Installation [10/2018 - ]: Procedure

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INSTALL NO. 1 MOTOR COOLING HOSE

HINT:

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

Coat a small amount of ATF as shown in the illustration.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

ATF Application Area

Install the No. 1 motor cooling hose to the motor cooling cooler and slide the clip to secure it.

Courtesy 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	180°
	Claw of Clip Location

NOTE:

Be careful not to deform the motor cooling cooler.
Make sure to align the paint mark on the No. 1 motor cooling hose with the paint mark on the motor cooling cooler.
Make sure that the claws of the clip are positioned within the area shown in the illustration.

INSTALL NO. 2 MOTOR COOLING HOSE

HINT:

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

Coat a small amount of ATF as shown in the illustration.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

ATF Application Area

Install the No. 2 motor cooling hose to the motor cooling cooler and slide the clip to secure it.

Courtesy 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	180°
	Claw of Clip Location

NOTE:

Be careful not to deform the motor cooling cooler.
Make sure to align the paint mark on the No. 2 motor cooling hose with the paint mark on the motor cooling cooler.
Make sure that the claws of the clip are positioned within the area shown in the illustration.

INSTALL MOTOR COOLING COOLER

Temporarily install the motor cooling cooler to the hybrid vehicle transaxle assembly with the 3 bolts.

Fig 1: Motor Cooling Cooler Bolt Tightening Sequence
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Tighten the 3 bolts in the order shown in the illustration.
Torque: 11.5 N.m (117 kgf/cm, 8 ft.lbf)

Install the No. 2 motor cooling pipe to the No. 2 motor cooling hose and slide the clip to secure it.

NOTE:

Make sure to align the paint mark on the No. 2 motor cooling pipe with the paint mark on the No. 2 motor cooling hose.

*a	2 to 7 mm (0.0787 to 0.276 in.)
*b	Paint Mark

Temporarily install the No. 2 motor cooling pipe to the hybrid vehicle transaxle assembly with the oil cooler union bolt and a new gasket.
Install the No. 1 oil cooler tube clamp to the hose bracket with the bolt.
Torque: 11.5 N.m (117 kgf/cm, 8 ft.lbf)
Tighten the oil cooler union bolt to install the No. 2 motor cooling pipe.
Torque: 35 N.m (357 kgf/cm, 26 ft.lbf)

Connect the No. 1 motor cooling hose to the No. 1 motor cooling pipe and slide the clip to secure it.

NOTE:

Make sure to align the paint mark on the No. 1 motor cooling pipe with the paint mark on the No. 1 motor cooling hose.

*a	2 to 7 mm (0.0787 to 0.276 in.)
*b	Paint Mark

CONNECT OUTLET NO. 1 HYBRID WATER PUMP HOSE
Refer to PROCEDURE - Step 33 [10/2018 - 07/2022] , or refer to PROCEDURE - Step 33 [07/2022 - ]
CONNECT INLET HYBRID RADIATOR HOSE
Refer to PROCEDURE - Step 34 [10/2018 - 07/2022] , or refer to PROCEDURE - Step 34 [07/2022 - ]
INSTALL INVERTER WITH CONVERTER ASSEMBLY
Refer to INSTALLATION [10/2018 - ]
INSPECT HYBRID TRANSAXLE FLUID
See step 2
INSPECT FOR HYBRID TRANSAXLE FLUID LEAK
INSTALL REAR ENGINE UNDER COVER LH
Refer to PROCEDURE - Step 65 [10/2018 - 07/2022] , or refer to PROCEDURE - Step 65 [07/2022 - ]
INSTALL NO. 1 ENGINE UNDER COVER ASSEMBLY
Refer to PROCEDURE - Step 67 [10/2018 - 07/2022] , or refer to PROCEDURE - Step 67 [07/2022 - ]