Page 2617 of 4323
B17614
GasketRH Front Exhaust Pipe
Gasket
Non±reusable part
N´m (kgf´cm, ft´lbf) : Specified torquePS Pump Oil Dipstick and
Guide for A/T
62 (632, 46)Ring
Gasket
17(175, 13)
62 (632, 46)
Heated Oxygen
Sensor
Gasket
Heated Oxygen
Sensor
O±Ring
EM±30
± ENGINE MECHANICALCYLINDER HEAD
2609 Author: Date:
2005 SEQUOIA (RM1146U)
Page 2618 of 4323
A23302
RH No.3 Timing Belt Cover
No.2 Timing
Belt Cover
LH No.3 Timing Belt Cover Drive Belt Idler Pulley
Camshaft Position
Sensor ConnectorCover Plate
Oil Cooler Pipe Engine Wire
7.5 (76, 66 in.´lbf)
16 (160, 12)
7.5 (76, 66 in.´lbf)
N´m (kgf´cm, ft´lbf) : Specified torque
Wire Grommet
39 (400, 29)
A23373
Timing BeltRH Camshaft Timing Pulley
LH Camshaft Timing Pulley
Timing Belt Tensioner
Fan BracketDust Boot
16 (160, 12)
32 (330, 24)
26 (270, 19)
N´m (kgf´cm, ft´lbf) : Specified torque
8.1 (83, 72 in.´lbf)
± ENGINE MECHANICALCYLINDER HEAD
EM±31
2610 Author: Date:
2005 SEQUOIA (RM1146U)
Page 2619 of 4323
A23320
Rear Water
Bypass JointEngine Wire Protector
Gasket
Injection Connector
Ignition Coil Connector
Ignition Coil Throttle Control
Connector
ECT
Sensor Connector
Front Water
Bypass Joint
Water Inlet and Inlet
Housing Assembly
Water Bypass Hose
LH No.1 Timing Belt Rear Plate
Non±reusable partEngine Wire
Gasket
O±Ring
Engine WireHeater Hose
Throttle Body
Cover Bracket
VSV Connector
for EVAP Fuel Return Hose
Engine Wire
EVAP Hose
Heater Hose
Wire BracketFuel Inlet Hose
Gasket
RH No.1 Timing Belt Rear Plate
GasketAir Switching Valve No.2
Air Tube No.3
Air Tube No.3
Gasket
N´m (kgf´cm, ft´lbf) : Specified torque Gasket
18 (185, 13)
18 (185, 13)
18 (185, 13)
7.5 (76, 66 in.´lbf)
7.5 (76, 66 in.´lbf)
Gasket
Gasket
7.5 (76, 66 in.´lbf)
Air Pump Assembly
16 (163, 12)
10 (102, 7)
10 (102, 7)
16 (163, 12)
EM±32
± ENGINE MECHANICALCYLINDER HEAD
2611 Author: Date:
2005 SEQUOIA (RM1146U)
Page 2620 of 4323
A23321
Fuel Pressure
Pulsation Damper
* 33 (340, 24)
39 (400, 29)
PCV
18 (184, 13)
LH Delivery Pipe
N´m (kgf´cm, ft´lbf) : Specified torque
Non±reusable part
* For use with SST Grommet
Injector O±Ring
InsulatorFuel Return Pipe
Front Fuel Pipe Gasket
Gasket
Throttle Body Assembly
39 (400, 29)
Fuel Pressure RegulatorVacuum Hose
RH Delivery PipeVSV for EVAP
VSV for Secondary Air Injection System
VSV Wire Connector
for ACIS
VSV for ACIS
7.5 (76, 66 in.´lbf)
Union
39 (400, 29)
Union
Upper Gasket
7.5 (76, 66 in.´lbf)
7.5 (76, 66 in.´lbf)
21 (214, 15)
21 (214, 15)
Ventilation
Hose
7.5 (76, 66 in.´lbf)
7.5 (76, 66 in.´lbf)
O±Ring
Lower Gasket
7.5 (76, 66 in.´lbf)
18 (185, 13)
± ENGINE MECHANICALCYLINDER HEAD
EM±33
2612 Author: Date:
2005 SEQUOIA (RM1146U)
Page 2621 of 4323

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 WireEngine Wire
Clamp
x 9
Camshaft
Timing Oil
Control Valve
(Bank 1)
Camshaft Timing
Oil Control Valve
(Bank 2)
Front
Bearing Cap
Spark PlugGasket
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 GasketLH 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
Washerx 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 MECHANICALCYLINDER HEAD
2613 Author: Date:
2005 SEQUOIA (RM1146U)
Page 2622 of 4323
A23372 Non±reusable part
N´m (kgf´cm, ft´lbf) : Specified torqueCamshaft Drive Gear
Camshaft Timing Tube
Seal WasherIntake 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 Gear78 (790, 58)
A23323
Heat Insulator LH Exhaust Manifold
44 (450, 32)
Heat Insulator
44 (450, 32)
Gasket RH Cylinder HeadValve Lifter
Oil Seal Spring SeatValve SpringSpring RetainerAdjust 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 MECHANICALCYLINDER HEAD
EM±35
2614 Author: Date:
2005 SEQUOIA (RM1146U)
Page 2623 of 4323

EM1X0±01
A02844
EM±36
± ENGINE MECHANICALCYLINDER HEAD
2615 Author: Date:
2005 SEQUOIA (RM1146U)
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.
Page 2624 of 4323
A23324
(a)
(b)
(c)
(d)
A23325Water Bypass Hose
A23326
A23327
± ENGINE MECHANICALCYLINDER HEAD
EM±37
2616 Author: Date:
2005 SEQUOIA (RM1146U)
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.