NISSAN TIIDA 2007 Service Repair Manual

EM-84
< ON-VEHICLE REPAIR >[HR16DE]
CYLINDER HEAD
6. Remove valve oil seal with the valve oil seal puller [SST:
KV10107902] (A).
7. Remove valve spring seat.
8. Remove valve seat, if valve seat must be replaced.
 Bore out old seat until it collapses. Boring should not continue beyond the bottom face of the seat
recess in cylinder head. Set the machine depth stop to ensure this.
CAUTION:
Never bore excessively to prevent cylinder head from scratching.
9. Remove valve guide, if valve guide must be replaced.
a. To remove valve guide, heat cylinder head to 110 to 130°C (230
to 266°F) by soaking in heated oil (A).
b. Drive out valve guide with a press [under a 20 kN (2 ton, 2.2 US
ton, 2.0 lmp ton) pressure] or a hammer and the valve guide drift
(commercial service tool).
WARNING:
Cylinder head contains heat. Wear protective equipment to
avoid getting burned.
INSPECTION AFTER DISASSEMBLY
Valve Dimensions
 Check the dimensions of each valve. For the dimensions, refer to EM-125, "Cylinder Head".
 If dimensions are out of the standard, replace valve and check valve seat contact. Check “VALVE SEAT
CONTACT”.
Valve Guide Clearance
Valve Stem Diameter
PBIC3728E
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CYLINDER HEAD
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 Measure the diameter of valve stem with micrometer (A).
Valve Guide Inner Diameter Measure the inner diameter of valve guide with bore gauge.
Valve Guide Clearance (Valve guide clearance) = (Valve guide inner diameter) – (Valve
stem diameter)
 If the calculated value exceeds the limit, replace valve and/or valve guide. When valve guide must be
replaced, use “VALVE GUIDE REPLACEMENT”.
Valve Seat Contact
 After confirming that the dimensions of valve guides and valves are
within the specifications, perform this procedure.
 Apply prussian blue (or white lead) onto contacting surface of valve
seat to check the condition of the valve contact on the surface.
 Check if the contact area band is continuous all around the circum-
ference.
 If not, grind to adjust valve fitting and check again. If the contacting
surface still has “NG” conditions even after the re-check, replace
valve seat. Refer to EM-82, "
Disassembly and Assembly".
Valve Spring Squareness
 Set a try square (A) along the side of valve spring and rotate
spring. Measure the maximum clearance between the top of spring
and try square.
 If it exceeds the limit, replace valve spring.
Valve Spring Dimensions and Valve Spring Pressure Load
 Check the valve spring pressure at specified spring height.
 If the installation load or load with valve open is out of the stan-
dard, replace valve spring.
ASSEMBLY
1. When valve guide is removed, install it.
CAUTION:
Replace with oversize [0.2 mm (0.008 in)] valve guide.Standard : Refer to EM-125, "
Cylinder Head".
Standard : Refer to EM-125, "
Cylinder Head".
Standard and Limit : Refer to EM-125, "
Cylinder Head".
PBIC3213J
A: OK
B: NGJPBIA0187ZZ
B: Contact
Limit : Refer to EM-125, "Cylinder Head".
PBIC3219J
Standard : Refer to EM-125, "Cylinder Head".
SEM113

EM-86
< ON-VEHICLE REPAIR >[HR16DE]
CYLINDER HEAD
a. Using the valve guide reamer (commercial service tool) (A),
ream cylinder head valve guide hole.
b. Heat cylinder head to 110 to 130°C (230 to 266°F) by soaking in
heated oil (A).
c. Using the valve guide drift (commercial service tool), press valve
guide (1) from camshaft side to the dimensions as shown.
WARNING:
Cylinder head (2) contains heat. Wear protective equipment
to avoid getting burned.
d. Using the valve guide reamer (commercial service tool) (A),
apply reamer finish to valve guide.
2. When valve seat is removed, install it.
CAUTION:
Replace with oversize [0.5 mm (0.020 in)] valve seat.For service parts: Oversized [0.2 mm (0.008 in)]
Refer to EM-125, "
Cylinder Head".
PBIC3215J
PBIC3214J
Projection “H”: Refer to EM-125, "Cylinder Head".
PBIC3217J
Standard: Refer to EM-125, "Cylinder Head".
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CYLINDER HEAD
EM-87
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a. Ream cylinder head recess diameter (a) for service valve seat.
 Be sure to ream in circles concentric to valve guide center.
This will enable valve to fit correctly.
b. Heat cylinder head to 110 to 130°C (230 to 266°F) by soaking in
heated oil (A).
c. Provide valve seats cooled well with dry ice. Force fit valve seat into cylinder head.
WARNING:
Cylinder head contains heat. Wear protective equipment to avoid getting burned.
CAUTION:
Avoid directly touching cold valve seats.
d. Using the valve seat cutter set (commercial service tool) or valve
seat grinder, finish seat to the specified dimensions. Refer to
EM-125, "
Cylinder Head".
CAUTION:
When using the valve seat cutter, firmly grip cutter handle
with both hands. Then, press on the contacting surface all
around the circumference to cut in a single drive. Improper
pressure on with cutter or cutting many different times may
result in stage valve seat.
e. Using compound, grind to adjust valve fitting.
f. Check again for normal contact. Refer to EM-82, "
Disassembly and Assembly".
3. Install valve oil seal.
 Install with the valve oil seal drift [SST: KV10115600] (A) to
match dimension as shown.
4. Install valve spring seat.
5. Install valve.
 Install larger diameter to intake side.For service parts: Oversize [0.5 mm (0.020 in)]
Refer to EM-125, "
Cylinder Head".
JPBIA0188ZZ
PBIC3214J
SEM934C
Height “H” : 13.2 - 13.8 mm (0.520 - 0.543 in)
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EM-88
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CYLINDER HEAD
6. Install valve spring.
NOTE:
It can be installed in either direction.
7. Install valve spring retainer.
8. Install valve collet.
 Compress valve spring with the valve spring compressor, the
attachment and the adapter [SST: KV10116200] (A). Install
valve collet with a magnet hand (B).
CAUTION:
Be careful not to damage valve lifter holes.
 Tap valve stem edge lightly with a plastic hammer after instal-
lation to check its installed condition.
9. Install valve lifter.
10. Install spark plug with a suitable tool.
PBIC3727E

ENGINE ASSEMBLY
EM-89
< REMOVAL AND INSTALLATION >[HR16DE]
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REMOVAL AND INSTALLATION
ENGINE ASSEMBLY
Exploded ViewINFOID:0000000001381424
Removal and InstallationINFOID:0000000001381425
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.
 Never start working until exhaust system and coolant are cool enough.
1. Engine mounting insulator (LH) 2. Engine mounting bracket (LH) 3. Mass damper
4. Dynamic damper 5. Engine mounting insulator (RH) 6. Engine mounting stay
7. Engine mounting bracket (RH) 8. Rear engine mounting bracket 9. Rear torque rod
10. Washer 11. Engine mounting bracket (LH)
A. Front mark B. M/T models
PBIC3736E

EM-90
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ENGINE ASSEMBLY
 If items or work required are not covered by the engine section, follow the procedures in the applica-
ble sections.
 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
Outline
Remove the engine and the transaxle assembly from the vehicle downward. Separate the engine and the tran-
saxle.
Preparation
1. Remove the hood assembly. Refer to DLK-214, "Removal and Installation".
2. Remove the cowl top cover and cowl top extension assembly. Refer to EXT-20, "
Removal and Installa-
tion".
3. Release fuel pressure. Refer to EC-377, "
Inspection" (EURO-OBD), EC-681, "Inspection" (WITHOUT
EURO-OBD).
4. Drain engine coolant from radiator. Refer to CO-11, "
Changing Engine Coolant".
CAUTION:
 Perform this step when the engine is cold.
 Never spill engine coolant on drive belt.
5. Drain the transmission fluid. Refer to TM-628, "
Draining" (M/T models), TM-171, "Changing A/T Fluid" (A/
T models).
6. Remove the following parts.
 Engine undercover
 Front road wheels and tires: Refer to WT-6, "
Rotation".
 Front fender protector (RH and LH): Refer to EXT-22, "
Removal and Installation".
 Battery and battery tray: Refer to PG-6, "
Removal and Installation".
 Drive belt: Refer to EM-16, "
Removal and Installation".
 Air duct and air cleaner case assembly: Refer to EM-27, "
Exploded View".
 Radiator hose (upper and lower): Refer to CO-16, "
Component".
 Disconnect cooling fan controller wiring harness.
 Remove coolant reservoir tank.
 Remove fan shroud and cooling fan assembly. Refer to CO-16, "
Component".
Engine Room LH
1. 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 against foreign materials.
2. Remove ground cable at transaxle side.
3. Disconnect fuel feed hose at engine side. Refer to EM-35, "
Exploded View".
4. Disconnect EVAP purge hose and brake booster vacuum hose.
5. Disconnect heater hoses, and install plugs them to prevent engine coolant from draining. Refer to CO-24,
"Exploded View".
6. Disconnect control linkage from transaxle. Refer to TM-189, "
Exploded View" (A/T), TM-630, "Exploded
View" (M/T).
7. Disconnect the clutch tube at transmission side. Refer to CL-12, "
Removal and Installation".
Engine Room RH
1. Remove ground cable between front cover and vehicle.
2. Remove generator and generator bracket; Refer to CHG-15, "
Removal and Installation".
3. 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. (with A/C models) Refer to HA-34, "
Removal and Installation of
Compressor - HR16DE".

ENGINE ASSEMBLY
EM-91
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1. Remove front wheel sensor (LH and RH) for ABS from steering knuckle. Refer to BRC-83, "Removal and
Installation".
2. Remove brake caliper assembly with piping connected from steering knuckle. Temporarily secure it on the
vehicle side with a rope to avoid load on it. Refer to BR-24, "
Component".
3. Remove drive shafts (LH and RH) from steering knuckle. Refer to FAX-7, "
Removal and Installation".
4. Remove exhaust front tube. Refer to EX-5, "
Component".
5. Remove rear torque rod.
NOTE:
A/T models shown.
6. Remove A/T cooler hoses from transmission (A/T models).
7. Preparation for the separation work of transaxle is as follows:
 Remove transaxle joint bolts which pierce at oil pan (upper) lower rear side. Refer to EM-89, "
Exploded
View".
Removal
1. Install engine slinger to cylinder head front left side (A) and rear
right side (B) and support the engine with a hoist.
2. Lift with a hoist and secure the engine in appropriate position.
3. Use a suitable tool to securely support bottom of the engine and
the transaxle assembly and simultaneously adjust hoist tension.
CAUTION:
Put a piece of wood or something similar as the supporting
surface, secure a completely stable condition.
PBIC3737E
PBIC3738E
PBIC3223J

EM-92
< REMOVAL AND INSTALLATION >[HR16DE]
ENGINE ASSEMBLY
4. Remove engine mounting insulator (RH) (1), engine mounting
bracket (RH) (2) and engine mounting stay (3).
5. Remove engine mounting through bolt-securing nut (A).
6. Carefully lower jack, or raise lift to remove the engine and the transaxle assembly.
CAUTION:
 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, 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.
Separation
1. Remove starter motor. Refer to STR-13, "Removal and Installation".
2. Lift with a hoist and separate the engine from the transaxle assembly. Refer to EM-89, "
Exploded View".
INSTALLATION
Installation is 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.
 Make sure that each mounting insulator is seated properly, and tighten mounting nuts and bolts.
 Tighten engine mounting insulator (RH) bolts in the numerical
order shown.
InspectionINFOID:0000000001381426
INSPECTION AFTER INSTALLATION
Inspection for Leaks
 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 MA-19, "
Fluids and Lubricants".
 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.
4 : Engine mounting insulator (LH)
JPBIA0512ZZ
: Vehicle front
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ENGINE ASSEMBLY
EM-93
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Summary of the inspection items:
*: Transmission/transaxle/CVT fluid, power steering fluid, brake fluid, etc.Items 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 —