2007 NISSAN TIIDA front

EM-200
< ON-VEHICLE REPAIR >[MR18DE]
CYLINDER HEAD
: Engine front
CAUTION:
Check and confirm the tightening angle by using Tool (A) or
protractor. Never judge by visual inspection without the
tool.
4. Installation of the remaining components is in the reverse order of removal.
ComponentINFOID:0000000001337806
Disassembly and AssemblyINFOID:0000000001337807
DISASSEMBLY
Tool number : KV10112100 (BT-8653-A)
PBIC3208J
1. Valve collet 2. Valve spring retainer 3.Va l v e s p r i n g ( E X H )
(with valve spring seat)
4. Valve oil seal 5. Valve guide (EXH) 6. Valve seat (EXH)
7. Valve (EXH) 8. Valve (INT) 9. Valve seat (INT)
10. Cylinder head 11. Valve guide (INT) 12. Spark plug
13.Valve spring (INT)
(with valve spring seat)
A. Refer to EM-202
B. Refer to EM-202
PBIC3543J

ENGINE ASSEMBLY
EM-207
< REMOVAL AND INSTALLATION >[MR18DE]
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REMOVAL AND INSTALLATION
ENGINE ASSEMBLY
ComponentINFOID:0000000001337809
Removal and InstallationINFOID:0000000001337810
WARNING:
 Situate the vehicle on a flat and solid surface.
 Place chocks at front and back of rear wheels.
 Attach proper slingers and bolts described in PARTS CATALOG if engine slingers are not equipped.
CAUTION:
 Always be careful to work safely, avoid forceful or uninstructed operations.
 Do not start working until exhaust system and coolant are cool enough.
 If items or work required are not covered by the engine section, follow the procedures in the applica-
ble sections.
1. Engine mounting Insulator (RH) 2. Engine mounting shim (RH) (if equipped) 3. Engine mounting bracket (RH)
4. Bracket 5. Rear torque rod 6. Engine through bolt
7. Engine mounting bracket (LH) 8. Engine mounting insulator (LH) 9. Torque rod (RH)
A. Front mark B. Silicone lubricant
WBIA0846E

EM-208
< REMOVAL AND INSTALLATION >[MR18DE]
ENGINE ASSEMBLY
 Always use the support point specified for lifting.
 Use either 2-pole lift type or separate type lift as best you can. If board-on type is used for unavoid-
able 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-48, "
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-35, "
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 EXT-22, "
Removal and Installation".
4. Remove exhaust front tube; Refer to EX-10, "
Component".
5. Remove drive shafts (LH and RH) from steering knuckle. Refer to FA X - 7 , "
Removal and Installation".
6. Remove transaxle joint bolts which pierce at oil pan (upper) lower rear side. Refer to EM-207, "
Compo-
nent".
7. Remove rear torque rod (1).
8. Remove hood assembly. Refer to DLK-214, "
Removal and Installation".
9. Remove cowl top cover and cowl top extension assembly. Refer to EXT-20, "
Removal and Installation".
10. Release fuel pressure. Refer to EC-1035, "
Inspection".
11. Remove battery and battery tray; Refer to PG-6, "
Removal and Installation".
12. Remove drive belt; Refer to EM-142, "
Component".
13. Remove air duct and air cleaner case assembly; Refer to EM-154
.
14. Remove cooling fan assembly.
15. Remove radiator hose (upper and lower). Refer to CO-40, "
Component".
16. 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.
17. Disconnect fuel feed hose at engine side. Refer to EM-162, "
Component".
18. Disconnect heater hoses, and install plugs them to prevent engine coolant from draining. Refer to CO-47,
"Component".
19. Disconnect control cable from transaxle. Refer to TM-674, "
Exploded View".
20. Remove ground cable at transaxle side.
21. Remove ground cable between front cover and vehicle.
22. Remove generator. Refer to CHG-29, "
Removal and Installation".
23. 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 HA-32, "
Removal and Installation of Compressor -
MR18DE".
LBIA0460E

ENGINE ASSEMBLY
EM-209
< REMOVAL AND INSTALLATION >[MR18DE]
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24. Remove the intake manifold to prevent the hanging chain from interfering. Refer to EM-156, "Removal
and Installation".
25. Install engine slinger to cylinder head front left side (A) and rear
right side (B) and support the engine position with a hoist.
26. Support engine and transaxle assembly with a hoist and secure the engine in appropriate position.
27. 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.
28. Remove torque rod (RH) (1), engine insulator (RH) (2) and
engine bracket (RH) (3).
29. Remove engine through bolt-securing nut (C).
30. 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.
31. When the engine hoisting is not performed simultaneously, install engine slinger to cylinder head front left
side and rear right side. Refer to EM-207, "
Component".
32. Remove starter motor. Refer to STR-24, "
Removal and Installation".
33. Lift with a hoist and position above engine.
34. Separate the engine and the transaxle. Refer to EM-207, "
Component" .
INSTALLATION
Note the following, and install in the reverse order of removal.
 Do not allow engine oil to get on engine mounting insulator. Be careful not to damage engine mounting insu-
lator.
: 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

EM-210
< REMOVAL AND INSTALLATION >[MR18DE]
ENGINE ASSEMBLY
 When installation directions are specified, install parts according to the directions. Refer to EM-207, "Com-
ponent".
 Prior to installing the upper torque rod, apply a light coat of silicone
lubricant (A) to the washer facing side of the bushing inner tube as
shown.
NOTE:
 Apply silicone lubricant (A) by dabbing the outward facing tube
surface with a sponge or suitable tool.
 Do not apply excess lubricant.
 Make sure that each mounting insulator is seated properly, and tighten nuts and bolts.
 Tighten engine mounting insulator (RH) bolts in the numerical
order shown.
INSPECTION AFTER INSTALLATION
Inspection for Leaks
The following are procedures for checking fluids leak, lubricates leak and exhaust gases leak.
 Before starting engine, check oil/fluid levels including engine coolant and engine oil. If less than required
quantity, fill to the specified level. Refer to LU-15, "
Inspection", CO-35, "Inspection".
 Use procedure below to check for fuel leakage.
- Turn ignition switch “ON” (with engine stopped). With fuel pressure applied to fuel piping, check for fuel leak-
age at connection points.
- Start engine. With engine speed increased, check again for fuel leakage at connection points.
 Run engine to check for unusual noise and vibration.
 Warm up engine thoroughly to make sure there is no leakage of fuel, exhaust gases, or any oil/fluids includ-
ing engine oil and engine coolant.
 Bleed air from lines and hoses of applicable lines, such as in cooling system.
 After cooling down engine, again check oil/fluid levels including engine oil and engine coolant. Refill to the
specified level, if necessary.
Summary of the inspection items:
* Transmission/transaxle fluid, power steering fluid, brake fluid, etc.: Vehicle front
LBIA0470E
: Vehicle front
WBIA0785E
Item Before starting engine Engine running After engine stopped
Engine coolant Level Leakage Level
Engine oil Level Leakage Level
Other oils and fluid* Level Leakage Level
Fuel Leakage Leakage Leakage
Exhaust gases — Leakage —

EM-214
< DISASSEMBLY AND ASSEMBLY >[MR18DE]
ENGINE UNIT
16. Heat piston to 60° to 70°C (140° to 158°F) using a suitable tool
(A).
17. Push out piston pin using a suitable tool of an outer diameter
approximately 18 mm (0.71 in).
18. Loosen main bearing cap bolts in reverse order as shown, and
remove them.
NOTE:
Before loosening main bearing cap bolts, measure crankshaft
end play. Refer to EM-219, "
Inspection After Disassembly".
19. Remove main bearing caps.
 Tap main bearing caps lightly using a suitable tool for removal.
CAUTION:
Be careful not to damage the mounting surface.
20. Remove crankshaft.
CAUTION:
 Be careful not to damage or deform signal plate (1)
mounted on rear end of crankshaft (A).
 When setting crankshaft on a flat floor surface, use a
block of wood to avoid interference between signal plate
and the floor surface.
 Never remove signal plate unless it is necessary to do so.
21. Pull rear oil seal out from rear end of crankshaft.
22. Remove main bearings and thrust bearings from cylinder block
and main bearing caps.
CAUTION:
Identify installation positions, and store them without mix-
ing them up.
ASSEMBLY
1. Fully air-blow engine coolant and engine oil passages in cylinder block, cylinder bore and crankcase to
remove any foreign material.
CAUTION:
Use a goggles to protect your eye.
PBIC3231J
PBIC0262E
: Engine front
PBIC3235J
PBIC3234J

ENGINE UNIT
EM-215
< DISASSEMBLY AND ASSEMBLY >[MR18DE]
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2. Install water drain plug (1) to cylinder block.
 Apply liquid gasket to the drain plug thread.
Use Genuine Silicone RTV Sealant or equivalent. Refer to
GI-27, "
Recommended Chemical Products and Sealants".
3. Remove dust, dirt, and engine oil on the bearing mating sur-
faces of cylinder block and main bearing cap.
4. Install thrust bearings to the both sides of the No. 3 journal hous-
ing (B) on cylinder block.
 Install thrust bearings with the oil groove (A) facing crankshaft
arm (outside).
5. Install the main bearings paying attention to the direction.
CAUTION:
 Before installing main bearings, apply new engine oil to the bearing surface (inside). Do not
apply new engine oil to the back surface, but thoroughly clean it.
 When installing, align main bearing to the center position of cylinder block and main bearing
cap.
 The difference (A) between main bearing upper (1) and
main bearing lower (3) should be 0.85 mm (0.033 in) or
less when installing.
 Ensure the oil holes on cylinder block and oil holes (A) on
the main bearings (1) are aligned.
6. Install signal plate to crankshaft if removed.
7. Set the signal plate with the flange facing toward the counter weight side (engine front side) to the crank-
shaft rear surface.
8. Apply new engine oil to threads and seat surfaces of bolts.
: Engine front
9.8 N·m (1.0 kg-m, 87 in-lb)
PBIC3228J
: Engine front
PBIC3258J
2 : Cylinder block
4 : Main bearing cap
PBIC3237J
PBIC3236J

EM-216
< DISASSEMBLY AND ASSEMBLY >[MR18DE]
ENGINE UNIT
9. Position crankshaft (2) and signal plate (1) using a dowel pin
(service part), and tighten bolts in numerical order as shown.
NOTE:
Dowel pin of crankshaft and signal plate is provided as a set for
each.
10. Tighten bolts in numerical order as shown.
11. Remove dowel pin. (service parts)
CAUTION:
Be sure to remove dowel pin.
12. Install crankshaft to cylinder block.
 While turning crankshaft by hand, make sure that it turns smoothly.
13. Install main bearing caps referring to the journal No. stamp (A)
and front mark (B) as shown.
NOTE:
Main bearing cap cannot be replaced as a single part, because it
is machined together with cylinder block.
14. Apply new engine oil to threads and seat surfaces of bolts.
15. Tighten main bearing cap bolts in two steps.
NOTE:
Tighten main bearing cap bolts in numerical order as shown:
 After installing bolts, make sure that crankshaft can be rotated smoothly by hand.
 Check crankshaft end play. Refer to EM-219, "
Inspection After Disassembly".
16. Using snap ring pliers, install new snap ring to the groove of the piston rear side.
 Insert it fully into groove to install.
17. Assemble piston to connecting rod.
A : Dowel pin hole
PBIC3238J
: Engine front
PBIC3239J
: Engine front
Step 1 : 34.3 N·m (3.5 kg-m, 25 ft-lb)
Step2 60° clockwise
PBIC3235J
Tool number : KV10112100 (BT-8653-A)
PBIC3240J