Page 1913 of 4264

ENGINE MECHANICAL (6VE1 3.5L) 6A-89
012RS005
NOTE: For information on piston diameter, please refer
to the section "Inspection of the Piston and Connecting
Rod Assembly" in this manual.
The "Grade" mark (1) is stamped at the
position illustrated.
012RS006
Reassembly
1. Install cylinder block.
2. Install crankshaft.
Install the main bearings to the cylinder block
and the main bearing caps.
Be sure that they are positioned correctly.
Apply new engine oil to the upper and lower
main bearing faces.
NOTE: Do not apply engine oil to the bearing back
faces.
015RS012
Legend
(1) Number 1 and 4 main bearing upper and lower.
(2) Number 2 and 3 main bearing upper.
(3) Number 2 and 3 main bearing lower.
Carefully mount the crankshaft.
Apply engine oil to the thrust washer.
Assemble the thrust washer to the No. 3
bearing journal. The oil grooves must face the
crankshaft.
015RS013
3. Install rear oil seal retainer.
Remove oil on cylinder block and retainer fitting
surface.
Apply sealant (TB1207B or equivalent) to
retainer fitting surface as shown in illustration.
The oil seal retainer must be installed within 5
minutes after sealant application before the
sealant hardens.
Page 1914 of 4264

6A-90 ENGINE MECHANICAL (6VE1 3.5L)
015RW002
Legend
(1) Around Bolt Holes
(2) Around Dowel Pin
Apply engine oil to oil seal lip and align a dowel
pin hole in the cylinder block with that in the
retainer.
Tighten retainer fixing bolts to the specified
torque.
Torque: 25 N
m (2.5 kg
m/18.4 lb ft)
015RW001
4. Install flywheel
1. Thoroughly clean and remove the oil from the
threads of crankshaft.
2. Remove the oil from the crankshaft and
flywheel mounting faces.
3. Mount the flywheel on the crankshaft and then
install the washer.
4. Holding the crankshaft stationary, tighten the
flywheel bolts in the order shown. Torque: 54 N
m (5.5 kg
m/40 lb ft)
NOTE: Do not reuse the bolts and do not apply oil o
r
thread lock to the bolts.
015RS018
5. Install piston and connecting rod assembly.
Apply engine oil to the cylinder bores, the
connecting rod bearings and the crankshaf
t
pins.
NOTE: Do not apply engine oil to the bearing back
faces.
Check to see that the piston ring end gaps are
correctly positioned.
015RS019
Legend
(1) No.1 Compression Ring
(2) No.2 Compression Ring
(3) Oil Ring Side Rail Upper
(4) Oil Ring Side Rail Lower
(5) Piston Front Mark
Page 1915 of 4264

ENGINE MECHANICAL (6VE1 3.5L) 6A-91
Insert the piston/connecting rod assemblies into
each cylinder with the piston ring compressor.
The front marks (1) must be facing the front o
f
the engine.
015RS020
6. Install oil gallery and tighten the bolts in 2 steps in
the order shown.
1st step : 29 N
m (3.0 kg
m/22 lb ft)
2nd step : 55
65°
012RS007
7. Install cylinder block side bolts (1) and tighten
crankcase bolts in sequence shown in the
illustration.
Torque : 39 N
m (4.0 kg
m/29 lb ft)
012RW005
8. Install oil pump assembly. Refer to “Oil Pump" in
this manual.
9. Install oil strainer and O-ring.
10. Install oil pipe and O-ring.
11. Install crankcase with oil pan.
1. Completely remove all residual sealant,
lubricant and moisture from the sealing
surfaces. The surfaces must be perfectly dry.
2. Apply a correct width bead of sealant (TB
1207C or its equivalent) to the contact surfaces
of the crankcase. There must be no gaps in the
bead.
3. The oil pan must be installed within 5 minutes
after sealant application to prevent premature
hardening of sealant.
Page 1916 of 4264
6A-92 ENGINE MECHANICAL (6VE1 3.5L)
4. Tighten the bolts and nuts to the specified
torque.
Torque : 10 N
m (1.0 kg
m/7 lb ft)
013RW010
Legend
(1) Portion Between Both Holes
(2) Bolt Hole Portions
12. Install cylinder head gasket.
13. Install cylinder head assembly. Refer to “Cylinde
r
Head" in this manual.
Page 1917 of 4264
ENGINE MECHANICAL (6VE1 3.5L) 6A-93
Main Data and Specification
General Specification
Item Specifications
Engine type, number of cylinders and arrangement Water cooled, four cycle V6
Form of combustion chamber Pent-roof type
Valve mechanism 4-Cams, 4-Valves, DOHC Gear & Belt Drive
Cylinder liner type Casted in cylinder block
Total piston displacement 3494 cc
Cylinder bore x stroke 93.4mm x 85.0mm
(3.6772 in 3.3465 in)
Compression ratio 8.6
Compression pressure at 300rpm 1.37 MPa (14.0 Kg/cm2)
Engine idling speed rpm Non adjustable (750)
Valve clearance Intake: 0.28 mm (0.11 in)
Exhaust: 0.30mm (0.12 in)
Oil capacity 5.3 liters
Ignition timing
Non adjustable (12 BTDC at idle rpm)
Spark plug PK16PR11, RC10PYP4, K16PR-P11
Plug gap 1.0 mm – 1.1 mm (0.0394 in – 0.0433 in)
Page 1918 of 4264
6A-94 ENGINE MECHANICAL (6VE1 3.5L)
Torque Specifications
Ignition coil, Spark plug, Crankshaft angle sensor and Under cover
N
m (kg
m/ lb ft)
RTW460LF000101
Page 1919 of 4264
ENGINE MECHANICAL (6VE1 3.5L) 6A-95
Cylinder head cover, Cylinder head, Camshaft bracket, Common chamber, ECM
N
m (kg
m/ lb ft)
RTW46ALF000601
Page 1920 of 4264
6A-96 ENGINE MECHANICAL (6VE1 3.5L)
Crankshaft main bearing, Flywheel, Crankcase, Oil pan, Timing belt tensioner, Timing pulley, timing belt
cover, Oil pump, Oil gallery, Oil strainer and water pump
N
m (kg
m/ lb ft)
RTW46ALF000701