Toyota Highlander manuals

Toyota Highlander Service Manual: Cooler compressor ASSY (3MZ-FE)

Toyota Highlander Service Manual / Heater & air conditioner / Cooler compressor ASSY (3MZ-FE)

COMPONENTS

COMPONENTS


REPLACEMENT

HINT: COMPONENTS: see page 55-51

1. DISCHARGE REFRIGERANT FROM REFRIGERATION SYSTEM (SEE PAGE 55-17 )

SST 07110-58060 (07117-58080, 07117-58090, 07117-78050, 07117-88060, 07117-88070, 07117-88080)

2. REMOVE V (COOLER COMPRESSOR TO CRANKSHAFT PULLEY) BELT NO.1 (SEE PAGE 55-22 )

3. DISCONNECT COOLER REFRIGERANT SUCTION HOSE NO.1

 DISCONNECT COOLER REFRIGERANT SUCTION HOSE NO.1


(a) Remove the bolt and disconnect the cooler refrigerant suction hose No.1 from the compressor and magnetic clutch.

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

NOTICE: Seal the opening of the disconnected parts using vinyl tape to prevent moisture and foreign matter from entering.

4. DISCONNECT COOLER REFRIGERANT DISCHARGE HOSE NO.1

 DISCONNECT COOLER REFRIGERANT DISCHARGE HOSE NO.1


(a) Remove the nut and disconnect the cooler refrigerant discharge hose No.1 from the compressor and magnetic clutch.

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

NOTICE: Seal the opening of the disconnected parts using vinyl tape to prevent moisture and foreign matter from entering.

5. REMOVE ENGINE UNDER COVER NO.1

6. REMOVE COMPRESSOR AND MAGNETIC CLUTCH

REMOVE COMPRESSOR AND MAGNETIC CLUTCH


(a) Disconnect the connector and clamp.

(b) Remove the 2 bolts, nut and the cooler compressor bracket.

REMOVE COMPRESSOR AND MAGNETIC CLUTCH


(c) Remove the 3 bolts and the compressor and magnetic clutch.

7. REMOVE MAGNET CLUTCH ASSY

REMOVE MAGNET CLUTCH ASSY


(a) Remove the 2 bolts and the bracket.

(b) Place the compressor and magnetic clutch in a vise.

NOTICE: Do not get the bracket and harness caught in the vise.

REMOVE MAGNET CLUTCH ASSY


(c) Using SST, hold the magnet clutch hub.

SST 95047-10400

(d) Remove the bolt, magnet clutch hub and magnet clutch washer.

HINT: There is no set number of magnet clutch washers since they are used for adjusting.

REMOVE MAGNET CLUTCH ASSY


(e) Using a snap ring expander, remove the snap ring and magnet clutch rotor.

NOTICE: Do not damage the seal cover of the bearing when removing the snap ring.

(f) Remove the screw and disconnect the connector.

REMOVE MAGNET CLUTCH ASSY


(g) Using a snap ring expander, remove the snap ring and magnet clutch stator.

8. INSTALL MAGNET CLUTCH ASSY

INSTALL MAGNET CLUTCH ASSY


(a) Fit the magnet clutch stator convex to the compressor groove as shown in the illustration and install the magnet clutch stator.

INSTALL MAGNET CLUTCH ASSY


(b) Using a snap ring expander, install a new snap ring with the chamfered side facing up.

NOTICE: Do not damage the seal cover of the bearing when removing the snap ring.

(c) Install the screw and connect the connector.

INSTALL MAGNET CLUTCH ASSY


(d) Using a snap ring expander, install the magnet clutch rotor and a new snap ring with the chamfered side facing up.

NOTICE:

(e) Install the magnet clutch washer and magnet clutch hub.

NOTICE: Do not change the combination of the magnet clutch washers used before disassembly.

INSTALL MAGNET CLUTCH ASSY


(f) Using SST, hold the magnet clutch hub and install the bolt.

SST 95047-10400

Torque: 18 NVm (183 kgfVcm, 13 ftVlbf)

NOTICE: Make sure that there is no foreign matter or oil on the compressor shaft, bolt, and clutch hub.

9. INSPECT MAGNETIC CLUTCH CLEARANCE

INSPECT MAGNETIC CLUTCH CLEARANCE


(a) Set the dial gage to the magnet clutch hub.

(b) Connect the positive battery lead to terminal 3 of the magnet clutch connector and the negative lead to the earth wire. Turn on and off the magnet clutch and measure the clearance.

Standard clearance: 0.35 to 0.60 mm (0.013 to 0.023 in.)

If the measured value is not within the standard range, remove the magnet clutch hub and adjust it with magnet clutch washers.

NOTICE: Adjustment should be performed with 3 or less magnet clutch washers.

(c) Remove the compressor and magnetic clutch from the vise.

INSPECT MAGNETIC CLUTCH CLEARANCE


(d) Install bracket with the 2 bolts.

10. INSPECT COMPRESSOR OIL

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

Standard: (Oil capacity inside new compressor and magnetic clutch: 120 + 15 cc (4.0 + 0.5 fl. oz.) ) - (Remaining oil amount in the removed compressor and magnetic clutch) = (Oil amount to be removed when replacing)

NOTICE:

11. TEMPORARILY TIGHTEN COMPRESSOR AND MAGNETIC CLUTCH

TEMPORARILY TIGHTEN COMPRESSOR AND MAGNETIC CLUTCH


(a) Temporarily tighten the compressor and magnetic clutch with the 3 bolts.

12. FULLY TIGHTEN COMPRESSOR AND MAGNETIC CLUTCH

FULLY TIGHTEN COMPRESSOR AND MAGNETIC CLUTCH


(a) Fully tighten the compressor and magnetic clutch with the 3 bolts.

Torque: 25 NVm (250 kgfVcm, 18 in.Vlbf)

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

FULLY TIGHTEN COMPRESSOR AND MAGNETIC CLUTCH


(b) Install the cooler compressor bracket with the 2 bolts and nut.

Torque: Bolt (A): 25 NVm (250 kgfVcm, 18 in.Vlbf) Bolt (B): 18 NVm (184 kgfVcm, 13 in.Vlbf) Nut : 25 NVm (250 kgfVcm, 18 in.Vlbf)

(c) Connect the connector and clamp on the cooler compressor bracket.

13. INSTALL COOLER REFRIGERANT DISCHARGE HOSE NO.1

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

(b) Sufficiently apply compressor oil to the new O-ring and fitting surface of the compressor and magnetic clutch.

Compressor oil: ND-OIL8 or equivalent (c) Install the O-ring to the cooler refrigerant discharge hose No.1.

INSTALL COOLER REFRIGERANT DISCHARGE HOSE NO.1


(d) Install the cooler refrigerant discharge hose No.1 to the compressor and magnetic clutch with the nut.

Torque: 9.8 NVm (100 kgfVcm, 87 in.Vlbf)

14. INSTALL COOLER REFRIGERANT SUCTION HOSE NO.1

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

(b) Sufficiently apply compressor oil to the new O-ring and fitting surface of the compressor and magnetic clutch.

Compressor oil: ND-OIL8 or equivalent

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

INSTALL COOLER REFRIGERANT SUCTION HOSE NO.1


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

Torque: 9.8 NVm (100 kgfVcm, 87 in.Vlbf)

15. INSTALL V (COOLER COMPRESSOR TO CRANKSHAFT PULLEY) BELT NO.1 (SEE PAGE 55-22 )

16. ADJUST V (COOLER COMPRESSOR TO CRANKSHAFT PULLEY) BELT NO.1 (SEE PAGE 55-24 )

17. FULLY TIGHTEN V (COOLER COMPRESSOR TO CRANKSHAFT PULLEY) BELT NO.1 (SEE PAGE 55-24 )

18. CHARGE REFRIGERANT (SEE PAGE 55-17 )

SST 07110-58060 (07117-58060, 07117-58070, 07117-58080, 07117-58090, 07117-78050, 07117-88060, 07117-88070, 07117-88080)

Specified amount: 650 50 g (22.93 1.76 oz.)

19. WARM UP ENGINE (SEE PAGE 55-17 )

20. INSPECT LEAKAGE OF REFRIGERANT (SEE PAGE 55-17 )

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