Toyota Sequoia (2005). Manual - part 677

A04859

SST

EM–118

–

ENGINE MECHANICAL

CYLINDER BLOCK

2697

(3)

Apply MP grease to a new oil seal lip.

(4)

Using SST and a hammer, tap in the oil seal until its
surface is flush with the rear oil seal retainer edge.

SST

09223–56010

EM124–07

A04861

A04876

60

°

C

A23369

Front Mark
(2 Cavities)

Front
Mark
(1 Cavity)

Outside Mark

LH Piston

RH Piston

Outside Mark

A04860

–

ENGINE MECHANICAL

CYLINDER BLOCK

EM–119

2698

REASSEMBLY

HINT:

Thoroughly clean all parts to be assembled.

Before installing the parts, apply new engine oil to all slid-
ing and rotating surfaces.

Replace all gaskets, O–rings and oil seals with new ones.

1.

ASSEMBLE PISTON AND CONNECTING ROD

(a)

Using a screwdriver, install a new snap ring on one side
of the piston pin hole.

(b)

Gradually heat the piston to about 60

°

C (140

°

F).

(c)

Coat the piston pin with engine oil.

(d)

Position the piston so that the front mark and to the out-
side mark on the connecting rod face in the same direc-
tion as shown in the illustration.

NOTICE:
The installation directions of the piston and connecting rod
are different for the LH and RH banks. The LH piston is
marked with 1 cavity and ”2”, the RH piston with 2 cavities
and ”2”.
(e)

Align the piston pin holes of the piston and connecting
rod, and push in the piston pin with your thumb.

(f)

Using a screwdriver, install a new snap ring on the other
side of the piston pin hole.

A21016

No.1

No.2

Code Mark 2R

A23370

Lower
Side
Rail

Front
Mark
(1 Cavity)

Upper Side Rail

No. 1 Compression

Expander

LH Piston

No. 2 Compression

Lower
Side
Rail

Front
Mark
(2 Cavities)

Upper Side Rail

No. 1 Compression

No. 2 Compression

RH Piston

Expander

45

°

45

°

45

°

45

°

60

°

60

°

60

°

60

°

EM6484

A04846

Upper

Lower

22.5 mm

19.5 mm

No.1 and No.5

Others

EM–120

–

ENGINE MECHANICAL

CYLINDER BLOCK

2699

2.

INSTALL PISTON RINGS

(a)

Install the oil ring expander and 2 side rails by hand.

(b)

Using a piston ring expander, install the 2 compression
rings.
Code mark:

No.1

None

No.2

2R

(c)

Position the piston rings so that the ring ends are as
shown.

NOTICE:
Do not align the ring ends

.

3.

INSTALL BEARINGS

(a)

Align the bearing claw with the groove of the connecting
rod or connecting cap.

(b)

Install the bearings in the connecting rod and connecting
rod cap.

4.

INSTALL MAIN BEARINGS

HINT:

Main bearings are of 19.5 mm (0.768 in.) and 22.5 mm
(0.886 in.) in width. Install the 22.5 mm (0.886 in.) bear-
ings in the No.1 and No.5 cylinder block journal positions
with the main bearing cap. Install the 19.5 mm (0.768 in.)
bearings in the other positions.

Upper bearings have an oil groove and oil holes, but lower
bearings do not.

A04216

A04214

Mark
1, 2, 3, 4, or 5

A04215

A04217

A05091

–

ENGINE MECHANICAL

CYLINDER BLOCK

EM–121

2700

(a)

Align the bearing claw with the claw groove of the cylinder
block, and push in the 5 upper bearings.

(b)

Align the bearing claw with the claw groove of the main
bearing cap, and push in the 5 lower bearings.

HINT:
A number is marked on each main bearing cap to indicate the
installation position.

5.

INSTALL UPPER THRUST WASHERS

Install the 2 thrust washers under the No.3 journal position of
the cylinder block with the oil grooves facing outward.
6.

PLACE CRANKSHAFT ON CYLINDER BLOCK

7.

PLACE MAIN BEARING CAPS AND LOWER THRUST
WASHERS ON CYLINDER BLOCK

(a)

Install the 2 thrust washers on the No.3 bearing cap with
the grooves facing outward.

(b)

Install the 5 main bearing caps in their proper locations.

8.

INSTALL MAIN BEARING CAP BOLTS

HINT:

The main bearing cap bolts are tightened in 2 progressive
steps (steps (b) and (d)).

If any one of the main bearing cap bolts is broken or de-
formed, replace it.