Installation

2012 Lexus IS 250C V6-2.5L (4GR-FSE)SECTION Installation




HEATING / AIR CONDITIONING: COMPRESSOR (for 4GR-FSE): INSTALLATION

1. INSTALL COMPRESSOR AND MAGNETIC CLUTCH

(a) Using a "TORX" socket wrench (E8), temporarily install the compressor and magnetic clutch with the stud bolt.





Torque : 10 Nm (102 kgf-cm, 7 ft-lbf)

(b) Install the compressor and magnetic clutch with the 3 bolts and nut.





Torque : 25 Nm (255 kgf-cm, 18 ft-lbf)

NOTICE:
Tighten the bolts in the order shown in the illustration to install the compressor and magnetic clutch.

2. INSTALL NO. 1 COOLER REFRIGERANT SUCTION HOSE

(a) Remove the attached vinyl tape from the hose.

(b) Apply sufficient compressor oil to a new O-ring and the fitting surface of the compressor and magnetic clutch.

Compressor oil:

ND-OIL 8 or equivalent

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

NOTICE:
Keep the O-ring and O-ring fitting surfaces free from dirt or any foreign objects.

(d) Install the No. 1 cooler refrigerant suction hose onto the compressor and magnetic clutch with the bolt.





Torque : 9.8 Nm (100 kgf-cm, 87 in-lbf)

3. INSTALL DISCHARGE HOSE SUB-ASSEMBLY

(a) Remove the attached vinyl tape from the hose.

(b) Apply sufficient compressor oil to a new O-ring and the fitting surface of the compressor and magnetic clutch.

Compressor oil:

ND-OIL 8 or equivalent

(c) Install the O-ring onto the discharge hose sub-assembly.

(d) Install the discharge hose sub-assembly onto the compressor and magnetic clutch with the bolt.





Torque : 9.8 Nm (100 kgf-cm, 87 in-lbf)

4. INSTALL REAR ENGINE UNDER COVER LH Installation

5. INSTALL ENGINE UNDER COVER

6. INSTALL V-RIBBED BELT Installation

7. INSTALL V-BANK COVER SUB-ASSEMBLY Installation

8. INSTALL INLET NO. 1 AIR CLEANER Installation

9. CHARGE WITH REFRIGERANT Service and Repair

10. WARM UP ENGINE Service and Repair

11. INSPECT FOR REFRIGERANT LEAK Service and Repair

12. INSTALL COOL AIR INTAKE DUCT SEAL Installation
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.