Lexus NX: Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Perform "Inspection After Repair" after replacing the fuel injector assembly.
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PROCEDURE
1. INSTALL FUEL INJECTOR ASSEMBLY
HINT:
Perform "Inspection After Repair" after replacing the fuel injector assembly.
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(a) Apply a light coat of gasoline or spindle oil to a new O-ring, then install it to the fuel injector assembly.
(b) Apply a small amount of gasoline or spindle oil to the fuel injector assembly installation hole of the fuel delivery pipe.
| (c) Insert the fuel delivery pipe while rotating the fuel injector assembly left and right. NOTICE:
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2. INSTALL INJECTOR VIBRATION INSULATOR
(a) Install 4 new injector vibration insulators to the cylinder head.
3. INSTALL FUEL DELIVERY PIPE
| (a) Install the 2 fuel delivery pipe spacers onto the cylinder head as shown in the illustration. NOTICE: Install the parts in the correct direction. |
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(b) Install the fuel delivery pipe together with the fuel injector assembly to the cylinder head.
NOTICE:
Do not drop the fuel injector assembly when installing the fuel delivery pipe.
(c) Temporarily install the fuel delivery pipe with the 2 bolts.
(d) Turn the fuel injector assembly by hand and make sure that it is securely installed.
HINT:
If the fuel injector assembly does not rotate smoothly, replace the O-ring with a new one and perform the installation again.
(e) Tighten the 2 bolts to install the fuel delivery pipe.
Torque:
21 N·m {214 kgf·cm, 15 ft·lbf}
(f) Connect the 4 fuel injector assembly connectors.
4. CONNECT FUEL TUBE SUB-ASSEMBLY
(a) Connect the fuel tube sub-assembly to the fuel pipe.
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(b) Install the No. 1 fuel pipe clamp to the fuel tube sub-assembly.
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5. CONNECT INTAKE MANIFOLD
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READ NEXT:
Fuel Pressure Regulator
ComponentsCOMPONENTS ILLUSTRATION *1 FUEL PRESSURE REGULATOR ASSEMBLY *2 FUEL PUMP ASSEMBLY WITH FILTER *3 NO. 1 FUEL SUB-TANK *4 NO. 1 FUEL SUCTION SUPPORT *5 FUEL SUCTION
Components
COMPONENTS ILLUSTRATION *1 FUEL SUCTION TUBE ASSEMBLY *2 FUEL TANK MAIN TUBE SUB-ASSEMBLY *3 FUEL TANK VENT TUBE SET PLATE *4 TUBE JOINT CLIP *5 FUEL HOSE *6 GASKET
SEE MORE:
Generator High-voltage Circuit
DESCRIPTION The cause of this malfunction may be the generator high-voltage circuit. Check the generator internal resistance and the connection condition of the high-voltage line between the inverter and generator to check whether there is an open or short circuit. Related Parts Check Area Insp
Terminals Of Ecu
TERMINALS OF ECU NOTICE:
DTCs may be output when connectors are disconnected during inspection. Therefore, be sure to clear the DTCs using the Techstream once the inspection has been completed.
Do not apply larger loads than necessary since the connector may be damaged.
CHECK FORWARD RECOGN
