nissan versa tiida engine fuel system

CONTENTS
FUEL SYSTEM

PRECAUTIONS
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT BELT PRE-TEN- SIONER”
PREPARATION
Special Service Tools
Commercial Service Tools
FUEL SYSTEM
Checking Fuel Lines
General Precautions
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
Components
Removal and Installation
REMOVAL
INSPECTION AFTER REMOVAL
INSTALLATION
INSPECTION AFTER INSTALLATION
FUEL TANK
Components
Removal and Installation
REMOVAL
INSTALLATION
INSPECTION AFTER INSTALLATION
SERVICE DATA AND SPECIFICATIONS (SDS)
Standard and Limit
FUEL TANK

PRECAUTIONS
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT BELT PRE-TENSIONER” 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 SRS 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 per- formed by an authorized NISSAN/INFINITI dealer. Improper maintenance, including incorrect removal and installation of the SRS, can lead to per- sonal 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 harness connectors.

PREPARATION
Special Service Tools The actual shapes of the Kent-Moore tools may differ from those of the special tools illustrated here.
Tool number (Kent-Moore No.) Tool name
Fuel tank lock ring tool
Description
Removing and installing fuel tank lock ring
Commercial Service Tools
Tool name Description
Power Tools Loosening bolts and nuts
FUEL SYSTEM

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FUEL SYSTEM Checking Fuel Lines 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 Precautions 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 CO2 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-5, “Precautions for Fuel
(Unleaded Regular Gasoline Recommended)” .
Before removing fuel line parts, perform the following procedures:
Release fuel pressure from the fuel lines. Refer to EC-81, “FUEL PRESSURE RELEASE” .
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-31, “EVAPORATIVE EMISSION SYSTEM” .
For servicing “On Board Refueling Vapor Recovery (ORVR)” parts, refer to EC-38, “ON BOARD REFUELING VAPOR RECOVERY (ORVR)” .

FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY

Components

1. Lock ring
2. Fuel level sensor unit, fuel filter and fuel pump assembly
3. O-ring
4. Fuel tank

Removal and Installation REMOVAL

WARNING:
Be sure to read “General Precautions” before working on the fuel system. Refer to FL-4, “General Pre- cautions”1. Check fuel level with the vehicle on a level surface. If the fuel gauge indicates more than the level as shown (7/8 full), drain fuel from the fuel tank until the fuel gauge indicates level as shown (7/8 full).

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 12 (3 1/8 US gal, 2 5/8 Imp gal) of fuel is drained from a full fuel tank.
In case fuel pump does not operate, perform the following procedure.
a. Insert fuel tubing of less than 25 mm (0.98 in) in diameter into fuel filler tube through fuel filler opening to drain fuel from fuel filler tube.
b. Disconnect fuel filler hose from fuel filler tube. Refer to FL-9, “FUEL TANK” .
c. Insert fuel tubing into fuel tank through fuel filler hose to drain fuel from fuel tank.
2. Open fuel door and unscrew the fuel filler cap to release the pressure inside the fuel tank.
3. Release the fuel pressure from the fuel lines. Refer to EC-81, “FUEL PRESSURE RELEASE” .
4. Remove rear seat bottom. Refer to SE-14, “REAR SEAT” .
5. Turn the four retainers 90° in a clockwise direction and remove the fuel pump inspection hole cover.

FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY

6. Disconnect electrical connector (A) and fuel feed hose quick connector (B). Fuel feed hose (1) 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 getting 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. Remove the lock ring using Tool as shown. Tool number : KV991J0090 (J-46214)

8. 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.

FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY

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. Front
Turn the lock ring (1) until the lock ring is fully rotated into the fuel tank lock tabs (A) 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
Before installing inspection hole cover, confirm that there are no fuel leaks. Refer to FL-8, “INSPECTION AFTER INSTALLATION” .
1. Install inspection hole cover with the front mark (arrow) facing front of vehicle.
2. Lock clips by turning counterclockwise.

FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY

INSPECTION AFTER INSTALLATION
Use the following procedure to check for fuel leaks.
1. Turn ignition switch “ON” (without starting the engine), to check the connections for fuel leaks with the electric fuel pump applying pressure to the fuel piping.
2. Start the engine and let it idle to check that there are no fuel leaks at the fuel system connections.

FUEL TANK

Components EBS00TSL
1. Lock ring
2. Fuel pump
3. O-ring
4. Fuel tank
5. Fuel tank band (LH)
6. Fuel tank band (RH)
7. EVAP hose

8. Hose clamp
9. Fuel filler hose
10.Hose clamp
11.Fuel filler pipe shield
12.Fuel filler tube
13.Grommet
14.Fuel filler cap

Front of vehicle
Removal and Installation
REMOVAL
WARNING:
Be sure to read “General Precautions” when working on the fuel system. Refer to FL-4, “General Pre- cautions” .
1. Drain fuel from fuel tank if necessary. Refer to FL-5, “REMOVAL” .
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.
2. Open fuel door and unscrew the fuel filler cap to release the pressure inside the fuel tank.
3. Release the fuel pressure from the fuel lines. Refer to EC-81, “FUEL PRESSURE RELEASE” .
4. Remove rear seat bottom. Refer to SE-14, “REAR SEAT” .
5. Turn the three retainers 90° in a clockwise direction and remove the fuel pump inspection hole cover.

FUEL TANK

Disconnect electrical connector (A) and fuel feed hose quick connec- tor (B). Fuel feed hose (1) Vehicle frontDisconnect 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 getting 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.
6. Remove center exhaust tube. Refer to EX-3, “EXHAUST SYSTEM” . 7. Remove exhaust heat shields. 8. Disconnect parking brake cables (1) from the lower surface of fuel tank and axle and position the parking brake cables (1) out of the way.
FUEL TANK 9. Remove brake tube protector (1) from rear axle (2). 10. Loosen fuel filler hose clamp (3) and remove fuel filler hose (1) from fuel tank (2).
CAUTION: Do not remove fuel filler hose (1) from fuel filler tube. Do not allow contact with the suspension during installation. When removing fuel filler hose (1) at the fuel filler tube, mark com- ponents for alignment.
11.Remove vent hose (1) and EVAP hose (2) at rear of fuel tank. Disconnect vent hose and EVAP hose quick connectors using the following procedures. a. Pinch retaining tabs (A) of vent hose quick connector and remove vent hose (1). b. Slide sleeve (B) of EVAP hose quick connector and remove EVAP hose (2). If hoses are stuck, push and pull several times until they move freely, and disconnect.
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 the resin tube away from heat. Be especially careful when welding near the tube. Prevent acid liquid such as battery electrolyte, from getting on the resin tube. Do not bend or twist the tube during installation and removal. Do not insert plug that may cause damage to O-ring in quick connector. To keep the connecting portion clean and to avoid dam- age and foreign materials, cover them completely with plastic bags or something similar.

FUEL TANK

12.Support center of fuel tank (1) with transmission jack (A).
CAUTION:
Securely support the fuel tank with a suitable tool (B).
13.Remove fuel tank bands (RH and LH).
14.Lower transmission jack carefully to remove fuel tank while sup- porting it by hand.
CAUTION:
Fuel tank may be in an unstable position because of the shape of fuel tank bottom. Be sure to support tank securely.

INSTALLATION
Installation is in the reverse order of removal.

EVAP Canister
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.
Pull the tube and the connector to make sure they are securely connected.

Fuel Tank Bands

Install the fuel tank bands in the proper position by referring to the identification stamp mark “R” and “L” on the end
1.While supporting the fuel tank, install bolts 1, 3 and 4 to support the tank, but do not fully tighten.
Front
2.Install bolt 2 while positioning the fuel tank toward the front of the vehicle. Tighten bolt 2 to specified torque.
3.Tighten bolts 1, 3 and 4 to specified torque.

Fuel Filler Hose
Insert fuel filler hose to the length below.
Fuel filler install length : 35mm (1.38 in)
Be sure hose clamp is not placed on swelled area of fuel filler tube.
WBIA0847E

FUEL TANK

EVAP Hose
1.Check connections for damage or foreign material.
2.Align the matching quick connector (A) with the center of EVAP hose (1), and insert quick connector (A) straight until it clicks.
3.After connecting, pull on quick connector (A) and EVAP hose by hand. Make sure connections are secure.

INSPECTION AFTER INSTALLATION
Use the following procedure to check for fuel leaks.
1.Turn ignition switch “ON” (without starting the engine), to check the connections for fuel leaks with the electric fuel pump applying pressure to the fuel piping.
2.Start the engine and let it idle to check that there are no fuel leaks at the fuel system connections.

SERVICE DATA AND SPECIFICATIONS (SDS)

Standard and Limit
FUEL TANK
Unit: (US gal, Imp gal) Fuel tank capacity 50.0 (13 1/4, 11)
Fuel recommendation Refer to MA-11, “RECOMMENDED FLUIDS AND LUBRICANTS”