Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

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Spark Plug: Service and Repair

REMOVAL
1. Remove ignition coil.
Refer to Ignition Coil.

2. While wearing safety glasses, use compressed air to blow out debris from plug well.
3. Using a 5/8" (16mm) socket, remove the plug in CCW direction.

INSTALLATION
1. Adjust electrode gap.

ELECTRODE CLEARANCE
0.039 - 0.043 in (1.0 - 1.1 mm)

2. Lightly coat threads of plug with anti-seize compound.
3. Install and thread plug into cylinder head by hand.
4. Torque spark plug.

TORQUE VALUE
14 - 22 ftlb (20 - 29 Nm)

5. Apply dielectric compound to the inside of ignition coil boot and install. A slight click will be heard when terminal is properly connected.
6. Install ignition coil.

RECOMMENDED SPARK PLUGS
BRAND PART NO.
---------------------------------
NGK PFR6B-11
NIPPONDENSO PKR20PR-11