Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2007HIGHLANDER 2WD V6-3.3L (3MZ-FE)REPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGCOMPRESSOR HVACCOMPRESSOR CLUTCHSERVICE AND REPAIROVERHAUL
2007 Toyota Highlander 2WD V6-3.3L (3MZ-FE)
Overhaul
2007 Toyota Highlander 2WD V6-3.3L (3MZ-FE)SECTION Overhaul
DISASSEMBLY
1. REMOVE MAGNET CLUTCH ASSEMBLY
a. Remove the 2 bolts and the bracket.
b. Place the compressor and magnetic clutch in a vise.
NOTE: Do not get the bracket and harness caught in the vise.
c. Using SST, hold the magnet clutch hub.
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.
e. Using a snap ring expander, remove the snap ring and magnet clutch rotor.
NOTE: Do not damage the seal cover of the bearing when removing the snap ring.
f. Remove the screw and disconnect the connector.
g. Using a snap ring expander, remove the snap ring and magnet clutch stator.
REASSEMBLY
1. INSTALL MAGNET CLUTCH ASSEMBLY
a. Fit the magnet clutch stator convex to the compressor groove as shown in the illustration and install the magnet clutch stator.
b. Using a snap ring expander, install a new snap ring with the chamfered side facing up.
NOTE: Do not damage the seal cover of the bearing when removing the snap ring.
c. Install the screw and connect the connector.
d. Using a snap ring expander, install the magnet clutch rotor and a new snap ring with the chamfered side facing up.
NOTE:
- Do not expand the snap ring by more than 30.5 mm when installing it.
- Do not damage the seal cover of the bearing when removing the snap ring.
e. Install the magnet clutch washer and magnet clutch hub.
NOTE: Do not change the combination of the magnet clutch washers used before disassembly.
f. Using SST, hold the magnet clutch hub and install the bolt.
Torque: 18 N.m(183 kgf.cm, 13 ft.lbf)
NOTE: Make sure that there is no foreign matter or oil on the compressor shaft, bolt, and clutch hub.
1. REMOVE MAGNET CLUTCH ASSEMBLY
a. Remove the 2 bolts and the bracket.
b. Place the compressor and magnetic clutch in a vise.
NOTE: Do not get the bracket and harness caught in the vise.
c. Using SST, hold the magnet clutch hub.
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.
e. Using a snap ring expander, remove the snap ring and magnet clutch rotor.
NOTE: Do not damage the seal cover of the bearing when removing the snap ring.
f. Remove the screw and disconnect the connector.
g. Using a snap ring expander, remove the snap ring and magnet clutch stator.
REASSEMBLY
1. INSTALL MAGNET CLUTCH ASSEMBLY
a. Fit the magnet clutch stator convex to the compressor groove as shown in the illustration and install the magnet clutch stator.
b. Using a snap ring expander, install a new snap ring with the chamfered side facing up.
NOTE: Do not damage the seal cover of the bearing when removing the snap ring.
c. Install the screw and connect the connector.
d. Using a snap ring expander, install the magnet clutch rotor and a new snap ring with the chamfered side facing up.
NOTE:
- Do not expand the snap ring by more than 30.5 mm when installing it.
- Do not damage the seal cover of the bearing when removing the snap ring.
e. Install the magnet clutch washer and magnet clutch hub.
NOTE: Do not change the combination of the magnet clutch washers used before disassembly.
f. Using SST, hold the magnet clutch hub and install the bolt.
Torque: 18 N.m(183 kgf.cm, 13 ft.lbf)
NOTE: Make sure that there is no foreign matter or oil on the compressor shaft, bolt, and clutch hub.
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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.