DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 80 (Hybrid Transaxle System (P810) - Service Information) >> OIL COOLER (for Water Cooled Type) >> Installation [12/2019 - 11/2023] >> Procedure

Installation [12/2019 - 11/2023]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. INSTALL MOTOR COOLING COOLER 
    1. Temporarily install the motor cooling cooler to the No. 1 transmission control cable bracket with the 3 bolts.
      Fig 1: Motor Cooling Cooler With Bolts Tightening Sequence
      GTY921275Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Tighten the 3 bolts in the order shown in the illustration.

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

  2. CONNECT NO. 1 MOTOR COOLING HOSE 
    1. Install the No. 1 motor cooling hose to the motor cooling cooler, and slide the clip to secure it.
      GTY908708Courtesy 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 45° (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 within the location shown in the illustration.
  3. CONNECT NO. 2 TRANSMISSION OIL COOLER HOSE ASSEMBLY 
    1. Connect the No. 2 transmission oil cooler hose assembly to the motor cooling cooler and slide the clip to secure it.
      NOTE:
      • Make sure to slide the No. 2 transmission oil cooler hose assembly until it contacts the hose stopper of the motor cooling cooler.
      • Make sure to align the paint mark of the No. 2 transmission oil cooler hose assembly with the paint mark of the motor cooling cooler.
      • Make sure that the claws of the clip are within the location shown in the illustration.
      GTY853644Courtesy 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 45° (Claw of Clip Location)
  4. CONNECT NO. 5 INVERTER COOLING HOSE 

    Refer to PROCEDURE - Step 32 [12/2019 - 10/2022] , or refer to PROCEDURE - Step 32 [10/2022 - 11/2023]

  5. CONNECT NO. 1 INVERTER COOLING HOSE 
    1. Connect the No. 1 inverter cooling hose to the motor cooling cooler, and slide the clip to secure it.
      GTY913156Courtesy 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 within the location shown in the illustration.
  6. INSTALL AIR CLEANER ASSEMBLY WITH AIR CLEANER HOSE 

    Refer to PROCEDURE - Step 19

  7. INSTALL INLET AIR CLEANER ASSEMBLY 

    Refer to PROCEDURE - Step 20

  8. INSTALL COOL AIR INTAKE DUCT SEAL 

    Refer to PROCEDURE - Step 4 [12/2019 - 09/2020] , or refer to PROCEDURE - Step 4 [09/2020 - ]

  9. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 66 [12/2019 - 10/2022] , or refer to PROCEDURE - Step 66 [10/2022 - 11/2023]

  10. INSPECT HYBRID TRANSAXLE FLUID 

    See step  5

  11. INSPECT FOR HYBRID TRANSAXLE FLUID LEAK 
  12. ADD COOLANT (for Inverter) 

    Refer to PROCEDURE - Step 2

  13. INSPECT FOR COOLANT LEAK (for Inverter) 

    Refer to PROCEDURE - Step 1

  14. INSTALL NO. 2 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 62 [12/2019 - 10/2022] , or refer to PROCEDURE - Step 62 [10/2022 - 11/2023]

  15. INSTALL NO. 1 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 63 [12/2019 - 10/2022] , or refer to PROCEDURE - Step 63 [10/2022 - 11/2023]

  16. INSTALL FRONT WHEEL OPENING EXTENSION PAD RH 

    Refer to PROCEDURE - Step 65 [12/2019 - 10/2022] , or refer to PROCEDURE - Step 65 [10/2022 - 11/2023]

  17. INSTALL FRONT WHEEL OPENING EXTENSION PAD LH 

    Refer to PROCEDURE - Step 64 [12/2019 - 10/2022] , or refer to PROCEDURE - Step 64 [10/2022 - 11/2023]

Diesel-Data.com