Toyota Sequoia (2005). Manual - part 952

AC3I8–02

AC–70

–

AIR CONDITIONING

REAR A/C EVAPORATOR

3797

REAR A/C EVAPORATOR

ON–VEHICLE INSPECTION

1.

CHECK QUANTITY OF GAS DURING REFRIGERATION CYCLE

2.

SET MANIFOLD GAUGE SET (See page 

AC–18

)

3.

RUN ENGINE

(a)

Rear blower speed set at ”HI” position

(b)

A/C switch ON

(c)

Rear temperature control set at 18.5

°

C (65

°

F)

(d)

Run the engine at 1,500 rpm for at least 5 minutes.
Then check that the high pressure reading is 1.9 to 2.1 MPa (19 to 21 kgf/cm

2

, 270 to 300 psi).

4.

CHECK EXPANSION VALVE

If the expansion valve is faulty, the low pressure reading will drop to 0 kPa (0 kgf/cm

2

, 0 psi).

AC3I9–02

I21380

I21383

–

AIR CONDITIONING

REAR A/C EVAPORATOR

AC–71

3798

REMOVAL

1.

DISCHARGE REFRIGERANT FROM REFRIGERATION
SYSTEM

HINT:
At the time of installation, refer to the following:

Evacuate air from the refrigeration system.

Charge the system with refrigerant and inspect for leak-
age of refrigerant.
Specified amount:
Dual A/C: 1050 

±

 50 g (37.03 

±

 1.76 oz.)

2.

DRAIN ENGINE COOLANT FROM RADIATOR

HINT:
It is not necessary to drain out all coolant.
3.

REMOVE REAR SEAT OUTER BELT FLOOR AN-
CHORS

4.

REMOVE BACKDOOR SCUFF PLATE

5.

REMOVE REAR DOOR SCUFF PLATE RH

6.

REMOVE UPPER BACK DOOR GARNISH

7.

REMOVE REAR WINDOW SIDE GARNISH RH

8.

REMOVE REAR QUARTER TRIM PANEL RH

9.

REMOVE QUARTER PILLAR GARNISH RH

10.

DISCONNECT LIQUID AND SUCTION TUBES

Remove the 2 bolts and disconnect both tubes.

Torque: 5.4 N·m (55 kgf·cm, 48 in.·lbf)

NOTICE:
Cap the openings immediately to keep moisture or dirt out
of the system.
HINT:
At the time of installation, refer to the following:
Lubricate 2 new O–rings with compressor oil and install them
to the tubes.
11.

REMOVE AIR DUCT

(a)

Remove the 3 clips and cover.

(b)

Remove the 2 air ducts.

(c)

Disconnect the connectors and wire harness clamps.

I21799

I21384

I21800

AC–72

–

AIR CONDITIONING

REAR A/C EVAPORATOR

3799

12.

REMOVE EXPANSION VALVE

(a)

Remove the 4 screws and 2 brackets.

(b)

Pry out the packing.

HINT:
At the time of installation, refer to the following item:
Do not refuse the packing.
(c)

Using a hexagon wrench (5.0 mm (0.20 in.)), remove the
2 bolts.
Torque: 5.4 N·m (55 kgf·cm, 48 in.·lbf)

(d)

Remove the 3 bolts.

(e)

Lift the A/C unit until the tube and accessary can be re-
moved.

(f)

Remove the tube and accessary.

13.

REMOVE EVAPORATOR

(a)

Remove the 8 screws and cover.

(b)

Pull out the evaporator.

AC3IA–01

–

AIR CONDITIONING

REAR A/C EVAPORATOR

AC–73

3800

INSTALLATION

Installations is in the reverse order of removal (See page 

AC–71

).