Lexus NX: Ignition Coil And Spark Plug
Components
COMPONENTS
ILLUSTRATION
| *1 | IGNITION COIL ASSEMBLY | *2 | NO. 1 ENGINE COVER SUB-ASSEMBLY |
| *3 | SPARK PLUG | - | - |
.png) | N*m (kgf*cm, ft.*lbf) : Specified torque | - | - |
Removal
REMOVAL
PROCEDURE
1. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY
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2. REMOVE IGNITION COIL ASSEMBLY
| (a) Disconnect the 4 ignition coil assembly connectors. |
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| (b) Remove the 4 bolts and 4 ignition coil assemblies. NOTICE: Replace with a new part if it is dropped or if it receives a strong impact. |
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3. REMOVE SPARK PLUG
| (a) Using a 16 mm spark plug wrench, remove the 4 spark plugs. NOTICE: Replace with a new part if it is dropped or if it receives a strong impact. |
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Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Perform "Inspection After Repairs" after replacing the ignition coil assembly or the spark plug.
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PROCEDURE
1. INSTALL SPARK PLUG
HINT:
Perform "Inspection After Repairs" after replacing the spark plug.
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(a) Using a 16 mm spark plug wrench, install the 4 spark plugs.
Torque:
25 N·m {255 kgf·cm, 18 ft·lbf}
NOTICE:
Replace with a new part if it is dropped or if it receives a strong impact.
2. INSTALL IGNITION COIL ASSEMBLY
HINT:
Perform "Inspection After Repairs" after replacing the ignition coil assembly.
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(a) Install the 4 ignition coil assemblies with the 4 bolts.
Torque:
10 N·m {102 kgf·cm, 7 ft·lbf}
NOTICE:
Replace with a new part if it is dropped or if it receives a strong impact.
(b) Connect the 4 ignition coil assembly connectors.
3. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY
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READ NEXT:
Parts Location
PARTS LOCATION ILLUSTRATION *1 IGNITION COIL ASSEMBLY *2 ECM *3 NO. 1 ENGINE ROOM RELAY BLOCK LH - IGN FUSE *4 SPARK PLUG
System Diagram
SYSTEM DIAGRAM
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A communication malfunction DTC may be stored.
The radio receiver assembly may not
Removal
REMOVAL PROCEDURE 1. PLACE FRONT WHEELS FACING STRAIGHT AHEAD 2. SECURE STEERING WHEEL (a) Secure the steering wheel assembly with the seat belt in order to prevent rotation. HINT: This operation is useful to prevent damage to the spiral cable. 3. REMOVE COLUMN HOLE COVER SILENCER SHE
