Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Installation

INSTALLATION

PROCEDURE

1. INSTALL TRANSMISSION VALVE BODY ASSEMBLY

(a) Connect the manual valve connecting rod to the manual valve lever sub-assembly.

(b) Install the transmission valve body assembly to the automatic transaxle case sub-assembly with the 8 bolts. Torque: 10 N·m {102 kgf·cm, 7 ft·lbf} Bolt Length Bolt (A): 31 mm (1.22 in.) Bolt (B): 21 mm (0.827 in.) Bolt (C): 51 mm (2.01 in.)

(c) Engage the clamp and guide to connect the transmission revolution sensor (NC) wire.

(d) Coat the O-ring of the temperature sensor with ATF.

(e) Connect the temperature sensor and install the temperature sensor clamp to the transmission valve body assembly with the bolt.

Torque:

7.0 N·m {71 kgf·cm, 62 in·lbf}

(f) Connect the 9 shift solenoid valve connectors.

(g) Connect the transmission revolution sensor (NT) connector and transmission revolution sensor (NC) connector. NOTICE: Be sure to bend the wire harness toward the automatic transaxle case sub-assembly. If the wire harness is positioned close to the transmission valve body assembly, it may interfere with the manual valve connecting rod.

*a Transmission Revolution Sensor (NT) Connector *b Transmission Revolution Sensor (NC) Connector *c Bend wire harness toward automatic transaxle case sub-assembly

2. INSTALL TRANSAXLE SIDE COVER SUB-ASSEMBLY

(a) Remove any remaining seal packing from the sealing surface of the automatic transaxle case sub-assembly.

NOTICE:

Make sure that there is no ATF on the sealing surface.

(b) Clean the 13 bolts and bolt holes in the automatic transaxle case sub-assembly.

(c) Temporarily install 2 stud bolts to the automatic transaxle case sub-assembly by hand, to the positions shown in the illustration. Item Part Number Stud Bolt 92122-80825

(d) Apply FIPG to a new transaxle side cover sub-assembly. FIPG: Toyota Genuine Seal Packing 1281 Three Bond 1281 or equivalent NOTICE: Apply FIPG in a continuous line (width 2.5 mm (0.0984 in.)) along the sealing surface. After applying FIPG, install the transaxle side cover sub-assembly to the automatic transaxle case sub-assembly within 3 minutes and tighten the bolts within 20 minutes.

*a FIPG

(e) Apply adhesive to 2 or 3 threads on the ends of the 13 bolts. Adhesive: Toyota Genuine Adhesive 1344, Three Bond 1344 or equivalent NOTICE: Make sure to install the bolts immediately after applying adhesive to prevent foreign matter from attaching to them.

*a Adhesive

(f) Using a T40 "TORX" socket wrench, install the transaxle side cover sub-assembly to the automatic transaxle case sub-assembly with the 11 bolts. Torque: 13 N·m {133 kgf·cm, 10 ft·lbf}

*a Stud Bolt

(g) Remove the 2 stud bolts.

(h) Using a T40 "TORX" socket wrench, install the 2 bolts. Torque: 13 N·m {133 kgf·cm, 10 ft·lbf}

3. INSTALL INLET NO. 1 OIL COOLER TUBE SUB-ASSEMBLY

(a) Coat a new O-ring with ATF and install it to the inlet No. 1 oil cooler tube sub-assembly.

NOTICE:

Ensure that the O-ring is not twisted.

(b) Install the inlet No. 1 oil cooler tube sub-assembly to the transaxle housing.

NOTICE:

The installation bolts will be installed after installing the outlet No. 1 oil cooler tube sub-assembly.

4. INSTALL OUTLET NO. 1 OIL COOLER TUBE SUB-ASSEMBLY

(a) Coat a new O-ring with ATF and install it to the outlet No. 1 oil cooler tube sub-assembly.

NOTICE:

Ensure that the O-ring is not twisted.

(b) Install the outlet No. 1 oil cooler tube sub-assembly to the transaxle housing.

(c) Temporarily install the 4 bolts in the order shown in the illustration.

(d) Fully tighten the 4 bolts in the order shown in the illustration.

Torque:

25 N·m {255 kgf·cm, 18 ft·lbf}

5. CONNECT NO. 1 TRANSMISSION OIL COOLER HOSE ASSEMBLY

(a) Connect the 2 No. 1 transmission oil cooler hose assemblies and slide the 2 clips to secure them.

6. INSTALL FRONT ENGINE MOUNTING INSULATOR

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7. INSTALL FRONT FRAME ASSEMBLY

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8. ADJUST AUTOMATIC TRANSAXLE FLUID

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9. INSTALL FRONT FENDER APRON SEAL LH

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10. INSTALL NO. 3 ENGINE UNDER COVER

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11. INSTALL FRONT WHEEL OPENING EXTENSION PAD LH

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12. INSTALL FRONT WHEEL LH

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