Toyota Tundra Service Manual: Installation

INSTALLATION

PROCEDURE

1. ADJUST COMPRESSOR OIL

(a) When replacing the compressor and magnetic clutch with a new one, gradually discharge the refrigerant gas from the service valve, and drain the following amount of oil from the new compressor and magnetic clutch before installation.

Standard:

(Oil capacity inside the new compressor and magnetic clutch: 140 to 155 cc (4.73 to 5.24 fl.oz)) - (Remaining oil amount in the removed compressor and magnetic clutch) = (Oil amount to be removed from the new compressor when replacing)

NOTICE:

  • When checking the compressor oil level, follow the A/C system's precautions.
  • If a new compressor and magnetic clutch is installed without removing some oil remaining in the pipes of the vehicle, the oil amount will be too large. This prevents heat exchange in the refrigerant cycle and causes refrigerant failure.
  • If the volume of oil remaining in the removed compressor and magnetic clutch is too small, check for oil leakage.
  • Be sure to use ND-OIL 12 or equivalent for compressor oil.

2. INSTALL COOLER COMPRESSOR ASSEMBLY

(a) Install the cooler compressor assembly and 2 stud bolts.

Torque:

10 N·m {102 kgf·cm, 7 ft·lbf}

(b) Install the 2 bolts and 2 nuts.

Torque:

24.5 N·m {250 kgf·cm, 18 ft·lbf}

HINT:

Tighten the bolts and nuts in the order shown in the illustration to install the cooler compressor assembly.

(c) Connect the connector.

3. CONNECT NO. 1 COOLER REFRIGERANT SUCTION HOSE

(a) Remove the attached vinyl tape from the No. 1 cooler refrigerant suction hose.

(b) Sufficiently apply compressor oil to a new O-ring and the fitting surface of the cooler compressor assembly.

Compressor oil:

ND-OIL 12 or equivalent

(c) Install the O-ring to the No. 1 cooler refrigerant suction hose.

(d) Connect the No. 1 cooler refrigerant suction hose to the cooler compressor assembly with the bolt.

Torque:

9.8 N·m {100 kgf·cm, 87 in·lbf}

4. CONNECT NO. 1 COOLER REFRIGERANT DISCHARGE HOSE

(a) Remove the attached vinyl tape from the No. 1 cooler refrigerant discharge hose.

(b) Sufficiently apply compressor oil to a new O-ring and the fitting surface of the cooler compressor assembly.

Compressor oil:

ND-OIL 12 or equivalent

(c) Install the O-ring to the No. 1 cooler refrigerant discharge hose.

(d) Connect the No. 1 cooler refrigerant discharge hose to the cooler compressor assembly with the bolt.

Torque:

9.8 N·m {100 kgf·cm, 87 in·lbf}

5. INSTALL FAN AND GENERATOR V BELT

(a) for 1UR-FE:

Click here

(b) for 3UR-FE:

Click here

(c) for 3UR-FBE:

Click here

6. INSTALL FRONT FENDER APRON SEAL LH

(a) Install the front fender apron seal LH with the 6 clips.

7. CHARGE REFRIGERANT (for HFC-134a(R134a))

Click here

8. CHARGE AIR CONDITIONING SYSTEM WITH REFRIGERANT (for HFO-1234yf(R1234yf))

Click here

9. WARM UP ENGINE

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

Click here

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

Click here

10. CHECK FOR REFRIGERANT GAS LEAK (for HFC-134a(R134a))

Click here

11. INSPECT FOR REFRIGERANT LEAK (for HFO-1234yf(R1234yf))

Click here

    Inspection

    Reassembly

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