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Home >> Toyota >> 2017 >> Highlander XLE, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission (UA80F) - Service Information (1 Of 2) (Except Hybrid) >> Oil Cooler >> Installation [11/2016 - ] >> Procedure

Installation [11/2016 - ]: Procedure

  1. INSTALL TRANSMISSION OIL THERMOSTAT 
    1. Install the transmission oil thermostat to the oil cooler stay with the bolt.

      Torque: 19.5 N*m (199 kgf*cm, 14 ft.*lbf) 

    2. Connect the No. 2 transmission oil cooler hose and outlet No. 2 oil cooler hose to the transmission oil thermostat with each paint mark facing up and slide the 2 clips to secure them.
      GTY724449Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 2 Transmission Oil Cooler Hose *2 Outlet No. 2 Oil Cooler Hose
      *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 30° (Paint Mark Location)
      *e 45° (Claw of Clip Location) - -
      NOTE:
      • Make sure to slide the No. 2 transmission oil cooler hose and outlet No. 2 oil cooler hose until each contacts the hose stopper of the transmission oil thermostat.
      • Make sure that each paint mark and the claws of each clip are within the location shown in the illustration.
    3. Install the No. 1 transmission oil cooler hose and outlet No. 1 oil cooler hose to the transmission oil thermostat with each paint mark facing the front of the vehicle and slide the 2 clips to secure them.
      GTY696745Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Transmission Oil Cooler Hose *2 Outlet No. 1 Oil Cooler Hose
      *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 30° (Paint Mark Location)
      *e 45° (Claw of Clip Location) - -
      NOTE:
      • Make sure to slide the No. 1 transmission oil cooler hose and outlet No. 1 oil cooler hose until each contacts the hose stopper of the transmission oil thermostat.
      • Make sure that each paint mark is within the location shown in the illustration.
      • Make sure that the claws of the clip of the No. 1 transmission oil cooler hose are within the location shown in the illustration.
    4. When replacing the transmission oil thermostat with a new one:
      GTY708437Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Pin
      *b Shaft
      1. Remove the pin from the transmission oil thermostat.
        NOTE:

        Make sure that the shaft of the transmission oil thermostat protrudes from the cap after the pin is removed.

  2. INSTALL TRANSMISSION OIL COOLER 
    1. Engage the hook and temporarily install the transmission oil cooler to the automatic transaxle case sub-assembly with the bolt (A).
      Fig 1: Tightening Sequence Of Transmission Oil Cooler
      GTY700144Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the bolt (B).

      Torque: 13.5 N*m (138 kgf*cm, 10 ft.*lbf) 

    3. Install the bolt (C).

      Torque: 13.5 N*m (138 kgf*cm, 10 ft.*lbf) 

    4. Fully tighten the bolt (A) to install the transmission oil cooler.

      Torque: 13.5 N*m (138 kgf*cm, 10 ft.*lbf) 

  3. INSTALL NO. 1 OIL COOLER TUBE SUB-ASSEMBLY WITHOUT HOSE 
    1. Install the inlet No. 1 oil cooler hose, inlet No. 2 oil cooler hose and outlet No. 3 oil cooler hose to the No. 1 oil cooler tube sub-assembly without hose and slide the 3 clips to secure them.
      GTY688284Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Oil Cooler Tube Sub-assembly without Hose *2 Inlet No. 1 Oil Cooler Hose
      *3 Inlet No. 2 Oil Cooler Hose *4 Outlet No. 3 Oil Cooler Hose
      *a 2 to 7 mm (0.0787 to 0.276 in.) *b Paint Mark
      *c 45° (Claw of Clip Location) - -
      NOTE:
      • Make sure to slide the inlet No. 1 oil cooler hose, inlet No. 2 oil cooler hose and outlet No. 3 oil cooler hose until each contacts the hose stopper of the No. 1 oil cooler tube sub-assembly without hose.
      • Make sure to align the paint mark of each hose with the paint mark of each tube.
      • Make sure that the claws of each clip are within the location shown in the illustration.
    2. Install the No. 1 oil cooler tube sub-assembly without hose to the automatic transaxle case sub-assembly and engine mounting bracket LH with the 2 bolts.
      GTY704938Courtesy 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 (Left Side of Vehicle)
      *d 30° (Paint Mark Location)
      *e 45° (Claw of Clip Location)

      Torque: 13.5 N*m (138 kgf*cm, 10 ft.*lbf) 

    3. Connect the inlet No. 1 oil cooler hose to the connector tube and slide the clip to secure it.
      NOTE:
      • Make sure to slide the inlet No. 1 oil cooler hose until it contacts the hose stopper of the connector tube.
      • Make sure that the paint mark of the inlet No. 1 oil cooler hose and claws of the clip are within the location shown in the illustration.
  4. CONNECT NO. 1 TRANSMISSION OIL COOLER HOSE 
    1. Connect the No. 1 transmission oil cooler hose to the oil cooler union sub-assembly and slide the clip to secure it.
      GTY697667Courtesy 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 (Left Side of Vehicle)
      *d 30° (Paint Mark Location)
      *e 45° (Claw of Clip Location)
      NOTE:
      • Make sure to slide the No. 1 transmission oil cooler hose until it contacts the hose stopper of the oil cooler union sub-assembly.
      • Make sure that the paint mark of the No. 1 transmission oil cooler hose and claws of the clip are within the location shown in the illustration.
  5. CONNECT OUTLET NO. 1 OIL COOLER HOSE 
    1. Connect the outlet No. 1 oil cooler hose to the No. 1 oil cooler tube sub-assembly without hose 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 No. 1 oil cooler tube sub-assembly without hose.
      • Make sure to align the paint mark of the outlet No. 1 oil cooler hose with the paint mark of the No. 1 oil cooler tube sub-assembly without hose.
      • Make sure that the claws of the clip are within the location shown in the illustration.
      GTY737712Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Paint Mark
      *b 45° (Claw of Clip Location)
    2. Install the transmission oil cooler tube clamp.
  6. CONNECT OUTLET NO. 3 OIL COOLER HOSE 
    1. Connect the outlet No. 3 oil cooler hose to the transmission oil cooler and slide the clip to secure it.
      GTY688487Courtesy 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 45° (Claw of Clip Location)
      NOTE:
      • Make sure to slide the outlet No. 3 oil cooler hose until it contacts the hose stopper of the transmission oil cooler.
      • Make sure to align the paint mark of the outlet No. 3 oil cooler hose with paint mark of the transmission oil cooler.
      • Make sure that the claws of the clip are within the location shown in the illustration.
  7. CONNECT INLET NO. 2 OIL COOLER HOSE 
    1. Connect the inlet No. 2 oil cooler hose to the transmission oil cooler and slide the clip to secure it.
      NOTE:
      • Make sure to slide the inlet No. 2 oil cooler hose until it contacts the hose stopper of the transmission oil cooler.
      • Make sure to align the paint mark of the inlet No. 2 oil cooler hose with the paint mark of the transmission oil cooler.
      • Make sure that the claws of the clip are within the location shown in the illustration.
      GTY727106Courtesy 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 45° (Claw of Clip Location)
  8. CONNECT NO. 3 WATER BY-PASS HOSE 
    1. Connect the No. 3 water by-pass hose to the transmission oil cooler and slide the clip to secure it.
      GTY707516Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 2 to 7 mm (0.0787 to 0.276 in.) *b Paint Mark
      *c 45° (Claw of Clip Location) - -
      NOTE:
      • Make sure to slide the No. 3 water by-pass hose until it contacts the hose stopper of the transmission oil cooler.
      • Make sure to align the paint mark of the No. 3 water by-pass hose with the paint mark of the transmission oil cooler.
      • Make sure that the claws of the clip are within the location shown in the illustration.
  9. CONNECT NO. 4 WATER BY-PASS HOSE 
    1. Connect the No. 4 water by-pass hose to the transmission oil cooler and slide the clip to secure it.
      GTY731559Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 2 to 7 mm (0.0787 to 0.276 in.) *b Paint Mark
      *c 45° (Claw of Clip Location) - -
      NOTE:
      • Make sure to slide the No. 4 water by-pass hose until it contacts the hose stopper of the transmission oil cooler.
      • Make sure to align the paint mark of the No. 4 water by-pass hose with the paint mark of the transmission oil cooler.
      • Make sure that the claws of the clip are within the location shown in the illustration.
  10. INSTALL BATTERY 

    Refer to PROCEDURE - Step 64

  11. INSTALL AIR CLEANER ASSEMBLY WITH AIR CLEANER HOSE 

    Refer to PROCEDURE - Step 62

  12. INSTALL INLET AIR CLEANER ASSEMBLY 

    Refer to PROCEDURE - Step 63

  13. INSTALL COOL AIR INTAKE DUCT SEAL 

    Refer to PROCEDURE - Step 4

  14. INSTALL RADIATOR SIDE SEAL RH 

    Refer to PROCEDURE - Step 5

  15. INSTALL RADIATOR SIDE DEFLECTOR SEAL LH 

    Refer to PROCEDURE - Step 6

  16. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
    NOTE:

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

    Refer to INITIALIZATION [11/2016 - ]

  17. ADD ENGINE COOLANT 

    Refer to PROCEDURE - Step 2

  18. ADJUST AUTOMATIC TRANSAXLE FLUID 

    Refer to ADJUSTMENT [11/2016 - ] 

  19. INSPECT FOR OIL LEAK 
  20. INSPECT FOR COOLANT LEAK 

    Refer to PROCEDURE - Step 1

  21. INSTALL FRONT FENDER APRON SEAL LH 

    Refer to PROCEDURE - Step 97

  22. INSTALL NO. 1 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 103

  23. INSTALL FRONT WHEEL LH 

    Torque: 103 N*m (1050 kgf*cm, 76 ft.*lbf) 

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