Toyota Sequoia (2005). Manual - part 944

AC3H8–02

I21376

Rear Cooler
Duct

Rear Heater Duct

Plate

Rear A/C Unit

Upper Back Door Garnish

Quarter
Pillar
Garnish RH

Rear Seat
Outer Belt

Rear Window
Side Garnish RH

Water Hose

Wire Harness

Suction Tube

Rear Seat
Outer Belt

Rear Quarter Trim
Panel RH

Back Door
Scuff Plate

Rear Door Scuff Plate RH

Liquid Tube

 O–Ring

N·m (kgf·cm, in·lbf) :Specified torque

 Non–reusable part

5.4 (55, 48)

AC–38

–

AIR CONDITIONING

REAR A/C UNIT

3765

REAR A/C UNIT

COMPONENTS

I21394

Wire Harness

Sliding Door

Air Outlet Servomotor

Plate

Water Valve

Hose Clip

Water Hose

Bracket

Packing

Heater Radiator

Water Hose

Blower Motor

Blower Case

Shaft

Clamp

Bracket

A/C Unite Case RH

 O–Ring

Hose Clip

Power Transistor

Evaporator

 O–Ring

Evaporator Cover

Thermistor

Plate

Tube and Accessory

 O–Ring

Expansion Valve

Clamp

 O–Ring

Liquid Tube

Bracket

Bracket

N·m (kgf·cm, ft·lbf)

:Specified torque

 Non–reusable part

Insulator

Drain Hose

A/C Unite Case LH

5.4 (55, 48 in.·lbf)

Packing

22 (235, 16)

13 (135, 10)

–

AIR CONDITIONING

REAR A/C UNIT

AC–39

3766

AC3H9–02

I21380

I21381

AC–40

–

AIR CONDITIONING

REAR A/C UNIT

3767

REMOVAL

1.

DISCHARGE REFRIGERANT FROM REFRIGERATION
SYSTEM

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

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 BACK DOOR 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.

DISCONNECT WATER HOSES FROM HEATER PIPES

(a)

Grip the claws of the hose clip and slide the hose clip
along the hose.

(b)

Disconnect the water hoses.

I21382

Water 
Hose

View  A

FR

RH

LH

RR

View A

Marking

Heater 
Radiator Pipe

Second Ridge

Hose Clip

45

°

I21383

I21384

–

AIR CONDITIONING

REAR A/C UNIT

AC–41

3768

HINT:
At the time of installation, please refer to the following items.

Push the water hose onto the heater radiator pipe up to
the second ridge on the pipe.

Install a hose clip to the position shown in the illustration.

12.

REMOVE REAR A/C UNIT

(a)

Remove the 3 clips and cover.

(b)

Remove the 2 air ducts.

(c)

Disconnect the connectors and wire harness clamps.

(d)

Remove the 3 bolts and rear A/C unit.