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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 DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLESERVICE AND REPAIRREMOVAL AND REPLACEMENTTRANSMISSION INSTALLATION
2007 Toyota Highlander 2WD V6-3.3L (3MZ-FE)
Transmission Installation
2007 Toyota Highlander 2WD V6-3.3L (3MZ-FE)SECTION Transmission Installation
INSTALLATION
1. INSTALL TORQUE CONVERTER CLUTCH ASSEMBLY
(a) Install the torque converter clutch to the automatic transaxle.

(b) Using vernier calipers and a straight edge, measure the dimension "A" between the transaxle fitting part of the engine and the converter fitting part of the drive plate (*1).

(c) Using vernier calipers and a straight edge, measure the dimension "B" shown in the illustration and check that "B" is greater than "A" (measured in step (*1)).
Standard: A + 1 mm (0.03937 in.) or more
NOTICE: Remember to subtract the thickness of the straight edge.

2. INSTALL AUTOMATIC TRANSAXLE ASSEMBLY
(a) Install the automatic transaxle to the engine with the 8 bolts.
Torque:
Bolt A 64 N*m (650 kgf*cm, 47 ft.*lbf)
Bolt B 46 N*m (470 kgf*cm, 34 ft.*lbf)
Bolt C 37 N*m (377 kgf*cm, 27 ft.*lbf)
(b) Apply a few drops of adhesive to each of 2 threads on the tip of the 6 torque converter clutch mounting bolts.
Adhesive: Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent

(c) Install the 6 torque converter clutch mounting bolts.
Torque: 41 N*m (418 kgf*cm, 30 ft.*lbf)
NOTICE: First install the green colored bolt, and then the remaining 5 bolts.

(d) Install the flywheel housing under cover to the automatic transaxle with the 2 bolt.
Torque: 7.8 N*m (80 kgf*cm, 69 in.*lbf)

3. INSTALL ENGINE MOUNTING BRACKET FRONT
(a) Install the engine mounting bracket front to the automatic transaxle with the 3 bolts.
Torque: 64 N*m (653 kgf*cm, 47 ft.*lbf)

4. INSTALL TRANSMISSION OIL FILLER TUBE SUB-ASSEMBLY
(a) Coat a new O-ring with ATF, and install it to the transmission oil filler tube sub-assembly.
(b) Install the transmission oil filler tube sub-assembly and bolt to the automatic transaxle.
Torque: 5.5 N*m (56 kgf*cm, 49 in.*lbf)

(c) Install the transmission oil level gauge sub-assembly.
NOTICE: The breather hose should be on the left side of the vehicle.
(d) Connect the breather hose to the wire harness bracket.

5. INSTALL TRANSMISSION CONTROL CABLE BRACKET NO. 1
(a) Install the control cable bracket No. 1 with the 2 bolts.
Torque: 12 N*m (122 kgf*cm, 9 ft.*lbf)
6. INSTALL OIL COOLER INLET TUBE NO. 1
(a) Temporarily install the oil cooler outlet tube No. 1.
(b) Temporarily install the oil cooler inlet tube No. 1.

(c) Install the oil cooler tube clamp and bolt.
Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf)
HINT: Install the automatic transmission oil cooler tube clamp and bolt so that the oil cooler tube cushion is positioned as illustrated.

(d) Using SST and a wrench, tighten the oil cooler inlet tube No. 1.
SST 09023-12701
Torque: 34 N*m (347 kgf*cm, 25 ft.*lbf)
7. INSTALL OIL COOLER OUTLET TUBE NO. 1
(a) Using SST and a wrench, tighten the oil cooler outlet tube No. 1.
SST 09023-12701
Torque: 34 N*m (347 kgf*cm, 25 ft.*lbf)

8. CONNECT CONNECTORS
(a) Connect the transmission wire connector.
(b) Connect the park/neutral position switch connector.
(c) Connect the 2 speed sensor connectors.

9. INSTALL STARTER ASSEMBLY
(a) Install the starter assembly with the 2 bolts (1).
Torque: 37 N*m (377 kgf*cm, 27 ft.*lbf)
(b) Connect the connector (2).
(c) Connect the starter wire with the nut (3).
Torque: 9.8 N*m (100 kgf*cm, 87 in.*lbf)

10. CONNECT WIRE HARNESS
(a) Connect the wire harness with the bolt.
Torque: 13 N*m (133 kgf*cm, 10 ft.*lbf)

11. INSTALL WIRE HARNESS CLAMP
(a) Install the 2 clamps and 3 bolts.
Torque: 8.4 N*m (86 kgf*cm, 74 in.*lbf)
(b) Connect the wire harnesses to the clamps.

12. INSTALL TRANSMISSION CONTROL CABLE CLAMP
(a) Install the transmission control cable clamp with the bolt.
Torque: 12 N*m (122 kgf*cm, 9 ft.*lbf)
13. INSTALL FRONT DRIVE SHAFT ASSEMBLY LH
14. INSTALL FRONT DRIVE SHAFT ASSEMBLY RH
15. INSTALL ENGINE ASSEMBLY WITH TRANSAXLE
16. RESET MEMORY
1. INSTALL TORQUE CONVERTER CLUTCH ASSEMBLY
(a) Install the torque converter clutch to the automatic transaxle.
(b) Using vernier calipers and a straight edge, measure the dimension "A" between the transaxle fitting part of the engine and the converter fitting part of the drive plate (*1).
(c) Using vernier calipers and a straight edge, measure the dimension "B" shown in the illustration and check that "B" is greater than "A" (measured in step (*1)).
Standard: A + 1 mm (0.03937 in.) or more
NOTICE: Remember to subtract the thickness of the straight edge.
2. INSTALL AUTOMATIC TRANSAXLE ASSEMBLY
(a) Install the automatic transaxle to the engine with the 8 bolts.
Torque:
Bolt A 64 N*m (650 kgf*cm, 47 ft.*lbf)
Bolt B 46 N*m (470 kgf*cm, 34 ft.*lbf)
Bolt C 37 N*m (377 kgf*cm, 27 ft.*lbf)
(b) Apply a few drops of adhesive to each of 2 threads on the tip of the 6 torque converter clutch mounting bolts.
Adhesive: Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent
(c) Install the 6 torque converter clutch mounting bolts.
Torque: 41 N*m (418 kgf*cm, 30 ft.*lbf)
NOTICE: First install the green colored bolt, and then the remaining 5 bolts.
(d) Install the flywheel housing under cover to the automatic transaxle with the 2 bolt.
Torque: 7.8 N*m (80 kgf*cm, 69 in.*lbf)
3. INSTALL ENGINE MOUNTING BRACKET FRONT
(a) Install the engine mounting bracket front to the automatic transaxle with the 3 bolts.
Torque: 64 N*m (653 kgf*cm, 47 ft.*lbf)
4. INSTALL TRANSMISSION OIL FILLER TUBE SUB-ASSEMBLY
(a) Coat a new O-ring with ATF, and install it to the transmission oil filler tube sub-assembly.
(b) Install the transmission oil filler tube sub-assembly and bolt to the automatic transaxle.
Torque: 5.5 N*m (56 kgf*cm, 49 in.*lbf)
(c) Install the transmission oil level gauge sub-assembly.
NOTICE: The breather hose should be on the left side of the vehicle.
(d) Connect the breather hose to the wire harness bracket.
5. INSTALL TRANSMISSION CONTROL CABLE BRACKET NO. 1
(a) Install the control cable bracket No. 1 with the 2 bolts.
Torque: 12 N*m (122 kgf*cm, 9 ft.*lbf)
6. INSTALL OIL COOLER INLET TUBE NO. 1
(a) Temporarily install the oil cooler outlet tube No. 1.
(b) Temporarily install the oil cooler inlet tube No. 1.
(c) Install the oil cooler tube clamp and bolt.
Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf)
HINT: Install the automatic transmission oil cooler tube clamp and bolt so that the oil cooler tube cushion is positioned as illustrated.
(d) Using SST and a wrench, tighten the oil cooler inlet tube No. 1.
SST 09023-12701
Torque: 34 N*m (347 kgf*cm, 25 ft.*lbf)
7. INSTALL OIL COOLER OUTLET TUBE NO. 1
(a) Using SST and a wrench, tighten the oil cooler outlet tube No. 1.
SST 09023-12701
Torque: 34 N*m (347 kgf*cm, 25 ft.*lbf)
8. CONNECT CONNECTORS
(a) Connect the transmission wire connector.
(b) Connect the park/neutral position switch connector.
(c) Connect the 2 speed sensor connectors.
9. INSTALL STARTER ASSEMBLY
(a) Install the starter assembly with the 2 bolts (1).
Torque: 37 N*m (377 kgf*cm, 27 ft.*lbf)
(b) Connect the connector (2).
(c) Connect the starter wire with the nut (3).
Torque: 9.8 N*m (100 kgf*cm, 87 in.*lbf)
10. CONNECT WIRE HARNESS
(a) Connect the wire harness with the bolt.
Torque: 13 N*m (133 kgf*cm, 10 ft.*lbf)
11. INSTALL WIRE HARNESS CLAMP
(a) Install the 2 clamps and 3 bolts.
Torque: 8.4 N*m (86 kgf*cm, 74 in.*lbf)
(b) Connect the wire harnesses to the clamps.
12. INSTALL TRANSMISSION CONTROL CABLE CLAMP
(a) Install the transmission control cable clamp with the bolt.
Torque: 12 N*m (122 kgf*cm, 9 ft.*lbf)
13. INSTALL FRONT DRIVE SHAFT ASSEMBLY LH
14. INSTALL FRONT DRIVE SHAFT ASSEMBLY RH
15. INSTALL ENGINE ASSEMBLY WITH TRANSAXLE
16. RESET MEMORY
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.