2001 TOYOTA SEQUOIA engine

A23349
EM1X2±01
A23344
A23351
A23350
A23345
EM±60
± ENGINE MECHANICALCYLINDER HEAD
2639 Author: Date:
2005 SEQUOIA (RM1146U)
INSTALLATION
1. INSTALL RH EXHAUST MANIFOLD TO CYLINDER
HEAD
(a) Place a new gasket on the cylinder head.
(b) Install the exhaust manifold with 8 new nuts. Uniformly
tighten the nuts in several steps.
Torque: 44 N´m (450 kgf´cm, 32 ft´lbf)
(c) Install the heat insulator with the 4 bolts.
Torque: 7.5 N´m (76 kgf´cm, 66 in.´lbf)
2. INSTALL LH EXHAUST MANIFOLD TO CYLINDER
HEAD
(a) Place a new gasket on the cylinder head.
(b) Install the exhaust manifold with 8 new nuts. Uniformly
tighten the nuts in several steps.
Torque: 44 N´m (450 kgf´cm, 32 ft´lbf)

A23352
A05563
RH Cylinder Head
LH Cylinder Head 2UR
2UL
B02642B02644A04229
RH Bank
LH Bank
1 79
4
6
5
3
10
8
27
96
5
3
10
8
2
1
4
± ENGINE MECHANICALCYLINDER HEAD
EM±61
2640 Author: Date:
2005 SEQUOIA (RM1146U)
(c) Install the heat insulator with the 4 bolts.
Torque: 7.5 N´m (76 kgf´cm, 66 in.´lbf)
3. PLACE CYLINDER HEADS ON CYLINDER BLOCK
(a) Place 2 new cylinder head gaskets in the positions on the
cylinder block.
HINT:
On the rear side of the cylinder head gasket are marked to dis-
tinguish the LH and RH banks, a º2URº mark for the RH bank
and a º2ULº mark for the LH bank.
NOTICE:
Be careful of the installation direction.
(b) Place the 2 cylinder heads in the positions on the cylinder
head gaskets.
4. INSTALL CYLINDER HEAD BOLTS
HINT:

The cylinder head bolts are tightened in 2 progressive
steps (steps (c) and (e)).

If any cylinder head bolt is broken or deformed, replace
it.
(a) Apply a light coat of engine oil to the threads and under
the heads of the cylinder head bolts.
(b) Install the plate washer to the cylinder head bolt.
(c) Install and uniformly tighten the 10 cylinder head bolts on
one side of the cylinder head in several steps in the se-
quence shown, then perform the same procedure to the
other side as shown.
Torque: 40 N´m (408 kgf´cm, 30 ft´lbf)
If any of the cylinder head bolts does not meet the torque speci-
fication, replace the cylinder head bolt.

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.

A02859
A02889
Service Bolt
SST
Sub Gear
Main Gear
Turn
A23353Front
A23343
5 mm Hexagon
Wrench SST
A03173
± ENGINE MECHANICALCYLINDER HEAD
EM±63
2642 Author: Date:
2005 SEQUOIA (RM1146U)
(c) Mount the hexagon wrench head portion of the camshaft
in a vise.
NOTICE:
Be careful not to damage the camshaft.
(d) Using SST, align the holes of the camshaft main gear and
sub±gear by turning the camshaft sub±gear counter-
clockwise, and temporarily install a service bolt.
SST 09960±10010 (09962±01000, 09963±00500)
(e) Align the gear teeth of the main gear and sub±gear, and
tighten the service bolt.
7. INSTALL CAMSHAFT TIMING TUBE TO INTAKE CAM-
SHAFT
(a) Place a new oil seal to the timing tube.
NOTICE:
Be careful of the installation direction.
(b) Align the timing tube knock pin with the knock pin groove
of the drive gear, and temporarily install the drive gear
with the 4 bolts.
(c) Using SST and a 5 mm hexagon wrench, uniformly tight-
en the 4 bolts in several steps.
SST 09960±10010 (09962±01000, 09963±00500)
Torque: 7.5 N´m (76 kgf´cm, 66 in.´lbf)
NOTICE:
Be careful not to damage the timing tube.
(d) Mount the hexagon head portion of the camshaft in a vise.
NOTICE:
Be careful not to damage the camshaft.

A23342
10 mm Hexagon
Wrench
A14399
Timing Mark
Crankshaft
Pulley Bolt
Turn
Idler Pulley Bolt
A23354
B02636
Seal Packing EM±64
± ENGINE MECHANICALCYLINDER HEAD
2643 Author: Date:
2005 SEQUOIA (RM1146U)
(e) Align the camshaft knock pin with the knock pin groove of
the timing tube, and push the timing tube by hand until you
it touches the bottom.
(f) Using a 10 mm hexagon wrench, install the bolt.
Torque: 78 N´m (790 kgf´cm, 58 ft´lbf)
(g) Install the seal washer and screw plug.
Torque: 15 N´m (150 kgf´cm, 11 ft´lbf)
8. INSTALL CAMSHAFTS
NOTICE:
Since the thrust clearance of the camshaft is small, the
camshaft must be kept level while it is being installed. If the
camshaft is not kept level, the portion of the cylinder head
receiving the shaft thrust may crack or be damaged, caus-
ing the camshaft to seize or break. To avoid this, the follow-
ing steps should be carried out.
(a) Set the crankshaft pulley position.
Turn the pulley clockwise or counterclockwise, and align
the timing mark of the crankshaft pulley with the centers
of the crankshaft pulley bolt and idler pulley bolt.
NOTICE:
Having the crankshaft pulley at the wrong angle can cause
the piston head and valve head to come into contact with
each other when you install the camshaft, causing dam-
age. So always set the crankshaft pulley at the correct
angle.
(b) Install the LH camshafts.
(1) Apply MP grease to the thrust portion of the intake
and exhaust camshafts.
(2) Align the timing marks (2±dot mark) of the camshaft
drive and driven main gears, and place the intake
and exhaust camshafts.
(3) Apply seal packing to the camshaft housing plug.

Remove the old packing material (FIPG).

Apply seal packing to the housing plug.
Seal packing: Part No. 08826±00080 or equivalent

A23355
A16831
Seal Packing
Seal Width
1.5 mm
A23356
± ENGINE MECHANICALCYLINDER HEAD
EM±65
2644 Author: Date:
2005 SEQUOIA (RM1146U)
(4) Install the camshaft housing plug to the cylinder
head as shown in the illustration.
(5) Install the strainer to the cylinder head.
NOTICE:
Be careful of the installation direction.
(6) Apply seal packing to the front bearing cap.

Remove any old packing material (FIPG) and
be careful not to drop any oil on the contact
surfaces of the bearing cap and cylinder
head.
Using a razor blade and gasket scraper, re-
move all the old packing material (FIPG) from
the gasket surfaces and groove.
Thoroughly clean all components to remove
all the loose material.
Using a non±residue solvent, clean both
sealing surfaces.

Apply seal packing to the bearing cap as
shown in the illustration.
Install a nozzle that has been cut to a 1.5 mm
(0.059 in.) opening.
Parts must be assembled within 5 minutes of
application. Otherwise the material must be
removed and reapplied.
Immediately remove the nozzle from the tube
and reinstall cap.
Seal packing: Part No. 08826±00080 or equivalent
NOTICE:
Do not apply seal packing to the front bearing cap grooves.
(7) Install the front bearing cap.
HINT:
Installing the front bearing cap will determine the thrust portion
of the camshaft.
(8) Install the other bearing caps in the sequence
shown with the arrow mark facing forward.

A23357
Push
A23337
A
B
C
D
E A
BC
D E
E
EE
EEE
EEEE
EE
A23337
1
4
22
8
9 2
321
6 10
17
18
5
71314
19121115
1620
A23335
Service Bolt EM±66
± ENGINE MECHANICALCYLINDER HEAD
2645 Author: Date:
2005 SEQUOIA (RM1146U)
(9) Push in the camshaft oil seal.
(10) Install 4 new seal washers to the bearing cap bolts
(A and B).
(11) Apply a light coat of engine oil to the threads and un-
der 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
(12) Install the oil feed pipe and the 22 bearing cap bolts
as shown in the illustration.
(13) 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
(14) Remove the service bolt.

A23358
Approx. 10°
B02636
Seal Packing
A23359
± ENGINE MECHANICALCYLINDER HEAD
EM±67
2646 Author: Date:
2005 SEQUOIA (RM1146U)
(c) Install the RH camshafts.
(1) Apply MP grease to the thrust portions of the intake
and exhaust camshafts.
(2) Align the timing marks (1±dot mark) of the camshaft
drive and driven main gears, and place the intake
and exhaust camshafts.
(3) Set the timing mark (1±dot mark) of the camshaft
drive and driven main gears at approx. 10° angle.
(4) Apply seal packing to the camshaft housing plug.

Remove the old packing material (FIPG).

Apply seal packing to the housing plug.
Seal packing: Part No. 08826±00080 or equivalent
(5) Install the camshaft housing plug to the cylinder
head as shown in the illustration.
(6) Install the strainer to the cylinder head.
NOTICE:
Be careful of the installation direction.