Toyota Prius: Electric Expansion Valve (heating)

Removal

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during No. 2 cooler expansion valve removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure	Necessary Procedures	Effect/Inoperative Function When Necessary Procedures are not Performed	Link
*: Even when not replacing the part, it is necessary to perform the specified necessary procedures after installation.
Front bumper assembly*	Front television camera view adjustment	Panoramic View Monitor System
		Advanced Park
Heating electric expansion valve (magnet valve assembly)	Servo motor initialization (Air Conditioning System) Expansion valve initialization (Air Conditioning System)	DTCs are stored

CAUTION / NOTICE / HINT

COMPONENTS (REMOVAL)

Procedure		Part Name Code
1	ACCUMULATOR ASSEMBLY	88470H	-	-	-
2	MAGNET VALVE ASSEMBLY	88690K		-	-

*1	NO. 3 LIQUID TUBE	-	-
●	Non-reusable part	-	-

PROCEDURE

1. REMOVE ACCUMULATOR ASSEMBLY

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2. REMOVE MAGNET VALVE ASSEMBLY

(1) Remove the 2 bolts and No. 3 liquid tube.

(2) Remove the 2 O-rings from the No. 3 liquid tube.

NOTICE:

Seal the openings of the removed parts using vinyl tape to prevent moisture and foreign matter from entering them.

(1) Remove the 2 bolts and magnet valve assembly.

Installation

INSTALLATION

CAUTION / NOTICE / HINT

COMPONENTS (INSTALLATION)

Procedure		Part Name Code
1	MAGNET VALVE ASSEMBLY	88690K		-	-
2	ACCUMULATOR ASSEMBLY	88470H	-	-	-
3	INITIALIZATION MAGNET VALVE ASSEMBLY	88690K	-	-

*1	NO. 3 LIQUID TUBE	-	-
	N*m (kgf*cm, ft.*lbf): Specified torque	●	Non-reusable part
	Compressor oil ND-OIL 11 or equivalent	-	-

PROCEDURE

1. INSTALL MAGNET VALVE ASSEMBLY

(1) Install the magnet valve assembly with the 2 bolts.

Torque:

9.8 N·m {100 kgf·cm, 87 in·lbf}

(1) Remove the vinyl tape, and sufficiently apply compressor oil to 2 new O-rings and the fitting surface of the No. 3 liquid tube.

Compressor Oil:

ND-OIL 11 or equivalent

(2) Install the 2 O-rings to the No. 3 liquid tube.

NOTICE:

Keep the O-ring and O-ring fitting surface free of foreign matter.

(3) Install the No. 3 liquid tube with the 2 bolts.

Torque:

9.8 N·m {100 kgf·cm, 87 in·lbf}

2. INSTALL ACCUMULATOR ASSEMBLY

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3. INITIALIZATION MAGNET VALVE ASSEMBLY

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