NISSAN TIIDA 2007 Service Repair Manual

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ENGINE
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SECTION FL
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CONTENTS
FUEL SYSTEM
PRECAUTION ...............................................2
PRECAUTIONS ...................................................2
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ...................................................................
2
PREPARATION ............................................3
PREPARATION ...................................................3
Special Service Tool .................................................3
ON-VEHICLE MAINTENANCE .....................4
FUEL SYSTEM ....................................................4
Checking Fuel Line ...................................................4
General Precaution ...................................................4
ON-VEHICLE REPAIR ..................................5
FUEL LEVEL SENSOR UNIT, FUEL FILTER
AND FUEL PUMP ASSEMBLY ..........................
5
HR16DE, HR18DE ...................................................5
Exploded View ..........................................................5
Removal and Installation ..........................................5
K9K ...........................................................................8
Exploded View ..........................................................8
Removal and Installation ..........................................8
FUEL TANK ......................................................10
HR16DE, HR18DE ..................................................10
Exploded View .........................................................10
Removal and Installation .........................................10
K9K ..........................................................................13
Exploded View .........................................................13
Removal and Installation .........................................13
SERVICE DATA AND SPECIFICATIONS
(SDS) ............................................................
16
SERVICE DATA AND SPECIFICATIONS
(SDS) .................................................................
16
Standard and Limit ..................................................16

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< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000001722973
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. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SR and SB section of this Service Man-
ual.
WARNING:
• To avoid rendering the SR 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 SRS 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.

PREPARATION
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PREPARATION
PREPARATION
Special Service ToolINFOID:0000000001722974
Tool number
Tool nameDescription
KV993G0010
(MOT. 1397)
Lock ring wrenchRemoving and installing lock ring
ZZA0122D

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< ON-VEHICLE MAINTENANCE >
FUEL SYSTEM
ON-VEHICLE MAINTENANCE
FUEL SYSTEM
Checking Fuel LineINFOID:0000000001722976
Inspect fuel lines, fuel filler cap and fuel tank for improper attach-
ment, leaks, cracks, damage, loose connections, chafing or deterio-
ration.
If necessary, repair or replace damaged parts.
General PrecautionINFOID:0000000001722977
WARNING:
When replacing fuel line parts, be sure to observe the following.
 Put a “CAUTION: FLAMMABLE” sign in the work area.
 Be sure to work in a well ventilated area and have a CO
2 fire extinguisher.
 Do not smoke while working on the fuel system. Keep open flames and sparks away from the work
area.
 Put drained fuel in an explosion-proof container and put the lid on securely. Keep the container in
safe area.
CAUTION:
 Use gasoline required by the regulations for octane number. Refer to GI-45, "
Precaution for Fuel
(Unleaded Regular Gasoline Recommended)".
 Before removing fuel line parts, perform the following procedures:
- Release fuel pressure from the fuel lines if necessary. Refer to EC-379, "
Inspection" (HR16DE with
Euro-OBD), EC-681, "
Inspection" (HR16DE without Euro-OBD), EC-1035, "Inspection" (MR18DE).
- Disconnect the battery ground cable.
 Always replace O-rings and clamps with new ones.
 Do not kink or twist tubes when they are being installed.
 Perform work on level surface.
 Do not tighten hose clamps excessively to avoid damaging hoses.
 After connecting fuel tube quick connectors, make sure quick connectors are secure.
Ensure that connector and resin tube do not contact any adjacent parts.
 After installing tubes, make sure there is no fuel leakage at connections in the following steps.
- Apply fuel pressure to fuel lines by turning ignition switch ON (without starting the engine). Then
check for fuel leaks at the fuel tube connections.
- Start engine and rev it up and check for fuel leaks at connections.
 Use only a genuine NISSAN fuel filler cap as a replacement. If an incorrect fuel filler cap is used, the
MIL may come on.
 For servicing “Evaporative Emission System” parts, refer to EC-379, "
Inspection" (HR16DE with
Euro-OBD), EC-683, "
Inspection" (HR16DE without Euro-OBD), EC-1037, "Inspection" (MR18DE).
SMA803A

FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
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ON-VEHICLE REPAIR
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
HR16DE, HR18DEINFOID:0000000001723038
Exploded ViewINFOID:0000000001723039
Removal and InstallationINFOID:0000000001722979
REMOVAL
WARNING:
Be sure to read “General Precautions” before working on the fuel system. Refer to FL-4, "
General Pre-
caution".
1. Check fuel level with the vehicle on a level surface. If the fuel
gauge indicates more than the level in the figure (full or almost
full), drain fuel from the fuel tank until the fuel gauge indicates
level as shown in the figure or below.
NOTE:
Fuel will be spilled when removing fuel pump assembly if fuel
level is above the fuel pump assembly installation surface.
 As a guide, fuel level is at the level as shown or below when
approximately 15 (3-1/4 Imp gal) of fuel is drained from fuel
tank.
 In case fuel pump does not operate, perform the following pro-
cedure.
a. Insert fuel tubing of less than 20 mm (0.79 in) in diameter into fuel filler tube through fuel filler opening to
drain fuel from fuel filler tube.
1. Lock ring 2. Fuel level sensor unit, fuel filter and fuel pump assembly 3. O-ring
4. Fuel tank⇐Front
JPBIA0300GB
JPBIA0459ZZ

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< ON-VEHICLE REPAIR >
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
b. Disconnect fuel filler hose from fuel filler tube. Refer to FL-10, "HR16DE, HR18DE".
c. Insert fuel tubing into fuel tank through fuel filler hose to drain fuel from fuel tank.
2. Release the fuel pressure from the fuel lines. Refer to EC-377, "
Inspection" (HR16DE with EURO-OBD),
EC-681, "
Inspection" (HR16DE without EURO-OBD), EC-1035, "Inspection" (MR18DE).
3. Open fuel filler lid.
4. Open fuel door and unscrew the fuel filler cap to release the pressure inside the fuel tank.
5. Remove rear seat bottom. Refer to SE-18, "
Removal and Installation".
6. Turn the four retainers 90° in a clockwise direction and remove the fuel pump inspection hole cover.
7. Disconnect electrical connector (A) and fuel feed hose quick
connector (B).
⇐ : Vehicle front
 Disconnect the quick connector using the following procedure.
- Hold the sides of the connector, push in tabs and pull out the
tube.
- If quick connector and tube on fuel pump assembly are stuck,
push and pull several times until they move. Disconnect them
by pulling.
CAUTION:
 The tube can be removed when the tabs are completely
depressed. Do not twist it more than necessary.
 Do not use any tools to remove the quick connector.
 Keep resin tube away from heat. Be especially careful
when welding near the resin tube.
 Prevent acid liquid such as battery electrolyte, from get-
ting on resin tube.
 Do not bend or twist resin tube during installation and removal.
 To keep the connecting portion clean, free of foreign
materials and to avoid damage, cover them completely
with plastic bags or something similar.
 Do not insert plug to prevent damage to O-ring in quick
connector.
JPBIA0457ZZ
SFE562A
PBIC0163E

FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
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8. Remove the lock ring using tool as shown.
9. Remove fuel level sensor unit, fuel filter and fuel pump assembly (1).
CAUTION:
 Do not bend float arm during removal.
 Do not allow foreign materials to fall into fuel tank. Use a lint free cloth when handling compo-
nents.
 Avoid impacts such as dropping when handling components.
INSPECTION AFTER REMOVAL
Make sure that the fuel level sensor unit, fuel filter and fuel pump is free from defects and foreign materials.
INSTALLATION
Installation is in the reverse order of removal.
Fuel Level Sensor Unit, Fuel Filter and Fuel Pump Assembly
1. Install O-ring to fuel tank without twisting.
2. Install fuel level sensor unit with aligning mating marks (A) on
fuel tank and fuel level sensor unit as shown.
Quick Connector
Connect fuel feed tube quick connector using the following procedure.
1. Check the connection for damage or any foreign materials.
2. Align the connector with the tube, then insert the connector straight into the tube until a “click” sound is
heard.
3. After connecting, make sure that the connection is secure using the following procedure.
 Visually confirm that the two retainer tabs are secured to the connector.
 Pull the tube and the connector to make sure they are securely
connected.
4. Connect electrical harness connector.
Inspection Hole Cover
PBIC0240E
: Vehicle front
PBIC4732E
PBIC1653E

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FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
 Before installing inspection hole cover, confirm that there are no fuel leaks. Refer to "INSPECTION AFTER
INSTALLATION".
1. Install inspection hole cover with the front mark (arrow) facing front of vehicle.
2. Lock clips by turning counterclockwise.
K9KINFOID:0000000001723040
Exploded ViewINFOID:0000000001723041
Fuel Filter
Fuel Level Sensor Unit
Removal and InstallationINFOID:0000000001723059
REMOVAL
WARNING:
Be sure to read “General Precautions” before working on the fuel system. Refer to FL-4, "
General Pre-
caution".
E1BIA0030ZZ
1. Fuel filter 2. Fuel filter bracket 3. Fuel filter protector
E1BIA0015GB
1. Lock ring 2. Fuel level sensor unit 3. O-ring
A. To fuel tank

FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
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1. Disconnect battery ground cable.
2. Open fuel filler lid and filler cap to release the pressure inside the fuel tank.
3. Remove rear seat cushion. Refer to SE-18, "
Removal and Installation".
4. Remove the fuel pump inspection hole cover.
5. Disconnect electrical connector.
6. Disconnect the quick connector.
 Hold the sides of the connector, push in tabs and pull out the
tube.
 If quick connector and tube on fuel pump assembly are stuck,
push and pull several times until they move. Disconnect them
by pulling.
CAUTION:
 The tube can be removed when the tabs are completely
depressed. Do not twist it more than necessary.
 Do not use any tools to remove the quick connector.
 Keep resin tube away from heat. Be especially careful
when welding near the resin tube.
 Prevent acid liquid such as battery electrolyte, from get-
ting on resin tube.
 Do not bend or twist resin tube during installation and removal.
 To keep the connecting portion clean, free of foreign
materials and to avoid damage, cover them completely
with plastic bags or something similar.
 Do not insert plug to prevent damage to O-ring in quick
connector.
7. Using lock ring wrench, remove lock ring (2).
8. Remove fuel level sensor unit (1).
CAUTION:
 Do not bend float arm during removal.
 Do not allow foreign materials to fall into fuel tank. Use a
lint free cloth when handling components.
 Avoid impacts such as dropping when handling compo-
nents.
INSPECTION AFTER REMOVAL
Make sure that the fuel level sensor unit, fuel filter and fuel pump is free from defects and foreign materials.
INSTALLATION
Installation is in the reverse order of removal.
SFE562A
PBIC0163E
E1BIA0033ZZ

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FUEL TANK
FUEL TANK
HR16DE, HR18DEINFOID:0000000001723029
Exploded ViewINFOID:0000000001723030
Removal and InstallationINFOID:0000000001723064
REMOVAL
WARNING:
Be sure to read “General Precautions” when working on the fuel system. Refer to FL-4, "
General Pre-
caution".
1. Remove fuel pump. Refer to FL-5, "
Removal and Installation".
2. Drain fuel from fuel tank if necessary. Refer to FL-5, "
Removal and Installation".
CAUTION:
 Because fuel tank becomes unstable when installing/removing, fuel should be drained if the
level exceeds specification FL-5, "
Removal and Installation".
 Situate vehicle on a flat and solid surface.
3. Remove muffler. Refer to EX-5, "
Removal and Installation" (HR16DE) or EX-10, "Removal and Installa-
tion" (MR20DE).EX-10, "Removal and Installation"
4. Remove fuel tank shield.
5. Remove rear seat bottom. Refer to SE-18, "
Removal and Installation".
1. Fuel filler cap 2. Grommet 3. Fuel filler tube
4. Cover 5. Clamp 6. Fuel filler hose
7. Hose clamp 8. Fuel tank band (RH) 9. Fuel tank band (LH)
10. Fuel tank shield 11. Fuel tank 12. Vent hose
JPBIA0298GB