B5.9G, B5.9LPG – Troubleshooting and Repair Manual – 013-050   Coil Extension

Whenever a coil extension is removed, a new extension should be installed. Do not use an extension that has been separated from the ignition coil body.

Do not remove a coil extension unless the ignition coil does not pass the resistance check.

Do not use a coil extension with visible physical damage.

WARNING  To reduce the possibility of personal injury, do not touch any ignition wires or components while the engine is operating, unless using suitably insulated tools.

CAUTION  The engine must not be running and the ignition switch must be in the OFF position when installing or removing the ignition coil tester to reduce the possibility of personal injury or equipment damage.

• Disconnect the batteries. Refer to the OEM service manual.
• Disconnect the spark plug wires. Refer to Procedure 013-014 in Section 13.
• Remove the ignition coil. Refer to Procedure 013-012 in Section 13.

CAUTION  Do not place coil body in clamp or vise during removal or damage may result.

Hold the igntion coil body as illustrated and twist the coil extension counterclockwise to unscrew it from the ignition coil.

CAUTION  Do not use electrical contact cleaner on the coil body or damage may result.

Use a clean, lint-free, cloth or equivalent, to remove any grease or debris from the threads, the electrode, and the grooves on the bottom of the ignition coil body.

CAUTION  Do not cross thread the coil extension to the ignition coil. Damage to the components can result.

CAUTION  Do not use any tools to install the new coil extension. Damage to the components can result.

Whenever a coil extension is removed, a new extension should be installed. Do not use an extension that has been separated from the ignition coil body.

The new coil extension is pre-greased and does not require any additional grease prior to installation.

Align threads of the new coil extension with the threads on the ignition coil; Turn the coil extension counterclockwise until a slight click is felt, to help align the threads.

Turn the extension clockwise by hand only until the coil extension seats against the igntion coil body.

• Install the ignition coil. Refer to Procedure 013-012 in Section 13.
• Connect the spark plug wires. Refer to Procedure 013-014 in Section 13.
• Connect the batteries. Refer to the OEM service manual.