Toyota Prius: Evaporator Pressure Regulator

Removal

REMOVAL

CAUTION / NOTICE / HINT

COMPONENTS (REMOVAL)

Procedure		Part Name Code
1	RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM	-		-	-
2	PRESSURE REGULATOR SUB-ASSEMBLY	88503B		-	-

*1	NO. 1 SUCTION TUBE	*2	AIR CONDITIONING TUBE ASSEMBLY
●	Non-reusable part	-	-

PROCEDURE

1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM

(a) for HFC-134a (R134a):

Click here

(b) for HFO-1234yf (R1234yf):

Click here

2. REMOVE PRESSURE REGULATOR SUB-ASSEMBLY

(1) Remove the 2 bolts and pressure regulator sub-assembly.

(2) Remove the O-ring from the No. 1 suction tube.

NOTICE:

Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.

(3) Remove the O-ring from the air conditioning tube assembly.

NOTICE:

Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.

Installation

INSTALLATION

CAUTION / NOTICE / HINT

COMPONENTS (INSTALLATION)

Procedure		Part Name Code
1	PRESSURE REGULATOR SUB-ASSEMBLY	88503B		-	-
2	CHARGE AIR CONDITIONING SYSTEM WITH REFRIGERANT	-	-	-
3	WARM UP COMPRESSOR	-	-	-
4	INSPECT FOR REFRIGERANT LEAK	-	-	-

*1	NO. 1 SUCTION TUBE	*2	AIR CONDITIONING TUBE ASSEMBLY
	N*m (kgf*cm, ft.*lbf): Specified torque	●	Non-reusable part
	Compressor oil ND-OIL 11 or equivalent	-	-

PROCEDURE

1. INSTALL PRESSURE REGULATOR SUB-ASSEMBLY

*a

Reference Point

-

-

(1) Remove the vinyl tape from the air conditioning tube assembly and pressure regulator sub-assembly, and sufficiently apply compressor oil to a new O-ring and the fitting surface of the air conditioning tube assembly.

Compressor Oil:

ND-OIL 11 or equivalent

(2) Install the O-ring to the air conditioning tube assembly.

NOTICE:

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

(3) Remove the vinyl tape from the No. 1 suction tube and pressure regulator sub-assembly, and sufficiently apply compressor oil to a new O-ring and the fitting surface of the No. 1 suction tube.

Compressor Oil:

ND-OIL 11 or equivalent

(4) Install the O-ring to the No. 1 suction tube.

NOTICE:

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

(5) Connect the No. 1 suction tube and air conditioning tube assembly and pressure regulator sub-assembly as shown in the illustration.

NOTICE:

Install the pressure regulator sub-assembly with the arrow facing front.

(6) Install the pressure regulator sub-assembly with the 2 bolts as shown in the illustration.

Torque:

9.8 N·m {100 kgf·cm, 87 in·lbf}

2. CHARGE AIR CONDITIONING SYSTEM WITH REFRIGERANT

(a) for HFC-134a (R134a):

Click here

(b) for HFO-1234yf (R1234yf):

Click here

3. WARM UP COMPRESSOR

(a) for HFC-134a (R134a):

Click here

(b) for HFO-1234yf (R1234yf):

Click here

4. INSPECT FOR REFRIGERANT LEAK

(a) for HFC-134a (R134a):

Click here

(b) for HFO-1234yf (R1234yf):

Click here