Toyota Sequoia (2005). Manual - part 942

AC3H0–01

AC–30

–

AIR CONDITIONING

COOLING UNIT

3757

REASSEMBLY

Reassembly is in the reverse order of disassembly (See page 

AC–28

).

AC3H1–01

–

AIR CONDITIONING

COOLING UNIT

AC–31

3758

INSTALLATION

Installation is in the reverse order of removal (See page 

AC–26

).

AC3H2–02

I21423

Non–reusable part

Instrument Panel

Reinforcement

Defroster Nozzle

Center Heater To Register Duct

Brace No.1

Brace No.2

Heater To 
Register Duct 
No. 1

Heater Unit

Cooling Unit

Heater Radiator

Foot Air Duct

Air Vent Duct

Heater Unit Case

 O–Ring

Clamp

Grommet

Heater Radiator
Pipe

Packing

Clamp

Clamp

Clamp

Air Outlet Servomotor

Aspirator Hose

Air Mix Servomotor

Heater to
Register
Duct No. 4

Rear Foot Duct

AC–32

–

AIR CONDITIONING

HEATER UNIT

3759

HEATER UNIT

COMPONENTS

AC3H3–02

I11129

I11197

Water Hose

Heater Radiator

Pipe

Upper

LH

RH

45 

± 

10

°

Lower

Hose Clip

Second Ridge

LH

RH

I11130

–

AIR CONDITIONING

HEATER UNIT

AC–33

3760

REMOVAL

1.

REMOVE COOLING UNIT (See page 

AC–26

)

2.

DRAIN ENGINE COOLANT FROM RADIATOR

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

DISCONNECT WATER VALVE CONTROL CABLE
FROM WATER VALVE (See page 

AC–79

)

4.

DISCONNECT WATER HOSES FROM HEATER RA-
DIATOR PIPES

(a)

Using pliers, grip the claws of the clips and slide the clips
along the hose.

(b)

Disconnect the water hoses.

(c)

Remove the grommet.

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

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

Install the hose clip to the position shown in the illustra-
tion.

5.

REMOVE INSTRUMENT PANEL AND REINFORCE-
MENT (See page 

BO–89

)

6.

REMOVE DEFROSTER NOZZLE AND HEATER TO
REGISTER DUCT

7.

REMOVE HEATER UNIT

Remove the 3 screws and heater unit.