Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001JZBD
Model Year Start: 2020 Model: Avalon Prod Date Range: [08/2019 -           ]
Title: UA80E (AUTOMATIC TRANSMISSION / TRANSAXLE): OIL COOLER: INSTALLATION; 2020 - 2022 MY Avalon [08/2019 -        ]

INSTALLATION

PROCEDURE

1. INSTALL TRANSMISSION OIL COOLER

(a) Temporarily install the transmission oil cooler to the automatic transaxle case sub-assembly with the bolt (A).

(b) Install the bolt (B).

Torque:

13.5 N·m {138 kgf·cm, 10 ft·lbf}

(c) Install the bolt (C).

Torque:

13.5 N·m {138 kgf·cm, 10 ft·lbf}

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

Torque:

13.5 N·m {138 kgf·cm, 10 ft·lbf}

2. CONNECT WATER BY-PASS HOSE ASSEMBLY

(a) Connect the water by-pass hose assembly to the transmission oil cooler and slide the clip to secure it.

*a

2 to 7 mm (0.0787 to 0.276 in.)

*b

Paint Mark

*c

45° (Claw of Clip Location)

-

-

NOTICE:

  • Make sure to slide the water by-pass hose assembly until it contacts the hose stopper of the transmission oil cooler.
  • Make sure to align the paint mark of the water by-pass hose assembly 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.

3. CONNECT NO. 1 WATER BY-PASS HOSE

(a) Connect the No. 1 water by-pass hose to the transmission oil cooler and slide the clip to secure it.

*a

2 to 7 mm (0.0787 to 0.276 in.)

*b

Paint Mark

*c

45° (Claw of Clip Location)

-

-

NOTICE:

  • Make sure to slide the No. 1 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. 1 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.

(b) Engage the 3 clamps to install the transmission breather clamp.

4. INSTALL NO. 1 OIL COOLER TUBE SUB-ASSEMBLY WITHOUT HOSE

(a) Install the inlet No. 1 oil cooler hose, inlet No. 2 oil cooler hose, outlet No. 1 oil cooler hose and outlet No. 2 oil cooler hose to the No. 1 oil cooler tube sub-assembly without hose and slide the 4 clips to secure them.

*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. 1 Oil Cooler Hose

*5

Outlet No. 2 Oil Cooler Hose

-

-

*a

2 to 7 mm (0.0787 to 0.276 in.)

*b

45° (Claw of Clip Location)

*c

0 to 3 mm (0 to 0.118 in.)

-

-

NOTICE:

  • Make sure to slide the inlet No. 1 oil cooler hose, inlet No. 2 oil cooler hose, outlet No. 1 oil cooler hose and outlet No. 2 oil cooler hose until each contacts the hose stopper of the No. 1 oil cooler tube sub-assembly without hose.
  • Make sure that the claws of each clip are within the location shown in the illustration.

(b) Connect the outlet No. 2 oil cooler hose to the transmission oil cooler and slide the clip to secure it.

NOTICE:

  • Make sure to slide the outlet 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 outlet No. 2 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.

*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)

(c) Connect the inlet No. 2 oil cooler hose to the transmission oil cooler and slide the clip to secure it.

NOTICE:

  • 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.

*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)

(d) Temporarily install the No. 1 oil cooler tube sub-assembly without hose to the automatic transaxle case sub-assembly with the 2 bolts.

*a

Bolt (A)

*b

Bolt (B)

(e) Tighten the 2 bolts.

Torque:

Bolt (A) :

13.5 N·m {138 kgf·cm, 10 ft·lbf}

Bolt (B) :

28 N·m {286 kgf·cm, 21 ft·lbf}

HINT:

Tightening order: Fully tighten bolt (A) → Fully tighten bolt (B)

5. CONNECT INLET NO. 1 OIL COOLER HOSE

(a) Connect the inlet No. 1 oil cooler hose to the No. 1 oil cooler outlet tube sub-assembly and slide the clip to secure it.

NOTICE:

Make sure to slide the inlet No. 1 oil cooler hose until it contacts the hose stopper of the No. 1 oil cooler outlet tube sub-assembly.

*a

0 to 3 mm (0 to 0.118 in.)

*b

2 to 7 mm (0.0787 to 0.276 in.)

6. CONNECT OUTLET NO. 1 OIL COOLER HOSE

(a) Connect the outlet No. 1 oil cooler hose to the oil cooler union sub-assembly and slide the clip to secure it.

NOTICE:

  • 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.

*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)

7. INSTALL BATTERY CLAMP SUB-ASSEMBLY

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8. INSTALL ECM

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9. INSTALL BATTERY

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10. ADD ENGINE COOLANT

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11. ADJUST AUTOMATIC TRANSAXLE FLUID

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12. INSPECT FOR OIL LEAK

13. INSPECT FOR COOLANT LEAK

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14. INSTALL FRONT FENDER APRON SEAL LH

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15. INSTALL REAR ENGINE UNDER COVER LH

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16. INSTALL NO. 1 ENGINE UNDER COVER

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17. INSTALL FRONT WHEEL OPENING EXTENSION PAD LH

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18. INSTALL FRONT WHEEL OPENING EXTENSION PAD RH

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19. INSTALL FRONT WHEEL LH

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