Toyota Prius: Pa10 Oil Cooler

• Removal
• Installation

Removal

REMOVAL

CAUTION / NOTICE / HINT

HINT:

When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

Learning completes when Toyota Prius vehicle is driven

Effect/Inoperative Function when Necessary Procedure not Performed	Necessary Procedure	Link
Front Camera System	Drive the Toyota Prius vehicle straight ahead at 35 km/h (22 mph) or more for 5 seconds or more.

Learning completes when vehicle is operated normally

Effect/Inoperative Function when Necessary Procedure not Performed	Necessary Procedure	Link
*1: w/o Power Back Door System *2: w/ Power Back Door System
Power Door Lock Control System*1 Back door opener	Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.
Power Back Door System*2	Reset back door close position
Air Conditioning System	After the ignition switch is turned to ON, the servo motor standard position is recognized.	-

CAUTION / NOTICE / HINT

COMPONENTS (REMOVAL)

Procedure		Part Name Code
1	NO. 1 ENGINE UNDER COVER ASSEMBLY	51410	-	-	-
2	DRAIN COOLANT (for Inverter)	-	-		-

Procedure		Part Name Code
3	AUXILIARY BATTERY	-	-	-	-
4	BATTERY CLAMP SUB-ASSEMBLY	74404A	-	-	-
5	OUTLET NO. 2 INVERTER COOLING HOSE	G922D		-	-
6	OUTLET NO. 1 INVERTER COOLING HOSE	G922C		-	-
7	ENGINE WIRE	82121	-	-	-
8	MOTOR COOLING COOLER	G125AA	-	-	-

●

Non-reusable part

★

Precoated part

PROCEDURE

1. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY

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2. DRAIN COOLANT (for Inverter)

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3. REMOVE AUXILIARY BATTERY

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4. REMOVE BATTERY CLAMP SUB-ASSEMBLY

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5. DISCONNECT OUTLET NO. 2 INVERTER COOLING HOSE

NOTICE: Put pieces of cloth into the pipe and disconnected hose or cover the pipe and hose with plastic bags to prevent entry of foreign matter.

6. DISCONNECT OUTLET NO. 1 INVERTER COOLING HOSE

NOTICE: Put pieces of cloth into the pipe and disconnected hose or cover the pipe and hose with plastic bags to prevent entry of foreign matter.

7. DISCONNECT ENGINE WIRE

8. REMOVE MOTOR COOLING COOLER

Installation

INSTALLATION

CAUTION / NOTICE / HINT

COMPONENTS (INSTALLATION)

Procedure		Part Name Code
1	MOTOR COOLING COOLER	G125AA		-	-
2	ENGINE WIRE	82121	-	-	-
3	OUTLET NO. 1 INVERTER COOLING HOSE	G922C		-	-
4	OUTLET NO. 2 INVERTER COOLING HOSE	G922D		-	-
5	BATTERY CLAMP SUB-ASSEMBLY	74404A	-	-	-
6	AUXILIARY BATTERY	-	-	-	-

	N*m (kgf*cm, ft.*lbf): Specified torque	●	Non-reusable part
	Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent	★	Precoated part

Procedure		Part Name Code
7	ADD COOLANT (for Inverter)	-	-		-
8	INSPECT FOR COOLANT LEAK (for Inverter)	-	-	-
9	NO. 1 ENGINE UNDER COVER ASSEMBLY	51410	-	-	-

N*m (kgf*cm, ft.*lbf): Specified torque

-

-

PROCEDURE

1. INSTALL MOTOR COOLING COOLER

(1) Install 2 new gaskets to the motor cooling cooler.

(2) Apply adhesive to 2 or 3 threads on the ends of the 3 new bolts.

Adhesive:

Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent

NOTICE:

Make sure to install the 3 bolts immediately after applying adhesive to prevent foreign matter from attaching to them.

(3) Temporarily install the motor cooling cooler to the hybrid Toyota Prius vehicle transaxle assembly with the 3 bolts.

(4) Tighten the 3 bolts.

Torque:

17.5 N·m {178 kgf·cm, 13 ft·lbf}

2. CONNECT ENGINE WIRE

3. CONNECT OUTLET NO. 1 INVERTER COOLING HOSE

*a	2 to 11 mm (0.0787 to 0.433 in.)	*b	Paint Mark
*c	90° (Claw of Clip Location)	-	-

(1) Connect the outlet No. 1 inverter cooling hose to the motor cooling cooler and slide the clip to secure it.

4. CONNECT OUTLET NO. 2 INVERTER COOLING HOSE

*a	2 to 11 mm (0.0787 to 0.433 in.)	*b	Paint Mark
*c	135° (Claw of Clip Location)	-	-

(1) Connect the outlet No. 2 inverter cooling hose to the motor cooling cooler and slide the clip to secure it.

5. INSTALL BATTERY CLAMP SUB-ASSEMBLY

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6. INSTALL AUXILIARY BATTERY

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7. ADD COOLANT (for Inverter)

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8. INSPECT FOR COOLANT LEAK (for Inverter)

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9. INSTALL NO. 1 ENGINE UNDER COVER ASSEMBLY

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