2001 TOYOTA SEQUOIA check engine

A04022
A23346
A23347
Turn
EM3322
A04083
Plastigage
EM±52
± ENGINE MECHANICALCYLINDER HEAD
2631 Author: Date:
2005 SEQUOIA (RM1146U)
16. INSPECT CAMSHAFT JOURNALS
Using a micrometer, measure the journal diameter.
Journal diameter:
26.954 to 26.970 mm (1.0612 to 1.0618 in.)
If the journal diameter is not as specified, check the oil clear-
ance (see step 20).
17. INSPECT CAMSHAFT TIMING TUBE
(a) Using a micrometer, measure the journal diameter.
Journal diameter:
39.955 to 39.964 mm (1.5730 to 1.5734 in.)
If the journal diameter is not as specified, check the oil clear-
ance.
(b) Install the timing tube to the intake camshaft, and check
the timing tube turns smoothly.
If necessary, replace the timing tube and intake camshaft.
18. INSPECT CAMSHAFT GEAR SPRING
Using vernier calipers, measure the free distance between the
spring ends.
Free distance: 18.2 to 18.8 mm (0.717 to 0.740 in.)
If the free distance is not as specified, replace the gear spring.
19. INSPECT CAMSHAFT BEARINGS
Check the bearings for flaking and scoring.
If the bearings are damaged, replace the bearing caps and cyl-
inder head as a set.
20. INSPECT CAMSHAFT JOURNAL OIL CLEARANCE
(a) Install the camshaft timing tube to the intake camshaft
(see page EM±58).
(b) Clean the bearing caps and camshaft journals.
(c) Place the camshafts on the cylinder head.
(d) Lay a strip of Plastigage across each of the camshaft jour-
nals.

A05712SST
A07306
Vinyl Tape
± ENGINE MECHANICALCYLINDER HEAD
EM±59
2638 Author: Date:
2005 SEQUOIA (RM1146U)
(c) Using SST, compress the valve spring and place the 2
keepers around the valve stem.
SST 09202±70020 (09202±00010)
(d) Using a plastic±faced hammer and the valve stem (not in
use) tip wound with vinyl tape, lightly tap the valve stem
tip to assure proper fit.
NOTICE:
Be careful not to damage the valve stem tip.
3. INSTALL SHIMS AND VALVE LIFTERS
(a) Install the shim and valve lifter.
(b) Check that the valve lifter rotates smoothly by hand.

B02643
B02645A04230
RH Bank
LH BankPortion A
Portion A
A04093
Painted Mark
90°
90°
Front
A02888
Camshaft Gear Spring
Wave WasherCamshaft Sub±gear
A02861
EM±62
± ENGINE MECHANICALCYLINDER HEAD
2641 Author: Date:
2005 SEQUOIA (RM1146U)
NOTICE:
Do not drop the plate washer for cylinder head bolt into por-
tion A of the cylinder head. If dropped into portion A, the
plate washer will pass through the cylinder head and cylin-
der block into the oil pan.
(d) Mark the front of the cylinder head bolt with paint.
(e) Retighten the cylinder head bolts by 90° in the numerical
order shown.
(f) Check that the painted mark is now at a 90° angle to front.
5. INSTALL SPARK PLUGS
6. ASSEMBLE EXHAUST CAMSHAFT
(a) Install the camshaft gear spring, camshaft sub±gear and
wave washer.
HINT:
Attach the pin on the gear to the gear spring end.
(b) Using snap ring pliers, install the snap ring.

A23340
A
B
C
E
EA
B C
EE
E
EE
EE D
E EEE
ED
A23340
1
4
22
82
3 21
6
57
13 141912
11
15
1620
9
1017
18
A23338
Service Bolt
EM7143
Seal Packing
± ENGINE MECHANICALCYLINDER HEAD
EM±69
2648 Author: Date:
2005 SEQUOIA (RM1146U)
(11) Install 4 new seal washers to the bearing cap bolts
(A and B).
(12) Apply a light coat of engine oil on the threads and
under the heads of the bearing cap bolts (D and E).
NOTICE:
Do not apply engine oil under the heads of the bearing cap
bolts (A), (B) and (C).
HINT:
Each bolt length is indicated in the illustration.
Bolt length:
94 mm (3.70 in.) for A with seal washer
72 mm (2.83 in.) for B with seal washer
25 mm (0.98 in.) for C
52 mm (2.05 in.) for D
38 mm (1.50 in.) for E
(13) Install the oil feed pipe and the 22 bearing cap bolts
as shown in the illustration.
(14) Uniformly tighten the 22 bearing cap bolts in several
steps, in the sequence shown.
Torque:
7.5 N´m (76 kgf´cm, 66 in.´lbf) for bolt C
16 N´m (160 kgf´cm, 12 ft´lbf) for others
(15) Remove the service bolt.
9. CHECK AND ADJUST VALVE CLEARANCE
(See page EM±4)
Turn the camshaft so that the cam lobe faces upward, and
check and adjust the valve clearance.
10. INSTALL CAMSHAFT TIMING OIL CONTROL VALVE
(See page SF±48)
11. INSTALL SEMI±CIRCULAR PLUGS
(a) Remove any old packing material (FIPG).
(b) Apply seal packing to the semi±circular plug grooves.
Seal packing:
Part No. 08826±00080 or equivalent

A23324
(a)
(b)
(c)
(d)
EM±74
± ENGINE MECHANICALCYLINDER HEAD
2653 Author: Date:
2005 SEQUOIA (RM1146U)
26. CONNECT HOSES TO INTAKE MANIFOLD
(a) Connect the vacuum hose to the fuel pressure regulator.
(b) Connect the PCV hose to the PCV valve on the LH the cyl-
inder head.
(c) Connect the EVAP hose (from charcoal canister) to the
VSV for EVAP.
(d) Connect the 2 vacuum hoses to the VSV for the air injec-
tion system.
(e) Connect the brake booster tube.
27. CONNECT CONNECTORS TO INTAKE MANIFOLD
(a) Connect the throttle control connector.
(b) Connect the 2 VSV connectors for the air injection sys-
tem.
(c) Connect the VSV connector for the EVAP.
(d) Connect the 8 injector connectors.
(e) Connect the ECT sensor connector.
(f) Connect the 2 air fuel ratio sensor connectors.
28. CONNECT FUEL INLET HOSE (See page SF±31) AND
FUEL RETURN HOSE
29. INSTALL TIMING BELT REAR PLATES
(a) Install the RH No.1 timing belt rear plates.
Install the RH No.1 timing belt rear plates to the cylinder
head with the 3 bolts and stud bolt.
Torque: 7.5 N´m (76 kgf´cm, 66 in.´lbf)
(b) Install the LH No.1 timing belt rear plates.
(1) Connect the wire clamp to the No.1 timing belt rear
plate.
(2) Install the LH No.1 timing belt rear plates to the cyl-
inder head with the 3 bolts and stud bolt.
Torque: 7.5 N´m (76 kgf´cm, 66 in.´lbf)
30. INSTALL THROTTLE BODY COVER
31. INSTALL IGNITION COILS (See page IG±6)
32. INSTALL OIL DIPSTICK AND GUIDE FOR A/T
33. INSTALL FRONT EXHAUST PIPE (See page EM±126)
34. INSTALL PS PUMP (See page EM±83)
35. INSTALL CAMSHAFT POSITION SENSOR
(See page IG±9)
36. INSTALL CAMSHAFT TIMING PULLEYS
(See page EM±23)
37. CONNECT TIMING BELT TO CAMSHAFT TIMING PUL-
LEYS (See page EM±23)
38. CHECK ENGINE OIL LEVEL

EM121±07
A04869
Adhesive
A04857
1
2
3
47
6
8
5
A05137
Painted
Mark
90°
90°
A08901
± ENGINE MECHANICALENGINE UNIT (2WD)
EM±83
2662 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 TRANSMISSION TO ENGINE
(a) Check the torque converter clutch installation.
(See page AT±29)
(b) Attach the transmission to the engine.
(c) Install the 10 bolts.
Torque:
37 N´m (380 kgf´cm, 27 ft´lbf) for 14 mm head
72 N´m (730 kgf´cm, 53 ft´lbf) for 17 mm head

A09152
Connect
± ENGINE MECHANICALENGINE UNIT (2WD)
EM±87
2666 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 2 wire harness connectors (cassette con-
nector).
(d) Connect the 3 connectors to the ECM.
(e) Install the ECM with the 3 screws.
(f) Install the lower No.2 panel.
(g) Install the glove compartment door.
19. 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.
20. INSTALL AIR CLEANER AND INTAKE AIR CONNEC-
TOR ASSEMBLY
(a) Install the air cleaner with the 3 bolt.
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 wire to the air intake connector.
21. INSTALL THROTTLE BODY COVER
22. INSTALL RADIATOR ASSEMBLY (See page CO±18)
23. INSTALL BATTERY CABLES
(a) Connect the clamp on battery negative (±) cable to No.2
relay box.
(b) Connect the battery positive (+) terminal cable.
(c) Connect the battery negative cable to the left fender
apron.
24. PERFORM INITIALIZATION
Some system need initialzation when disconnecting the cable
from the battery terminal.
25. FILL WITH ENGINE COOLANT (See page CO±2)
26. FILL WITH ENGINE OIL (See page LU±2)
27. START ENGINE AND CHECK FOR LEAKS
28. INSTALL ENGINE UNDER COVER
29. INSTALL HOOD
30. PERFORM ROAD TEST
Check for abnormal noise, shock, slippage, correct shift points
and smooth operation.
31. RECHECK ENGINE COOLANT AND OIL LEVELS

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.