LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 71 (Hybrid Transaxle System (P710) - Service Information) >> Oil Cooler >> Installation [06/2018 - ] >> Procedure

Installation [06/2018 - ]: Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSTALL NO. 1 MOTOR COOLING HOSE 

    HINT: 

    Perform this procedure only when replacement of the motor cooling cooler is necessary.

    1. Coat the pipe of the motor cooling cooler with a small amount of ATF as shown in the illustration.
      GTY764374Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      ATF Application Area
    2. Install the No. 1 motor cooling hose to the motor cooling cooler, and slide the clip to secure it.
      GTY763093Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 0 to 3 mm (0 to 0.118 in.)
      *b 2 to 7 mm (0.0787 to 0.276 in.)
      *c Paint Mark
      *d Center of Paint Mark
      *e 120°
      Claw of Clip Location
      NOTE:
      • Be careful not to deform the motor cooling cooler.
      • Make sure to align the paint mark of the No. 1 motor cooling hose with the paint mark of the motor cooling cooler.
      • Make sure that the claws of the clip are positioned within the area shown in the illustration.
  2. INSTALL NO. 2 MOTOR COOLING HOSE 

    HINT: 

    Perform this procedure only when replacement of the motor cooling cooler is necessary.

    1. Coat the pipe of the motor cooling cooler with a small amount of ATF as shown in the illustration.
      GTY774609Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      ATF Application Area
    2. Install the No. 2 motor cooling hose to the motor cooling cooler, and slide the clip to secure it.
      GTY746183Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 0 to 3 mm (0 to 0.118 in.)
      *b 2 to 7 mm (0.0787 to 0.276 in.)
      *c Paint Mark
      *d Center of Paint Mark
      *e 120°
      Claw of Clip Location
      NOTE:
      • Be careful not to deform the motor cooling cooler.
      • Make sure to align the paint mark of the No. 2 motor cooling hose with the paint mark of the motor cooling cooler.
      • Make sure that the claws of the clip are positioned within the area shown in the illustration.
  3. INSTALL NO. 2 MOTOR COOLING PIPE 
    1. Install the No. 2 motor cooling pipe to the No. 2 motor cooling hose, and slide the clip to secure it.
      GTY743909Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 0 to 3 mm (0 to 0.118 in.)
      *b 2 to 7 mm (0.0787 to 0.276 in.)
      *c Paint Mark
      *d Center of Paint Mark
      *e 15°
      Center of Clip Location
      NOTE:
      • Make sure to align the paint mark of the No. 2 motor cooling pipe with the paint mark of the No. 2 motor cooling hose.
      • Make sure that the center of the clip (between the claws of the clip) is within 15° of the center of the paint mark as shown in the illustration.
  4. INSTALL MOTOR COOLING COOLER 
    1. Connect the No. 1 motor cooling hose to the transaxle housing tube connector, and slide the clip to secure it.
      GTY820574Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 0 to 3 mm (0 to 0.118 in.)
      *b 2 to 7 mm (0.0787 to 0.276 in.)
      *c Paint Mark
      *d Rib
      *e Center of Rib
      *f 180°
      Claw of Clip Location
      NOTE:
      • Make sure to align the paint mark of the No. 1 motor cooling hose with the rib of the hybrid vehicle transaxle assembly.
      • Make sure that the claws of the clip are within the location shown in the illustration.
    2. Temporarily install the motor cooling cooler to the No. 1 transmission control cable bracket with the 3 bolts.
      Fig 1: No. 1 Transmission Control Cable Bracket Bolt Tightening Sequence
      GTY772288Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Tighten the 3 bolts in the order shown in the illustration.

      Torque: 11.5 N.m (117 kgf/cm, 8 ft.lbf) 

    4. Temporarily install the No. 2 motor cooling pipe to the hybrid vehicle transaxle assembly with the oil cooler union bolt and a new gasket.
      GTY748586Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Oil Cooler Union Bolt
      *2 Gasket
    5. Install the No. 2 motor cooling pipe to the hose bracket with the bolt and No. 1 oil cooler tube clamp.
      GTY757366Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 11.5 N.m (117 kgf/cm, 8 ft.lbf) 

    6. Tighten the oil cooler union bolt.
      GTY757367Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 35 N.m (357 kgf/cm, 26 ft.lbf) 

  5. CONNECT NO. 5 INVERTER COOLING HOSE 

    Refer to PROCEDURE - Step 26 [06/2018 - 08/2021] , or refer to PROCEDURE - Step 27 [08/2021 - ]

  6. INSTALL NO. 1 INVERTER COOLING HOSE 
    1. Install the No. 1 inverter cooling hose to the motor cooling cooler, and slide the clip to secure it.
      GTY750753Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 2 to 7 mm (0.0787 to 0.276 in.)
      *b Paint Mark
      *c Center of Paint Mark
      *d 120°
      Claw of Clip Location
      NOTE:
      • Be careful not to deform the motor cooling cooler.
      • Make sure to align the paint mark of the No. 1 inverter cooling hose with the paint mark of the motor cooling cooler.
      • Make sure that the claws of the clip are positioned within the area shown in the illustration.
  7. INSTALL INVERTER WITH CONVERTER ASSEMBLY 

    Refer to INSTALLATION [06/2018 - ]

  8. INSPECT HYBRID TRANSAXLE FLUID 

    See step  5

  9. INSPECT FOR HYBRID TRANSAXLE FLUID LEAK 
  10. INSTALL FRONT FENDER APRON SEAL LH 

    Refer to PROCEDURE - Step 40 [06/2018 - 08/2021] , or refer to PROCEDURE - Step 41 [08/2021 - ]

  11. INSTALL NO. 2 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 42 [06/2018 - 08/2021] , or refer to PROCEDURE - Step 43 [08/2021 - ]

  12. INSTALL NO. 1 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 43 [06/2018 - 08/2021] , or refer to PROCEDURE - Step 44 [08/2021 - ]

  13. INSTALL FRONT WHEEL OPENING EXTENSION PAD LH 

    Refer to PROCEDURE - Step 44 [06/2018 - 08/2021] , or refer to PROCEDURE - Step 45 [08/2021 - ]

  14. INSTALL FRONT WHEEL OPENING EXTENSION PAD RH 

    Refer to PROCEDURE - Step 45 [06/2018 - 08/2021] , or refer to PROCEDURE - Step 46 [08/2021 - ]