2007 NISSAN TIIDA front cowl

EM-90
< REMOVAL AND INSTALLATION >[HR16DE]
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".

EM-134
< PRECAUTION >[MR18DE]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000001527643
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. Information necessary to service the system safely is included in the SR and SB section of
this Service Manual.
WARNING:
 To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
 Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
 Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
Precaution for Procedure without Cowl Top CoverINFOID:0000000001337763
When performing the procedure after removing cowl top cover, cover
the lower end of windshield.
Precaution Necessary for Steering Wheel Rotation After Battery Disconnect
INFOID:0000000001337764
NOTE:
 This Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYS-
TEM).
 Remove and install all control units after disconnecting both battery cables with the ignition knob in the
″LOCK″ position.
 Always use CONSULT-II to perform self-diagnosis as a part of each function inspection after finishing work.
If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NATS, an electrically controlled steering lock mech-
anism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the ″ACC″ position. At this time, the
steering lock will be released.
PIIB3706J

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

PRECAUTIONS
EM-251
< PRECAUTION >[K9K]
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000001516580
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. Information necessary to service the system safely is included in the SR and SB section of
this Service Manual.
WARNING:
 To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
 Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
 Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
Precaution for Procedure without Cowl Top CoverINFOID:0000000001527630
When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc.
Precaution Necessary for Steering Wheel Rotation After Battery Disconnect
INFOID:0000000001527631
NOTE:
 This Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYS-
TEM).
 Remove and install all control units after disconnecting both battery cables with the ignition knob in the
″LOCK″ position.
 Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NATS, an electrically controlled steering lock mech-
anism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the ″ACC″ position. At this time, the
steering lock will be released.
PIIB3706J

EM-272
< ON-VEHICLE REPAIR >[K9K]
EGR SYSTEM
EGR SYSTEM
Exploded ViewINFOID:0000000001381474
Removal and InstallationINFOID:0000000001381475
REMOVAL
1. Remove battery ground cable.
2. Remove engine undercover using power tool.
3. Drain engine coolant. Refer to CO-58, "
Draining".
4. Remove lower radiator hose. Refer to CO-62, "
Exploded View".
5. Remove cowl top cover and cowl top extension assembly. Refer to EXT-20, "
Removal and Installation".
6. Remove air cleaner and air duct assembly. Refer to EM-269, "
Removal and Installation".
7. Remove charge air cooler inlet tubes at EGR assembly. Refer to EM-270, "
Exploded View".
8. Disconnect EGR volume control valve and electronic throttle control actuator connectors.
9. Disconnect heater hoses from EGR cooler cover.
10. Remove EGR cooler cover.
11. Remove front engine slinger.
12. Remove air inlet tube.
13. Remove RH fender protector. Refer to EXT-22, "
Removal and Installation".
1. Air inlet tube 2. Engine slinger 3. O-ring
4. Bracket 5. EGR tube 6. Gasket
7. EGR cooler 8. Gasket 9. EGR volume control valve
10. Gasket 11. EGR volume control valve housing 12. Clamp
13. EGR tube 14. Gasket 15. Gasket
16. Electronic throttle control actuator 17. O-ring 18. EGR cooler cover
A. To intake manifold B. To exhaust manifold
E1BIA0025GB

EM-274
< ON-VEHICLE REPAIR >[K9K]
CATALYST
C ATA LY S T
Exploded ViewINFOID:0000000001381476
Removal and InstallationINFOID:0000000001381477
REMOVAL
1. Remove battery ground cable.
2. Remove engine undercover using power tool.
3. Remove cowl top cover and cowl top extension assembly. Refer to EXT-20, "
Removal and Installation".
4. Remove engine cover.
5. Remove front driveshaft assembly. Refer to FAX-11, "
Removal and Installation (Right Side)".
6. Remove driveshaft center bearing bracket. Refer to FA X - 11 , "
Removal and Installation (Right Side)".
7. Remove exhaust front tube. Refer to EX-14, "
Component".
8. Remove catalyst bolts and brackets.
9. Remove catalyst.
INSTALLATION
Installation is in the reverse order of removal.
InspectionINFOID:0000000001381478
INSPECTION AFTER INSTALLATION
Start engine and raise engine speed to check for exhaust emission leaks.
1. Catalyst 2. Bracket 3. Turbocharger
4. Exhaust manifold 5. EGR unit 6. Gasket
A. To transaxle B. To exhaust front tube⇐Engine front
AWBIA0120GB

ENGINE ASSEMBLY
EM-303
< REMOVAL AND INSTALLATION >[K9K]
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Remove engine and transaxle assembly from vehicle down ward. Separate engine and transaxle.
Preparation
Remove the following parts.
 Battery ground cable.
 Engine undercover.
 LH and RH front wheels. Refer to WT-6, "
Rotation".
 LH and RH fender protectors. Refer to EXT-22, "
Removal and Installation".
Engine Room
1. Drain engine coolant. Refer to CO-58, "Draining".
CAUTION:
Perform when engine is cold.
2. Remove lower radiator hose. Refer to CO-62, "
Exploded View".
3. Drain transaxle fluid. Refer to TM-672, "
Draining".
4. Disconnect clutch tube at clutch housing and drain clutch fluid.
NOTE:
Cover clutch tube ends to prevent contamination.
5. Remove hood. Refer to DLK-214, "
Removal and Installation".
6. Remove cowl top cover and cowl top extension assembly. Refer to EXT-20, "
Removal and Installation".
7. Remove battery and battery trap. Refer to PG-6, "
Removal and Installation".
8. Disconnect engine room harness from the engine side and position aside.
9. Remove the air duct (inlet). Refer to EM-269, "
Exploded View".
10. Remove engine cover.
11. Remove blow-by hose.
12. Remove air cleaner case and air duct (suction). Refer to EM-269, "
Removal and Installation".
13. Remove reservoir tank and hoses. Refer to CO-62, "
Exploded View".
14. Remove charge air cooler hoses and tubes. Refer to EM-270, "
Exploded View".
15. Remove vacuum hose. Refer to EM-280, "
Removal and Installation".
16. Disconnect fuel feed and return hoses, and plug it to prevent fuel from draining.
17. Remove radiator upper hose. Refer to CO-62, "
Exploded View".
18. Disconnect heater hoses.
19. Disconnect transaxle side harness.
20. Disconnect breather hose transaxle side.
21. Disconnect shift cable and select cable. Refer to TM-674, "
Exploded View".
22. Remove cooling fan. Refer to CO-64, "
Removal and Installation".
23. Remove radiator. Refer to CO-62, "
Exploded View".
24. Disconnect all the body-side vacuum hoses and air hoses at engine side.
Vehicle Underbody
1. Remove drive shaft assembly RH and LH. Refer to Removal and Installation.
2. Remove exhaust front tube. Refer to EX-14, "
Component".
3. Remove drive belt. Refer to EM-263, "
Removal and Installation".
4. Remove A/C compressor and position aside.
NOTE:
Secure it to body with a rope to avoid putting load on A/C lines.
5. Remove lower torque rod. Refer to EM-302, "
Exploded View".
Removal

EXT-1
BODY EXTERIOR, DOORS, ROOF & VEHICLE SECURITY
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SECTION EXT
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CONTENTS
EXTERIOR
PRECAUTION ...............................................2
PRECAUTIONS ...................................................2
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ...................................................................
2
Precaution .................................................................2
PREPARATION ............................................3
PREPARATION ...................................................3
Special Service Tool .................................................3
Commercial Service Tool ..........................................3
ON-VEHICLE MAINTENANCE .....................4
SQUEAK AND RATTLE TROUBLE DIAGNO-
SIS .......................................................................
4
Work Flow .................................................................4
Generic Squeak and Rattle Troubleshooting ............6
Diagnostic Worksheet ...............................................8
ON-VEHICLE REPAIR .................................10
CLIP AND FASTENER .......................................10
Description ..............................................................10
FRONT BUMPER ...............................................13
Removal and Installation .........................................13
REAR BUMPER ................................................15
Component ..............................................................15
Removal and Installation - Hatchback .....................15
Removal and Installation - Sedan ............................17
FRONT GRILLE ................................................19
Removal and Installation .........................................19
COWL TOP .......................................................20
Removal and Installation .........................................20
FENDER PROTECTOR ....................................22
Component ..............................................................22
Removal and Installation .........................................22
ROOF SIDE MOLDING .....................................23
Component ..............................................................23
Removal and Installation .........................................23
DOOR OUTSIDE MOLDING .............................25
Component ..............................................................25
Removal and Installation .........................................26
CENTER MUD GUARD .....................................28
Removal and Installation .........................................28
TRUNK LID FINISHER ......................................29
Removal and Installation .........................................29
REAR AIR SPOILER .........................................30
Removal and Installation .........................................30