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

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Spark Plug: Service and Repair

Ignition Wire Removal:





1. Remove ignition wires from spark plugs.

Spark Plug Removal:





2. Using a 16 mm spark plug socket remove spark plugs from cylinder head.

3. Using a suitable gapping tool, adjust spark plug gap.

Spark Plug Gap: 0.043 in (1.1 mm)

4. Apply a light coat of anti-seize compound to threads of spark plugs.

5. Using a 16 mm spark plug socket, install spark plugs.

Torque Value: 13 ft.lb (18 Nm)

6. Reconnect spark plug wires to the appropriate spark plug. Ensure proper firing order.

Firing Order: 1 - 3 - 4 - 2