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 4WD L4-2.4L (2AZ-FE)REPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLESERVICE AND REPAIROVERHAULAUTOMATIC TRANSMISSION UNITDISASSEMBLYPART 3
2007 Toyota Highlander 4WD L4-2.4L (2AZ-FE)
Part 3
2007 Toyota Highlander 4WD L4-2.4L (2AZ-FE)SECTION Part 3
DISASSEMBLY(continued)
51. REMOVE REAR PLANETARY SUN GEAR ASSEMBLY
(a) Remove the rear planetary sun gear assembly from the transaxle case.
(b) Remove the thrust bearing from the rear planetary sun gear.
(c) Remove the thrust washer No. 1 from the rear planetary sun gear.
52. REMOVE 1-WAY CLUTCH ASSEMBLY
(a) Remove the 1-way clutch and the thrust bearing from the transaxle case.
(b) Remove the inner race from the 1-way clutch.
53. REMOVE 1-WAY CLUTCH SLEEVE OUTER
(a) Remove the 1-way clutch sleeve outer from the transaxle case.
54. REMOVE 2ND BRAKE CLUTCH DISC
(a) Using a screwdriver, remove the snap ring.
(b) Remove the flange, 3 discs and 3 plates from the transaxle case.
55. INSPECT 2ND BRAKE CLUTCH DISC
56. REMOVE 2ND BRAKE PISTON ASSEMBLY
(a) Using a screwdriver, remove the snap ring.
(b) Remove the 2nd brake piston assembly from the transaxle case.
57. REMOVE REAR PLANETARY GEAR ASSEMBLY
(a) Using a screwdriver, remove the snap ring.
(b) Remove the rear planetary gear from the transaxle case.
(c) Remove the planetary carrier thrust washer No. 1 from the rear planetary gear.
(d) Remove the bearing race from the rear planetary gear.
58. REMOVE INPUT SUN GEAR
(a) Remove the 2 thrust bearings, the bearing race and the input sun gear from the transaxle case.
59. REMOVE FRONT PLANETARY GEAR ASSEMBLY
(a) Using a chisel and a hammer, unstake the lock washer.
NOTICE: Push down all claws of the washer. Otherwise SST can not be fully pressed against the nut and can not loosen the nut.
(b) Using SST, remove the nut.
SST 09387-00030, 09387-00080
(c) Using SST and a press, remove the front planetary gear assembly from the counter drive gear.
SST 09950-60010 (09951-00450)
(d) Remove front planetary gear assembly from the brake hub.
60. REMOVE FRONT PLANETARY RING GEAR
(a) Using a screwdriver, remove the snap ring and front planetary ring gear from the brake hub.
61. REMOVE 1ST AND REVERSE BRAKE CLUTCH DISC
(a) Remove the flange, 5 discs and 5 plates from the transaxle case.
62. INSPECT 1ST AND REVERSE BRAKE CLUTCH DISC
63. REMOVE 1ST AND REVERSE BRAKE RETURN SPRING SUB-ASSEMBLY
(a) Using SST, a press and a snap ring expander, remove the snap ring and the piston return spring.
SST 09387-00070
NOTICE:
^ Stop the press when the spring seat is lowered 1 to 2 mm (0.039 to 0.078 in.) from the snap ring groove, preventing the spring seat from deforming.
^ Do not expand the snap ring excessively.
64. INSPECT 1ST AND REVERSE BRAKE RETURN SPRING SUB-ASSEMBLY
65. REMOVE 1ST AND REVERSE BRAKE PISTON
(a) Apply compressed air (392 kPa, 4.0 kgf/cm2, 57 psi) to the transaxle case to remove the 1st & reverse brake piston.
NOTICE:
^ Blowing off the air may cause the piston jump-out. When removing the piston, hold it with your hand using a waste cloth.
^ Take care not to splash ATF when air-blowing.
(b) Remove 2 O-rings from the 1st & reverse brake piston.
66. REMOVE COUNTER DRIVE GEAR
(a) Using SST and a press, remove the counter drive gear from the transaxle case.
SST 09950-60010 (09951-00580), 09950-70010 (09951-07100)
(b) As shown in the illustration, tighten the 2 bolts evenly and make clearance of approximately 20.0 mm (0.797 in.) between the counter drive gear and the inner race.
(c) Using SST, remove the tapered roller bearing.
SST 09950-60010 (09951-00580), 09950-00020, 09950-00030
(d) Using a brass bar and a hammer, remove the 2 bearing outer races.
67. REMOVE COUNTER DRIVE GEAR HOLE SNAP RING
(a) Using a screwdriver, remove the snap ring from the transaxle case.
68. REMOVE BREATHER PLUG NO. 2 (ATM)
69. REMOVE UNDERDRIVE BRAKE PISTON
(a) Apply compressed air (392 kPa, 4.0 kgf/cm2, 57 psi) to the transaxle case to remove the U/D brake piston.
(b) Remove the 2 O-rings from the U/D brake piston.
(c) Using SST, remove the needle-roller bearing from the transaxle case.
SST 09387-00041 (09387-01021, 09387-01030, 09387-01040)
70. REMOVE UNDERDRIVE CLUTCH DRUM OIL SEAL RING
(a) Remove the 2 oil seal rings from the transaxle case.
71. REMOVE UNDERDRIVE CYLINDRICAL ROLLER BEARING
(a) Using SST, remove the cylindrical roller bearing from the transaxle case.
SST 09514-35011
72. REMOVE UNDERDRIVE OUTPUT SHAFT OIL SEAL RING
(a) Remove the oil seal ring from the transaxle housing.
73. REMOVE DIFFERENTIAL GEAR LUBE APPLY TUBE
(a) Remove the bolt, the clamp and the apply tube from the transaxle case.
51. REMOVE REAR PLANETARY SUN GEAR ASSEMBLY
(a) Remove the rear planetary sun gear assembly from the transaxle case.
(b) Remove the thrust bearing from the rear planetary sun gear.
(c) Remove the thrust washer No. 1 from the rear planetary sun gear.
52. REMOVE 1-WAY CLUTCH ASSEMBLY
(a) Remove the 1-way clutch and the thrust bearing from the transaxle case.
(b) Remove the inner race from the 1-way clutch.
53. REMOVE 1-WAY CLUTCH SLEEVE OUTER
(a) Remove the 1-way clutch sleeve outer from the transaxle case.
54. REMOVE 2ND BRAKE CLUTCH DISC
(a) Using a screwdriver, remove the snap ring.
(b) Remove the flange, 3 discs and 3 plates from the transaxle case.
55. INSPECT 2ND BRAKE CLUTCH DISC
56. REMOVE 2ND BRAKE PISTON ASSEMBLY
(a) Using a screwdriver, remove the snap ring.
(b) Remove the 2nd brake piston assembly from the transaxle case.
57. REMOVE REAR PLANETARY GEAR ASSEMBLY
(a) Using a screwdriver, remove the snap ring.
(b) Remove the rear planetary gear from the transaxle case.
(c) Remove the planetary carrier thrust washer No. 1 from the rear planetary gear.
(d) Remove the bearing race from the rear planetary gear.
58. REMOVE INPUT SUN GEAR
(a) Remove the 2 thrust bearings, the bearing race and the input sun gear from the transaxle case.
59. REMOVE FRONT PLANETARY GEAR ASSEMBLY
(a) Using a chisel and a hammer, unstake the lock washer.
NOTICE: Push down all claws of the washer. Otherwise SST can not be fully pressed against the nut and can not loosen the nut.
(b) Using SST, remove the nut.
SST 09387-00030, 09387-00080
(c) Using SST and a press, remove the front planetary gear assembly from the counter drive gear.
SST 09950-60010 (09951-00450)
(d) Remove front planetary gear assembly from the brake hub.
60. REMOVE FRONT PLANETARY RING GEAR
(a) Using a screwdriver, remove the snap ring and front planetary ring gear from the brake hub.
61. REMOVE 1ST AND REVERSE BRAKE CLUTCH DISC
(a) Remove the flange, 5 discs and 5 plates from the transaxle case.
62. INSPECT 1ST AND REVERSE BRAKE CLUTCH DISC
63. REMOVE 1ST AND REVERSE BRAKE RETURN SPRING SUB-ASSEMBLY
(a) Using SST, a press and a snap ring expander, remove the snap ring and the piston return spring.
SST 09387-00070
NOTICE:
^ Stop the press when the spring seat is lowered 1 to 2 mm (0.039 to 0.078 in.) from the snap ring groove, preventing the spring seat from deforming.
^ Do not expand the snap ring excessively.
64. INSPECT 1ST AND REVERSE BRAKE RETURN SPRING SUB-ASSEMBLY
65. REMOVE 1ST AND REVERSE BRAKE PISTON
(a) Apply compressed air (392 kPa, 4.0 kgf/cm2, 57 psi) to the transaxle case to remove the 1st & reverse brake piston.
NOTICE:
^ Blowing off the air may cause the piston jump-out. When removing the piston, hold it with your hand using a waste cloth.
^ Take care not to splash ATF when air-blowing.
(b) Remove 2 O-rings from the 1st & reverse brake piston.
66. REMOVE COUNTER DRIVE GEAR
(a) Using SST and a press, remove the counter drive gear from the transaxle case.
SST 09950-60010 (09951-00580), 09950-70010 (09951-07100)
(b) As shown in the illustration, tighten the 2 bolts evenly and make clearance of approximately 20.0 mm (0.797 in.) between the counter drive gear and the inner race.
(c) Using SST, remove the tapered roller bearing.
SST 09950-60010 (09951-00580), 09950-00020, 09950-00030
(d) Using a brass bar and a hammer, remove the 2 bearing outer races.
67. REMOVE COUNTER DRIVE GEAR HOLE SNAP RING
(a) Using a screwdriver, remove the snap ring from the transaxle case.
68. REMOVE BREATHER PLUG NO. 2 (ATM)
69. REMOVE UNDERDRIVE BRAKE PISTON
(a) Apply compressed air (392 kPa, 4.0 kgf/cm2, 57 psi) to the transaxle case to remove the U/D brake piston.
(b) Remove the 2 O-rings from the U/D brake piston.
(c) Using SST, remove the needle-roller bearing from the transaxle case.
SST 09387-00041 (09387-01021, 09387-01030, 09387-01040)
70. REMOVE UNDERDRIVE CLUTCH DRUM OIL SEAL RING
(a) Remove the 2 oil seal rings from the transaxle case.
71. REMOVE UNDERDRIVE CYLINDRICAL ROLLER BEARING
(a) Using SST, remove the cylindrical roller bearing from the transaxle case.
SST 09514-35011
72. REMOVE UNDERDRIVE OUTPUT SHAFT OIL SEAL RING
(a) Remove the oil seal ring from the transaxle housing.
73. REMOVE DIFFERENTIAL GEAR LUBE APPLY TUBE
(a) Remove the bolt, the clamp and the apply tube from the transaxle case.
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.