Page 2681 of 4323
A08932
Lift
A04857
EM±94
± ENGINE MECHANICALENGINE UNIT (4WD)
2673 Author: Date:
2005 SEQUOIA (RM1146U)
(c) Lift the engine out of the vehicle slowly and carefully.
HINT:
Make sure the engine is clear of all wiring, hoses and cables.
(d) Place the engine and transmission assembly onto the
stand.
19. REMOVE DRIVE PLATE
Remove the 8 bolts, front spacer, drive plate and rear spacer.
Page 2682 of 4323

EM11Y±07
A04869
Adhesive
A04857
1
2
3
47
6
8
5
A05137
Painted
Mark
90°
90°
A08933
Lower
± ENGINE MECHANICALENGINE UNIT (4WD)
EM±95
2674 Author: Date:
2005 SEQUOIA (RM1146U)
INSTALLATION
1. INSTALL DRIVE PLATE
HINT:
The mounting bolts are tightened in 2 progressive steps
(steps (c) and (e)).
If any one of the mounting bolts is broken or deformed, re-
place it.
(a) Apply adhesive to 2 or 3 threads of the mounting bolt end.
Adhesive:
Part No. 08833±00070, THREE BOND 1324 or equiva-
lent
(b) Install the front spacer, drive plate and rear spacer on the
crankshaft.
(c) Install and uniformly tighten the 8 mounting bolts in sever-
al passes, in the sequence shown.
Torque: 49 N´m (500 kgf´cm, 36 ft´lbf)
If any one of the mounting bolts does not meet the torque speci-
fication, replace the mounting bolt.
(d) Mark the mounting bolt with paint.
(e) Retighten the mounting bolts by 90° in the numerical or-
der shown.
(f) Check that the painted mark is now at a 90° angle to (e).
2. INSTALL ENGINE ASSEMBLY IN VEHICLE
(a) Attach the engine chain hoist to the engine hangers.
(b) Slowly lower the engine assembly into the engine
compartment.
(c) Attach the engine mounting brackets to the frame brack-
ets.
Page 2683 of 4323

A08936
A08907
A08905
EM±96
± ENGINE MECHANICALENGINE UNIT (4WD)
2675 Author: Date:
2005 SEQUOIA (RM1146U)
(d) Install the engine mounting brackets to the frame brack-
ets with the 2 nuts and 4 bolts.
Torque: 38 N´m (388 kgf´cm, 28 ft´lbf)
(e) Remove the engine chain hoist.
3. INSTALL PS PUMP
Install the PS pump with the 3 bolts.
Torque: 17 N´m (175 kgf´cm, 13 ft´lbf)
4. INSTALL A/C COMPRESSOR
(a) Install the A/C compressor with the 3 bolts.
Torque: 49 N´m (500 kgf´cm, 36 ft´lbf)
(b) Connect the A/C compressor connector.
5. CONNECT HOSES, WIRES, CONNECTORS, CLAMPS,
GROMMET AND CABLES
(a) Connect the 2 PS air hoses to hose clamp on the No.3 RH
timing belt cover.
(b) Connect the generator wire.
(c) Connect the generator connector.
(d) Connect the hose clamp for the PS air hose.
(e) Connect the PS air hose to the upper intake manifold.
(f) Connect the 2 heater hoses.
(g) Connect the ground strap to the cowl panel.
(h) Connect the fuel inlet hose and clamps.
(i) Connect the fuel return hose and clamp.
(j) Connect the air inlet hose to the charcoal canister.
(k) Connect the EVAP hose to the charcoal canister.
(l) Connect the brake booster tube.
6. CONNECT ENGINE WIRE TO CABIN
(a) Push into the engine wire through the cowl panel.
Page 2684 of 4323

A09152
Connect
± ENGINE MECHANICALENGINE UNIT (4WD)
EM±97
2676 Author: Date:
2005 SEQUOIA (RM1146U)
(b) Install the engine wire bracket with the 2 nuts and bolt and
connect the engine wire to the bracket.
(c) Connect the 3 connectors to the ECM.
(d) Connect the 2 wire harness connectors (cassette con-
nector).
(e) Install the ECM with the 3 screws.
(f) Install the lower No.2 panel.
(g) Install the glove compartment door.
7. INSTALL FAN PULLEY, FAN, FLUID COUPLING AND
DRIVE BELT
(a) Temporarily install the fan pulley, the fan and fluid cou-
pling assembly with the 4 nuts.
(b) Install the drive belt. (See page CH±16)
(c) Tighten the 4 nuts holding the fluid coupling to the fan
bracket.
8. INSTALL AIR CLEANER AND INTAKE AIR CONNEC-
TOR PIPE ASSEMBLY
(a) Install the air cleaner case with the 3 bolts.
Torque: 5.0 N´m (51 kgf´cm, 44 in.´lbf)
(b) Connect the intake air connector to the throttle body.
(c) Connect the MAF meter connector.
(d) Install the suction hose to the intake air connector.
(e) Connect the PS air hose, air inlet hose for EVAP, PCV
hose and MAF meter connector to the intake air connec-
tor.
9. INSTALL THROTTLE BODY COVER
10. INSTALL TRANSMISSION (See page AT±29)
11. INSTALL RADIATOR ASSEMBLY (See page CO±18)
12. INSTALL FRONT STABILIZER BAR
(See page SA±93)
13. INSTALL FRONT AND REAR PROPELLER SHAFTS
(See page PR±9)
14. INSTALL FRONT EXHAUST PIPES
(See page EM±126)
15. INSTALL BATTERY CABLES
(a) Connect the battery positive (+) terminal cable.
(b) Connect the battery negative (±) cable to the battery and
left fender apron.
(c) Connect the clamp on battery negative (±) cable to No.2
relay box.
16. PERFORM INITIALIZATION
Some system need initialzation when disconnecting the cable
from the battery terminal.
17. FILL WITH ENGINE COOLANT (See page CO±2)
18. FILL WITH ENGINE OIL (See page LU±2)
19. START ENGINE AND CHECK FOR LEAKS
20. INSTALL ENGINE UNDER COVERS
21. INSTALL HOOD
Page 2685 of 4323
EM±98
± ENGINE MECHANICALENGINE UNIT (4WD)
2677 Author: Date:
2005 SEQUOIA (RM1146U)
22. PERFORM ROAD TEST
Check for abnormal noise, shock, slippage, correct shift points
and smooth operation.
23. RECHECK ENGINE COOLANT AND OIL LEVELS
Page 2686 of 4323
EM0E9±17
A23375
Engine Mounting Bracket
Oil Pump
Crankshaft
Front Oil
Seal
Crankshaft Position
Sensor Connector
No.1 Oil Pan
Non±reusable part
Precoated partOil StrainerEngine
Mounting
Bracket
VVT Sensor 2
ConnectorKnock Sensor 1
Knock Sensor 2
Engine Coolant
Drain UnionStarter
No.2 Oil Pan Oil Pan Baffle Platex 8 Water Pump
Gasket O±Ring
Engine
Wire
Engine
Wire
Cover VVT
Sensor 1
Engine Coolant
Drain Union
36 (370, 27)
30.5 (310, 22)
x 5
Oil Pressure
Sender Gauge
Connector
7.5 (76, 66 in.´lbf)
7.5 (76, 66 in.´lbf)
7.5 (76, 66 in.´lbf)
N´m (kgf´cm, ft´lbf) : Specified torque
x 20
Clamp
Engine Wire Protector
Tape
28 (290, 21)
7.5 (76, 66 in.´lbf)
28 (290, 21)
Water Bypass Pipe
7.5 (76, 66 in.´lbf)
O±Ring
Gasket
Engine
Wire
15.5 (160, 11)
39 (400, 29)
Gasket
28 (290, 21)
7.5 (76, 66 in.´lbf)
x 4
± ENGINE MECHANICALCYLINDER BLOCK
EM±99
2678 Author: Date:
2005 SEQUOIA (RM1146U)
CYLINDER BLOCK
COMPONENTS
Page 2687 of 4323
A04847
No.1 Piston Ring
No.2 Piston Ring
Oil RingSide Rail
Expander
Side Rail
Connecting Rod
Connecting Rod Bearing
Connecting Rod Cap
Cylinder Block Snap Ring
Piston Pin
Crankshaft
Rear Oil Seal O±Ring
Rear Oil Seal Retainer
Upper Main Bearing Snap Ring Piston
Upper Crankshaft
Thrust Washer
Lower Main Bearing
Lower Crankshaft
Thrust Washer
Main Bearing Cap
Non±reusable partx 7
Crankshaft
N´m (kgf´cm, ft´lbf) : Specified torque Connecting Rod Bushing
See page EM±119
1st 24.5 (250, 18)
2nd Turn 90°
See page EM±119
1st 27 (275, 20)
2nd Turn 90°
8.0 (80, 71 in.´lbf)
EM±100
± ENGINE MECHANICALCYLINDER BLOCK
2679 Author: Date:
2005 SEQUOIA (RM1146U)
Page 2688 of 4323

EM122±05
A05112
Pull
Wire
Clamp
O±Ring
A08472
LH Side
± ENGINE MECHANICALCYLINDER BLOCK
EM±101
2680 Author: Date:
2005 SEQUOIA (RM1146U)
DISASSEMBLY
1. INSTALL ENGINE TO ENGINE STAND
2. REMOVE TIMING BELT AND PULLEYS
(See page EM±16)
3. REMOVE CYLINDER HEAD (See page EM±36)
4. REMOVE WATER BYPASS PIPE
(a) Disconnect the wire clamp (for knock sensor 1, 2) from
bracket of the water bypass pipe.
(b) Remove the bolt.
(c) Pull out the water bypass pipe from the water pump.
(d) Remove the O±ring from the water bypass pipe.
5. REMOVE STARTER (See page ST±5)
6. REMOVE KNOCK SENSORS (See page SF±66)
7. REMOVE VVT SENSORS (See page SF±77)
8. DISCONNECT ENGINE WIRE FROM LH SIDE OF CYL-
INDER BLOCK
(a) Remove the 2 bolts and engine wire cover from the LH
side of the cylinder block.
(b) Remove the 2 bolts, disconnect the brackets on the en-
gine wire from the cylinder block and engine mounting
bracket.
9. REMOVE OIL COOLER PIPE BRACKET FOR A/T
Remove the bolt and bracket.
10. REMOVE ENGINE MOUNTING BRACKETS
Remove the 4 bolts and mounting bracket. Remove the 2
mounting brackets.
11. REMOVE WATER PUMP (See page CO±6)
12. REMOVE NO.2 OIL PAN (See page LU±8)
13. REMOVE OIL PAN BAFFLE PLATE
14. REMOVE NO.1 OIL PAN (See page LU±8)
15. REMOVE OIL STRAINER
16. REMOVE OIL PUMP (See page LU±8)
17. REMOVE ENGINE COOLANT DRAIN UNIONS
Remove the 2 drain unions.