Toyota Sequoia (2005). Manual — part 656

A23322

Non–reusable part

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

Camshaft Timing
Oil Control Valve
(Bank 2) Connector

RH Cylinder
Head Cover

Engine
Wire
Clamp
Bracket

Spark Plug Tube

Gasket

Seal
Washer

LH Cylinder
Head Cover

RH Intake
Camshaft
(with Timing
Tube)

Semi–circular Plug

Ground Strap

Ground Wire

Engine Wire
Clamp

x 9

Camshaft
Timing Oil
Control Valve
(Bank 1)

Camshaft Timing
Oil Control Valve
(Bank 2)

Front
Bearing Cap

Spark Plug

Gasket

Oil
Feed
Pipe

Seal

Washer

Ground Wire

Camshaft Bearing Cap

16 (160, 12)

O–Ring

LH Exhaust
Camshaft

Camshaft
Housing Plug

Semi–circular
Plug

Strainer

O–Ring

Gasket

LH Intake Camshaft
(with Timing Tube)

RH Exhaust
Camshaft

Camshaft
Housing
Plug

Engine Wire
Bracket

LH Cylinder Head Gasket

LH Cylinder Head and
Exhaust Manifold Assembly

Air–fuel Ratio Sensor
(Bank 1 Sensor 1) Connector

RH Cylinder
Head Gasket

Engine
Wire

7.5 (76, 66 in.·lbf)

7.5 (76, 66 in.·lbf)

Seal
Washer

x 9

x 10

Camshaft Timing
Oil Control Valve
(Bank 1) Connector

Air–fuel Ratio Sensor
(Bank 2 Sensor 1)
Connector

Strainer

1st

40 (408, 30)

2nd Turn 90

°

3rd

Turn 90

°

See page

EM–60

Front
Bearing Cap

6.0 (600, 53 in.·lbf)

6.0 (600, 53 in.·lbf)

EM–34

–

ENGINE MECHANICAL

CYLINDER HEAD

2613

A23372

Non–reusable part

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

Camshaft Drive Gear

Camshaft Timing Tube

Seal Washer

Intake Camshaft

Exhaust Camshaft

Camshaft Oil Seal

Camshaft Gear Spring

Camshaft Driven Sub–gear

Snap Ring

Wave Washer

Screw Plug

15 (150, 11)

7.5 (80, 66 in.·lbf)

Camshaft Driven Main Gear

78 (790, 58)

A23323

Heat Insulator

LH Exhaust Manifold

44 (450, 32)

Heat Insulator

44 (450, 32)

Gasket

RH Cylinder Head

Valve Lifter

Oil Seal

Spring Seat

Valve Spring

Spring Retainer

Adjust Shim

Keeper

Valve Guide Bushing

Valve

RH Exhaust Manifold

Gasket

LH Cylinder Head

Non–reusable part

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

7.5 (76, 66 in.·lbf)

7.5 (76, 66 in.·lbf)

–

ENGINE MECHANICAL

CYLINDER HEAD

EM–35

2614

EM1X0–01

A02844

EM–36

–

ENGINE MECHANICAL

CYLINDER HEAD

2615

REMOVAL

1.

DRAIN ENGINE COOLANT

2.

REMOVE THROTTLE BODY COVER

3.

DISCONNECT TIMING BELT FROM CAMSHAFT TIM-
ING PULLEYS (See page

EM–16

)

NOTICE:

Be careful not to drop anything inside the timing belt
cover.

Do not allow the belt to come into correct with oil, wa-
ter or dust.

4.

REMOVE CAMSHAFT TIMING PULLEYS
(See page

EM–16

)

5.

REMOVE CAMSHAFT POSITION SENSOR
(See page

IG–8

)

6.

DISCONNECT PS PUMP FROM ENGINE
(See page

EM–79

)

7.

REMOVE FRONT EXHAUST PIPE (See page

EM–126

)

8.

REMOVE OIL DIPSTICK AND GUIDE FOR A/T

9.

REMOVE IGNITION COILS (See page

IG–5

)

10.

REMOVE TIMING BELT REAR PLATES

(a)

Remove the 3 bolts, stud bolt and RH No.1 timing belt rear
plates.

(b)

Disconnect the wire clamp from the LH timing belt rear
plate.

(c)

Remove the 3 bolts, stud bolt and LH No.1 timing belt rear
plates.

11.

DISCONNECT FUEL INLET HOSE (See page

SF–27

)

AND FUEL RETURN HOSE

12.

DISCONNECT CONNECTORS FROM INTAKE MAN-
IFOLD

(a)

Disconnect the throttle control connector.

(b)

Disconnect the VSV connector for EVAP.

(c)

Disconnect the 8 injector connectors.

(d)

Disconnect the ECT sensor connector.

(e)

Disconnect the 2 VSV connectors for the air injection sys-
tem.

(f)

Disconnect the 8 ignition coil connectors.

(g)

Disconnect the 2 air fuel ratio sensor connectors.

A23324

(a)

(b)

(c)

(d)

A23325

Water Bypass Hose

A23326

A23327

–

ENGINE MECHANICAL

CYLINDER HEAD

EM–37

2616

13.

DISCONNECT HOSES FROM INTAKE MANIFOLD

(a)

Disconnect the vacuum hose from the fuel pressure regu-
lator.

(b)

Disconnect the PCV hose from the PCV valve on the LH
cylinder head.

(c)

Disconnect the EVAP hose (from charcoal canister) from
the VSV for the EVAP.

(d)

Disconnect the 2 vacuum hoses from the VSV for the air
injection system.

14.

REMOVE INTAKE MANIFOLD ASSEMBLY

(a)

Disconnect the 2 water bypass hoses from the throttle
body.

(b)

Disconnect the 2 wire clamps from the wire clamp bracket
on the RH delivery pipe.

(c)

Remove the 2 bolts holding the engine wire protector from
the intake manifold and cylinder head.

(d)

Remove the 2 bolts and ground cables from the RH and
LH cylinder heads.

(e)

Remove the bolt and throttle body cover bracket from the
intake manifold.