LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2025 >> NX 250 FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 57 (Automatic Transaxle System - Service Information (1 Of 2)) >> Transmission Wire >> Installation [11/2021 - ] >> Procedure

Installation [11/2021 - ]: Procedure

WARNING: This page is about a different car, the 2025 Lexus NX 350, 2024 Lexus NX 350, 2023 Lexus NX 350, and 2022 Lexus NX 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSTALL TRANSMISSION WIRE 
    1. GTY1062282Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Coat the O-ring of the transmission wire with Toyota Genuine ATF WS.
    2. GTY1062067Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 5.4 N.m (55 kgf/cm, 48 in.lbf) 

    3. GTY1063011Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. GTY1062005Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Install the temperature sensor to the transmission valve body assembly with the bolt and temperature sensor clamp.

        Torque: 10.8 N.m (110 kgf/cm, 8 ft.lbf) 

        NOTE:

        To prevent it from being pinched between the transmission valve body assembly and the transmission case side cover, pass the transmission revolution sensor (NC) wire under the transmission wire (temperature sensor wire) as shown in the illustration.

        GTY691969Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Transmission Wire (Temperature Sensor Wire)
        *b Transmission Revolution Sensor (NC) Wire
    5. GTY1061401Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. GTY1061402Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. GTY1061372Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. GTY1062366Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Connect the 9 solenoid valve connectors as shown in the illustration.
        NOTE:
        GTY697301Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Do not let transmission wire protrude into this area.
        • To prevent it from being pinched between the transmission valve body assembly and the transmission case side cover, do not let the transmission wire ride up over the area shown in the illustration.
        • To prevent it from being pinched between the transmission case side cover and the automatic transaxle case sub-assembly, do not let the transmission wire protrude toward the transmission case side cover installation surface.
    9. GTY1062053Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL TRANSMISSION CASE SIDE COVER 
    1. GTY1062308Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Area to be cleaned - -
      1. Clean the transmission case side cover installation surface of the automatic transaxle case sub-assembly.
        NOTE:

        Completely remove any oil or grease from the contact surfaces of the automatic transaxle case sub-assembly.

    2. GTY1061446Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Temporarily install a new transmission case side cover to the automatic transaxle case sub-assembly with the 2 bolts ((A) and (B)).
        NOTE:

        To avoid damaging the gasket, prevent it from contacting the surrounding area during installation procedures.

      2. Temporarily install the 8 bolts (C).
    3. Fig 1: Transmission Case Side Cover Bolts Tightening Sequence
      GTY1061456Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Fully tighten the 10 bolts in the order shown in the illustration.

        Torque: 7.0 N.m (71 kgf/cm, 62 in.lbf) 

  3. INSTALL OUTLET NO. 1 OIL COOLER HOSE 

    HINT: 

    Perform this procedure only when replacement of the outlet No. 1 oil cooler hose or oil cooler union sub-assembly are necessary.

    1. GTY1061817Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 2 to 7 mm (0.0787 to 0.276 in.) *b 0 to 3 mm (0 to 0.118 in.)
      *c Paint Mark (Left Side of Vehicle) *d 30° (Paint Mark Location)
      1. Install the outlet No. 1 oil cooler hose to the oil cooler union sub-assembly and slide the clip to secure it.
        NOTE:
        • Make sure to slide the outlet No. 1 oil cooler hose until it contacts the hose stopper of the oil cooler union sub-assembly.
        • Make sure that the paint mark of the outlet No. 1 oil cooler hose is within the location shown in the illustration.
  4. INSTALL OIL COOLER UNION SUB-ASSEMBLY 
    1. GTY1062881Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Pass the oil cooler union sub-assembly through 2 new gaskets and temporarily install it to the automatic transaxle case sub-assembly with the oil cooler union bolt.
      2. Temporarily install the oil cooler union sub-assembly bracket portion to the automatic transaxle case sub-assembly with the bolt.
      3. Fully tighten the oil cooler union bolt.

        Torque: 22.6 N.m (230 kgf/cm, 17 ft.lbf) 

      4. Fully tighten the bolt.

        Torque: 12 N.m (122 kgf/cm, 9 ft.lbf) 

  5. INSTALL OIL COOLER BRACKET 

    Torque: 42 N.m (428 kgf/cm, 31 ft.lbf) 

  6. INSTALL ENGINE WIRE 
    1. GTY1062309Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Install the engine wire with the bolt.

        Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

      2. Connect the transmission wire connector and rotate the lever to engage the claw.

        HINT: 

        Rotate the lever until the claw of the transmission wire connector makes a click sound.

      3. Install the vacuum hose sub-assembly with the nut.

        Torque: 8.5 N.m (87 kgf/cm, 75 in.lbf) 

  7. INSTALL TRANSMISSION OIL COOLER 

    Refer to INSTALLATION [11/2021 - ] 

  8. INSTALL FRONT ENGINE MOUNTING INSULATOR 

    Refer to INSTALLATION [11/2021 - ]

  9. ADJUST AUTOMATIC TRANSAXLE FLUID 

    Refer to ADJUSTMENT [11/2021 - ] 

  10. INSPECT FOR AUTOMATIC TRANSAXLE FLUID LEAK 
  11. INSTALL FRONT FENDER APRON SEAL LH 

    Refer to PROCEDURE - Step 80 [11/2021 - 03/2023] , or refer to PROCEDURE - Step 81 [03/2023 - ]