Fuel System: Precaution
2AR-FE FUEL: FUEL SYSTEM: PRECAUTION
1. BEFORE WORKING ON FUEL SYSTEM
(a) When disconnecting a fuel line, fuel will splash. So observe the following precautions:
(1) Do not smoke or work near fire when handling the fuel system.
(2) Keep gasoline away from rubber or leather parts.
(3) Perform the Discharge Fuel System Pressure procedure below before disconnecting a fuel line to prevent gasoline from spilling out.
2. DISCHARGE FUEL SYSTEM PRESSURE
CAUTION:
* Perform the following procedure to prevent fuel from spilling out before removing any fuel system parts.
* Pressure will still remain in the fuel lines even after performing the following procedure. When disconnecting a fuel line, cover it with a shop rag or a piece of cloth to prevent fuel from spraying or coming out.
(a) Remove the rear seat cushion assembly Removal.
(b) Remove the rear seat cushion lock hook Removal.
(c) Remove the rear floor service hole cover.
(d) Disconnect the fuel pump connector.
(e) Start the engine.
(f) After the engine has stopped on its own, turn the engine switch off.
(g) Crank the engine again and make sure that the engine does not start.
HINT
DTC P0171 (fuel problem) may be stored.
(h) Disconnect the cable from the negative (-) battery terminal.
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected Repair Instruction - Initialization.
(i) Loosen the fuel tank cap, then discharge the pressure in the fuel tank completely.
(j) Connect the fuel pump connector.
(k) Install the rear floor service hole cover with new butyl tape.
(l) Install a new rear seat cushion lock hook Installation.
(m) Install the rear seat cushion assembly Installation.
3. FUEL LINE
(a) When disconnecting a high pressure fuel line, a large amount of gasoline will spill out, so perform the following procedure:
(1) Discharge fuel system pressure (Step 2).
(2) Disconnect the fuel pump tube.
(3) Drain the fuel that remains in the fuel pump tube.
(4) Cover the disconnected fuel pump tube with a plastic bag to prevent damage and contamination.
(5) Put a container under the connectors.
(b) Perform the following procedure when disconnecting the fuel tube.
Text in Illustration
NOTICE:
Do not forcibly bend, kink or twist the fuel tube.
(1) Remove the fuel tube from the fuel hose clamp.
(2) Remove the No. 2 fuel pipe clamp.
(3) Wipe off any dirt on the fuel tube connector.
(4) Hold the fuel tube connector, and then install SST.
SST : 09268-21011
(5) Turn SST to align the retainer inside the fuel tube connector with the chamfered part of SST.
(6) Insert SST into the fuel tube connector and hold it. Then push the fuel tube connector toward SST.
(7) Mount the retainer of the fuel tube connector onto the chamfered part of SST.
(8) Slide SST and the fuel tube connector together toward the fuel tube until they make a "click" sound, and then disconnect the fuel tube.
Text in Illustration
(9) Drain the fuel remaining inside the fuel tube.
(10) Cover the fuel tube and fuel pipe with plastic bags to protect the disconnected part.
(c) Perform the following procedure when connecting the fuel tube.
Text in Illustration
(1) Check if there is any damage or foreign objects on the connecting part of the fuel pipe.
(2) Match the axis of the fuel tube connector with the axis of the fuel pipe, and push it into the fuel tube connector until the fuel tube connector makes a "click" sound. If the connection is tight, apply a small amount of clean engine oil to the tip of the fuel pipe.
(3) After finishing the connection, check if the fuel pipe and the fuel tube connector are securely connected by pulling on them.
Text in Illustration
(4) Inspect for fuel leaks.
(5) Install a new No. 2 fuel pipe clamp.
(6) Install the fuel tube to the fuel hose clamp.
(d) Perform the following procedure when disconnecting the fuel tube connector (quick type A):
(1) Remove the fuel pipe clamp.
(2) Check whether there is any dirt on the fuel pipe around the fuel tube connector before disconnecting it and remove the dirt as necessary.
(3) Pinch the retainer of the fuel tube connector, and then pull the fuel tube connector off of the fuel pipe.
Text in Illustration
NOTICE:
Be sure to disconnect the fuel tube connector by hand.
(4) If the fuel tube connector and the fuel pipe are stuck, push in and pull on the fuel tube connector to release it. Pull the fuel tube connector out of the fuel pipe carefully.
NOTICE:
Be sure to disconnect the fuel tube connector by hand.
(5) Check that there is no dirt or other foreign matter on the sealing surfaces of the disconnected fuel pipes. Clean the surfaces if necessary.
(6) Cover the disconnected fuel pipe and fuel tube connector with a plastic bag to prevent damage and contamination.
(e) Perform the following procedure when connecting a fuel tube connector (quick type A):
(1) Check if there is any damage or foreign objects on the connecting parts of the fuel pipes.
(2) Line up the 2 parts of the fuel pipes to be connected, and push them together until the fuel tube connector makes a "click" sound. If the fuel pipe is difficult to push into the fuel tube connector, apply a small amount of clean engine oil to the tip of the fuel pipe and reinsert it.
(3) After connecting the fuel pipes, check that the fuel pipe and fuel tube connector are securely connected by pulling on them.
(4) Inspect for fuel leaks Fuel System.
(5) Install the No. 1 fuel pipe clamp.
(f) Perform the following procedure when disconnecting a fuel tube connector (quick type B):
Text in Illustration
(1) Before disconnecting the fuel tube connector, clean off any dirt that may be present.
(2) Pinch the tabs of the fuel tube retainer to disengage the 2 claws. Push the retainer down as shown in the illustration.
NOTICE:
Be sure to disconnect the fuel tube connector by hand.
(3) If the fuel tube connector and fuel pipe are stuck, push and pull on the fuel tube connector while holding the fuel pipe by hand. Pull the 2 fuel pipes apart to separate the fuel tube connector.
NOTICE:
Be sure to disconnect the fuel tube connector by hand.
(4) Check if there is any dirt or other foreign objects on the sealing surfaces of the disconnected fuel pipes. Clean the sealing surfaces if necessary.
(5) Cover the disconnected fuel pipe and fuel tube connector with a plastic bag to prevent damage and contamination.
(g) Perform the following procedure when connecting the fuel tube connector (quick type B):
(1) Line up the 2 parts of the fuel pipes to be connected, and fully push the fuel tube connector and fuel pipe together until they are fully seated. Next, push the retainer into the fuel tube connector until its claws lock. If the fuel pipe is difficult to push into the fuel tube connector, apply a small amount of clean engine oil to the tip of the fuel pipe and reinsert it.
(2) After connecting the fuel pipes, check that the fuel pipe and fuel tube connector are securely connected by pulling on them.
(3) Inspect for fuel leaks Fuel System.
(h) Observe the following precautions when handling a nylon tube:
NOTICE:
* Do not twist the fuel tube connector part of the nylon tube or the fuel tube connector when connecting them.
* Do not remove the EPDM protector on the outside of the nylon tube.
* Do not pinch or kink the nylon tubes to prevent fuel leakage.
4. INJECTOR
(a) Install the injector to the delivery pipe and cylinder head as shown in the illustration.
Text in Illustration
NOTICE:
Before installing the injector, be sure to apply a light coat of gasoline or spindle oil where the delivery pipe contacts the injector O-ring.
(b) Observe the following precautions when removing and installing the fuel injectors:
Text in Illustration
(1) Never reuse an O-ring.
(2) When placing a new O-ring on the injector, do not damage the O-ring.
(3) Coat a new O-ring with spindle oil or gasoline before installing it.
NOTICE:
Do not use engine oil, gear oil or brake fluid.
5. FUEL SUCTION TUBE WITH PUMP AND GAUGE ASSEMBLY
(a) Do not disconnect the tube shown in the illustration when disassembling the fuel suction tube with pump and gauge assembly. Doing so will cause reassembly of the fuel suction tube with pump and gauge assembly to be impossible as the tube is welded to the plate.
Text in Illustration
6. INSPECT FOR FUEL LEAK
(a) Check that there are no fuel leaks from the fuel system after doing any maintenance or repairs Fuel System.