2007 NISSAN LATIO Service Repair Manual

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Page 1881 of 2896

NISSAN LATIO 2007 Service Repair Manual EM-72Revision: June 2006
CYLINDER HEAD
2007 Versa
VALVE SPRING DIMENSIONS AND VALVE SPRING PRESSURE LOAD
Check valve spring pressure with valve spring seat installed at
the specified spring height.
C

Page 1882 of 2896

NISSAN LATIO 2007 Service Repair Manual ENGINE ASSEMBLY
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Revision: June 20062007 Versa
ENGINE ASSEMBLYPFP:10001
ComponentsEBS00T6Q
Removal and Installation EBS00T6R
WA RN ING:
Situate the vehicle on a flat an

Page 1883 of 2896

NISSAN LATIO 2007 Service Repair Manual EM-74Revision: June 2006
ENGINE ASSEMBLY
2007 Versa
Use either 2-pole lift type or separate type lift as best you can. If board-on type is used for
unavoidable reasons, support at the rear axle jacki

EM-74Revision: June 2006
ENGINE ASSEMBLY
2007 Versa
Use either 2-pole lift type or separate type lift as best you can. If board-on type is used for
unavoidable reasons, support at the rear axle jacking point with a transmission jack or similar tool
before starting work, in preparation for the backward shift of center of gravity.
For supporting points for lifting and jacking point at rear axle, refer to GI-42, "Garage Jack and
Safety Stand and 2-Pole Lift" .
REMOVAL
Remove the engine and the transaxle assembly from the vehicle downward. Separate the engine and the tran-
saxle.
1. Remove engine undercover
2. Drain engine coolant from radiator. Refer to CO-8, "
Changing Engine Coolant" .
CAUTION:
Perform this step when the engine is cold.
Do not spill engine coolant on drive belt.
3. Remove front fender protector (RH and LH); Refer to EI-22, "
FENDER PROTECTOR" .
4. Remove exhaust front tube; Refer to EX-3, "
EXHAUST SYSTEM" .
5. Remove drive shafts (LH and RH) from steering knuckle. Refer to FAX-8, "
FRONT DRIVE SHAFT" .
6. Remove transaxle joint bolts which pierce at oil pan (upper) lower rear side. Refer to AT - 2 5 3 , "
TRAN-
SAXLE ASSEMBLY" (A/T models), CVT-207, "TRANSAXLE ASSEMBLY" (CVT) or MT-15, "TRAN-
SAXLE ASSEMBLY" (M/T models).
7. Remove rear torque rod (1).
NOTE:
A/T model shown CVT and M/T models similar.
8. Remove hood assembly. Refer to BL-14, "
HOOD" .
9. Remove cowl top cover and cowl top extension assembly. Refer to EI-20, "
COWL TOP" .
10. Release fuel pressure. Refer to EC-81, "
FUEL PRESSURE RELEASE" .
11. Remove battery and battery tray; Refer to SC-4, "
BATTERY" .
12. Remove drive belt; Refer to EM-13, "
Components" .
13. Remove air duct and air cleaner case assembly; Refer to EM-16, "
AIR CLEANER AND AIR DUCT" .
14. Remove cooling fan assembly.
15. Remove radiator hose (upper and lower). Refer to CO-11, "
RADIATOR" .
16. Disconnect A/T, CVT fluid cooler hoses. Refer to CO-11, "
RADIATOR"
17. Disconnect all connections of engine harness around the engine mounting insulator (LH), and then tem-
porarily secure the engine harness into the engine side.
CAUTION:
Protect connectors using a resin bag to protect against foreign materials during the operation.
18. Disconnect fuel feed hose at engine side. Refer to EM-33, "
Components" .
19. Disconnect heater hoses, and install plugs them to prevent engine coolant from draining. Refer to CO-20,
"Components" .
20. Disconnect control cable from transaxle. Refer to CVT-191, "
SHIFT CONTROL SYSTEM" (CVT) or AT -
229, "SHIFT CONTROL SYSTEM" (A/T), MT-12, "CONTROL LINKAGE" (MT).
21. Remove ground cable at transaxle side.
22. Remove ground cable between front cover and vehicle.
23. Remove alternator. Refer to SC-24, "
CHARGING SYSTEM" .
LBIA0460E

Page 1884 of 2896

NISSAN LATIO 2007 Service Repair Manual ENGINE ASSEMBLY
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24. Remove A/C compressor with piping connected from the engine. Temporarily secure it on the vehicle side
with a rope to

ENGINE ASSEMBLY
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24. Remove A/C compressor with piping connected from the engine. Temporarily secure it on the vehicle side
with a rope to avoid putting load on it. Refer to MTC-84, "
Removal and Installation of Compressor" .
25. Remove the intake manifold to prevent the hanging chain from interfering. Refer to EM-18, "
Components"
.
26. Install engine slinger to cylinder head front left side (A) and rear
right side (B) and support the engine position with a hoist.
27. Support engine and transaxle assembly with a hoist and secure the engine in appropriate position.
28. Use a manual lift table caddy (A) or equivalently rigid tool such
as a transmission jack. Securely support bottom of the engine
and the transaxle, and simultaneously adjust hoist tension.
CAUTION:
Put a piece of wood or something similar as the supporting
surface, secure a completely stable condition.
29. Remove torque rod (RH) (1), engine insulator (RH) (2) and
engine bracket (RH) (3).
30. Remove engine through bolt-securing nut (C).
31. Remove the engine and the transaxle assembly from the vehicle downward by carefully operating sup-
porting tools.
CAUTION:
During the operation, make sure that no part interferes with the vehicle side.
Before and during this lifting, always check if any harnesses are left connected.
During the removal operation, always be careful to prevent the vehicle from falling off the lift
due to changes in the center of gravity.
If necessary, support the vehicle by setting jack or suitable tool at the rear.
During operation, securely support the engine by placing a piece of wood under the engine oil
pan and transaxle oil pan. Securely support the engine slingers with a hoist.
32. When the engine hoisting is not performed simultaneously, install engine slinger to cylinder head front left
side and rear right side. Refer to EM-73, "
Components" .
33. Remove starter motor. Refer to SC-10, "
STARTING SYSTEM" .
34. Lift with a hoist and position above engine.
35. Separate the engine and the transaxle. Refer to AT - 2 5 3 , "
TRANSAXLE ASSEMBLY" (A/T models), CVT-
207, "TRANSAXLE ASSEMBLY" (CVT models) or MT-15, "TRANSAXLE ASSEMBLY" (M/T models).
: Engine front
Slinger bolts : 25.5 N·m (2.6 kg-m, 19 ft-lb)
LBIA0461E
PBIC3223J
4 : Engine insulator (LH)
A : Engine front side
B : Transaxle side
WBIA0784E

Page 1885 of 2896

NISSAN LATIO 2007 Service Repair Manual EM-76Revision: June 2006
ENGINE ASSEMBLY
2007 Versa
INSTALLATION
Note the following, and install in the reverse order of removal.
Do not allow engine oil to get on engine mounting insulator. Be caref

Page 1886 of 2896

NISSAN LATIO 2007 Service Repair Manual CYLINDER BLOCK
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Revision: June 20062007 Versa
CYLINDER BLOCKPFP:11010
ComponentsEBS00U7W
WBIA0773E

Page 1887 of 2896

NISSAN LATIO 2007 Service Repair Manual EM-78Revision: June 2006
CYLINDER BLOCK
2007 Versa
Disassembly and AssemblyEBS00U7X
DISASSEMBLY
1. Remove engine and transaxle assembly from vehicle, separate transaxle from engine. Refer to EM-73,
"E

EM-78Revision: June 2006
CYLINDER BLOCK
2007 Versa
Disassembly and AssemblyEBS00U7X
DISASSEMBLY
1. Remove engine and transaxle assembly from vehicle, separate transaxle from engine. Refer to EM-73,
"ENGINE ASSEMBLY" .
2. Install engine to engine stand as follows;
a. Remove flywheel (M/T models) or drive plate (1) (A/T or CVT
models).
Secure flywheel (M/T models) or drive plate (A/T or CVT mod-
els) using Tool (A), and remove bolts.
CAUTION:
Be careful not to damage or scratch drive plate (A/T or CVT
models) and contact surface for clutch disc of flywheel (M/T
models).
NOTE:
Figure shows drive plate (A/T or CVT models)
b. Lift the engine with a hoist to install it onto widely use engine stand.
CAUTION:
Use the engine stand that has a load capacity [approximately 135 kg (298 lb) or more] large
enough for supporting the engine weight.
If the load capacity of stand is not adequate, remove the following parts beforehand to reduce the
potential risk of overturning stand.
–Exhaust manifold; Refer to EM-21, "EXHAUST MANIFOLD" .
–Rocker cover; Refer to EM-30, "IGNITION COIL, SPARK PLUG AND ROCKER COVER" .
NOTE:
The figure shows an example of widely used engine stand (A)
that can support mating surface of transaxle with flywheel (M/T
models) or drive plate (A/T or CVT models) removed.
CAUTION:
Before removing the hanging chains, make sure the engine
stand is stable and there is no risk of overturning.
3. Remove oil pan (upper and lower). Refer to EM-24, "
OIL PAN" .
4. Remove cylinder head. Refer to EM-62, "
CYLINDER HEAD" .
5. Remove thermostat housing. Refer to CO-18, "
THERMOSTAT" .
1. Cylinder block 2. O-ring 3. Crankshaft position sensor (POS)
4.Crankshaft position sensor (POS)
cover5.Oil filter (for intake valve timing con-
trol)6. Knock sensor
7. Oil pressure switch 8. Top ring 9. Second ring
10. Oil ring 11. Snap ring 12. Piston
13. Piston pin 14. Connecting rod 15. Thrust bearing
16. Connecting rod bearing upper 17. Main bearing upper 18. Crankshaft key
19. Main bearing lower 20. Connecting rod bearing lower 21. Connecting rod bearing cap
22. Connecting rod bolt 23. Main bearing cap 24. Main bearing cap bolt
25. Crankshaft 26. Pilot converter (A/T or CVT models) 27. Signal plate
28. Rear oil seal 29. Drive plate (A/T or CVT models) 30. Reinforcement plate (A/T or CVT
models)
31. Flywheel (M/T models) 32. Block heater (Canada only) A. Refer to EM-81
Tool number : KV 11105210 (J-44716)
PBIC3226J
PBIC3227J

Page 1888 of 2896

NISSAN LATIO 2007 Service Repair Manual CYLINDER BLOCK
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Revision: June 20062007 Versa
6. Remove knock sensor.
CAUTION:
Carefully handle knock sensor avoiding shocks.
7. Remove crankshaft position sensor (POS)

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