Toyota Tundra Service Manual: Removal

REMOVAL

PROCEDURE

1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM

(a) for HFC-134a(R134a):

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(b) for HFO-1234yf(R1234yf):

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2. PRECAUTION

NOTICE:

After turning the ignition switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice before proceeding with work.

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3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

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4. REMOVE FRONT BUMPER COVER

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5. REMOVE RADIATOR ASSEMBLY

(a) for 1UR-FE:

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(b) for 3UR-FE:

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(c) for 3UR-FBE:

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6. DISCONNECT NO. 1 COOLER REFRIGERANT DISCHARGE HOSE

(a) Remove the bolt and disconnect the No. 1 cooler refrigerant discharge hose from the cooler condenser assembly.

NOTICE:

  • When removing the bolt, do not allow any tools to contact the pipe.
  • When removing the bolt, hold a part of the pipe near the connector.

(b) Remove the O-ring from the No. 1 cooler refrigerant discharge hose.

NOTICE:

Seal the openings of the disconnected parts using vinyl tape to prevent moisture and foreign matter from entering them.

7. DISCONNECT AIR CONDITIONER TUBE ASSEMBLY

(a) Remove the 2 bolts and air conditioner tube assembly from the cooler condenser assembly.

NOTICE:

  • When removing the bolt, do not allow any tools to contact the pipe.
  • When removing the bolt, hold a part of the pipe near the connector.

(b) Remove the O-ring from the air conditioner tube assembly.

NOTICE:

Seal the openings of the disconnected parts using vinyl tape to prevent moisture and foreign matter from entering them.

8. REMOVE COOLER CONDENSER ASSEMBLY

(a) Remove the 2 bolts.

(b) Remove the cooler condenser assembly as shown in the illustration.

9. REMOVE COOLER DRYER

(a) Using a 14 mm hexagon socket wrench, remove the cap from the modulator.

(b) Remove the O-ring from the cap.

(c) Using pliers, remove the cooler dryer.

    On-vehicle Inspection

    Front Evaporator Temperature Sensor

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