Toyota Sequoia (2005). Manual - part 953

AC3IB–02

I21380

I21383

AC–74

–

AIR CONDITIONING

REAR A/C EXPANSION VALVE

3801

REAR A/C EXPANSION VALVE

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

I21387

Nut A:

Nut B:

–

AIR CONDITIONING

REAR A/C EXPANSION VALVE

AC–75

3802

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:
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.

(g)

Remove the holder and disconnect the heat sensing
tube.

(h)

Loosen the 2 nuts and remove the expansion valve.
Torque:
Nut A: 13 N·m (135 kgf·cm, 10 in.·lbf)
Nut B: 22 N·m (235 kgf·cm, 16 in.·lbf)

HINT:
At the time of installation, refer to the following:
Lubricate 2 new O–rings with compressor oil and install them
to the expansion valve.

AC3IC–01

AC–76

–

AIR CONDITIONING

REAR A/C EXPANSION VALVE

3803

INSPECTION

INSPECT EVAPORATOR
(a)

Check evaporator fins for blockage.

If the fins are clogged, clean them with compressor air.
NOTICE:
Never use water to clean the evaporator.
(b)

Check fitting for cracks or scratches.

If necessary, repair or replace.

AC3ID–01

–

AIR CONDITIONING

REAR A/C EXPANSION VALVE

AC–77

3804

INSTALLATION

Installation is in the reverse order of removal (See page 

AC–74

).