 — Verify label under hood for correct type

Preparation

1. Verify the correct refrigerant type from the underhood AC specification label
2. Ensure AC recovery machine is certified for the refrigerant type in this vehicle
3. Park vehicle on level surface and engage parking brake
4. Allow engine to cool completely if recently operated
5. Disconnect negative battery cable and wait 90 seconds before beginning work
6. Gather all replacement parts, new O-rings, and correct PAG oil before opening system

Procedure

1. 1

   Recover AC refrigerant
   Connect AC recovery machine to service ports on high and low side lines. Follow machine instructions to fully recover all refrigerant from the system. Record the amount recovered for recharge reference. Verify system pressure reaches zero and stabilizes before proceeding.
   ⚠️Never disconnect AC lines with refrigerant still in system. Pressurized refrigerant can cause severe injury.
2. 2

   Access receiver/drier
   Open the hood and locate the receiver/drier mounted on the passenger side of the engine bay near the condenser. It is a cylindrical component with inlet and outlet lines. Remove any plastic covers or shields blocking access if present. On some models, the washer fluid reservoir may need to be repositioned for better access.
3. 3

   Disconnect electrical connector
   If equipped with a pressure switch on top of the receiver/drier, press the locking tab and disconnect the electrical connector. Move the wiring harness aside to prevent damage during removal.
4. 4

   Disconnect AC lines from receiver/drier
   Using a 14mm flare nut wrench, carefully loosen and remove the AC line fittings from both the inlet (from condenser) and outlet (to evaporator) ports on the receiver/drier. Cap or plug the open lines immediately to prevent moisture and debris entry. Remove and discard the old O-rings from the line fittings.
   ⚠Use a flare nut wrench to prevent rounding off the soft aluminum fittings. A standard wrench may damage the lines.
5. 5

   Remove receiver/drier mounting
   Using a 10mm socket, remove the mounting bracket bolt(s) securing the receiver/drier to the body or condenser bracket. Note the orientation and position of any spacers or insulators for reinstallation. Carefully lift the receiver/drier out of the mounting bracket.
   Torque spec

   Receiver Drier Bolts10 Nm (7 lb-ft)
6. 6

   Prepare new receiver/drier
   Remove the protective caps from the new receiver/drier immediately before installation to minimize moisture exposure. Add the specified amount of fresh PAG oil to the receiver/drier (typically 20-30ml, check service manual for exact specification). Install new O-rings onto both inlet and outlet ports of the new receiver/drier and lightly coat with PAG oil.
   ⚠Do not remove caps from new receiver/drier until immediately ready to install. The desiccant inside begins absorbing atmospheric moisture instantly.
7. 7

   Install new receiver/drier
   Position the new receiver/drier in the mounting bracket in the same orientation as the original. Ensure any insulators or spacers are in place. Install and hand-tighten the mounting bracket bolt, then torque to specification.
   Torque spec

   Receiver Drier Bolts10 Nm (7 lb-ft)
8. 8

   Install new O-rings on AC lines
   Inspect the AC line fittings for any damage or debris. Install new O-rings onto each AC line fitting (inlet and outlet). Lightly coat each new O-ring with fresh PAG oil to aid installation and create a proper seal.
9. 9

   Connect AC lines to receiver/drier
   Remove caps from the receiver/drier ports and immediately connect the AC lines. Hand-thread each fitting carefully to avoid cross-threading. Using a torque wrench and 14mm flare nut wrench, torque both line fittings to specification. Verify O-rings have not pinched or displaced during installation.
   Torque spec

   AC Line Fittings20 Nm (15 lb-ft)
10. 10

    Reconnect electrical connector
    If equipped, reconnect the pressure switch electrical connector on top of the receiver/drier. Ensure it clicks securely into place and the locking tab engages.
11. 11

    Evacuate AC system
    Connect the AC vacuum pump to the system via the service ports. Evacuate the system to at least 29 inches of mercury vacuum for a minimum of 30 minutes (45 minutes recommended). Close valves and monitor vacuum for 10 minutes to verify system holds vacuum without loss, indicating no leaks are present.
    ⚠Proper evacuation is critical to remove all moisture from the system. Insufficient evacuation will cause premature receiver/drier saturation and compressor damage.
12. 12

    Recharge AC system
    Using the AC manifold gauge set and refrigerant scale, recharge the system with the exact amount of refrigerant specified on the underhood label (typically 450-550 grams). Charge through the low side port only with engine running and AC on MAX. Monitor pressures during charging to ensure proper system operation.

Reassembly

1. Reinstall any plastic covers or shields that were removed for access
2. Reposition washer fluid reservoir if it was moved
3. Reconnect the negative battery cable
4. Clear any diagnostic trouble codes that may have been set during battery disconnect

Verification

• Start the engine and turn AC to maximum cooling with blower on high
• Verify compressor clutch engages and cycles normally
• Check that both high and low side pressures are within specification (low side 25-35 psi, high side 200-250 psi at idle with 95°F ambient)
• Verify cold air output from vents reaches 40-50°F with ambient temperature around 95°F
• Inspect all AC line connections at receiver/drier for signs of refrigerant leaks using leak detector or soap solution
• Check that pressure switch connector is secure and system maintains pressure
• Run system for 10-15 minutes and verify no abnormal noises or cycling issues
• Confirm no warning lights or AC-related diagnostic codes are present

More procedures for this vehicle