Lexus NX: Ignition Coil And Spark Plug

Components

COMPONENTS

ILLUSTRATION

*1	IGNITION COIL ASSEMBLY	*2	NO. 1 ENGINE COVER SUB-ASSEMBLY
*3	SPARK PLUG	-	-
	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.

(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.

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.

*a 16 mm Spark Plug Wrench

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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