Toyota Tundra Service Manual: Ignition Coil And Spark Plug

Components

COMPONENTS

ILLUSTRATION

ILLUSTRATION

Installation

INSTALLATION

CAUTION / NOTICE / HINT

HINT:

Perform "Inspection After Repairs" after replacing the spark plug or ignition coil assembly (See page ).

PROCEDURE

1. INSTALL SPARK PLUG

HINT:

Perform "Inspection After Repairs" after replacing the spark plug (See page ).

(a) Using a 16 mm plug wrench, install the 8 spark plugs.

Torque:

21 N·m {214 kgf·cm, 15 ft·lbf}

2. INSTALL IGNITION COIL ASSEMBLY

HINT:

Perform "Inspection After Repairs" after replacing the ignition coil assembly (See page ).

(a) for Bank 1:

(1) Install the 4 ignition coil assemblies with the 4 bolts.

Torque:

10 N·m {102 kgf·cm, 7 ft·lbf}

(2) Connect the 4 ignition coil connectors.

(3) Attach the 3 wire harness clamps.

(b) for Bank 2:

(1) Install the 4 ignition coil assemblies with the 4 bolts.

Torque:

10 N·m {102 kgf·cm, 7 ft·lbf}

(2) Attach the 2 wire harness clamps and connect the 4 ignition coil connectors.

(3) Connect the water by-pass pipe with the 2 bolts.

Torque:

18 N·m {184 kgf·cm, 13 ft·lbf}

(4) Attach the engine wire harness clamp.

3. INSTALL AIR CLEANER ASSEMBLY

(a) Install the air cleaner assembly with the 2 bolts.

Torque:

5.0 N·m {51 kgf·cm, 44 in·lbf}

(b) Tighten the hose clamp.

Torque:

4.0 N·m {41 kgf·cm, 35 in·lbf}

(c) Connect the ventilation hose and vacuum hose.

(d) Attach the clamp and connect the mass air flow meter connector.

4. INSTALL V-BANK COVER SUB-ASSEMBLY

Removal

REMOVAL

PROCEDURE

1. REMOVE V-BANK COVER SUB-ASSEMBLY

2. REMOVE AIR CLEANER ASSEMBLY

(a) Detach the clamp and disconnect the mass air flow meter connector.

Text in Illustration

*A

for Type A

*B

for Type B

(b) Disconnect the ventilation hose and vacuum hose.

(c) Loosen the hose clamp.

(d) Remove the 2 bolts and air cleaner assembly.

3. REMOVE IGNITION COIL ASSEMBLY

(a) for Bank 1:

(1) Detach the 3 wire harness clamps.

(2) Disconnect the 4 ignition coil connectors.

(3) Remove the 4 bolts and 4 ignition coil assemblies.

(b) for Bank 2:

(1) Detach the 2 wire harness clamps.

(2) Disconnect the 4 ignition coil connectors.

(3) Detach the engine wire harness clamp.

(4) Remove the 2 bolts and disconnect the water by-pass pipe.

(5) Remove the 4 bolts and 4 ignition coil assemblies.

4. REMOVE SPARK PLUG

(a) Using a 16 mm plug wrench, remove the 8 spark plugs.

    1ur-fe Ignition

    Ignition System

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