Spark Plug: Service and Repair

Caution: Take great care when fitting spark plugs not to cross-thread plug, otherwise costly damage to cylinder heads will result. It is essential that only the correct grade of spark plugs, approved for this engine are fitted. Incorrect grade of spark plugs may lead to piston overheating and engine failure.



Spark Plugs


Service repair no - 18.20.02


Before disconnecting the battery, ensure all text and cautions in the battery disconnection procedure are observed.

Remove

1. Disconnect battery earth lead.
2. Remove ignition coils.
3. Clean area around spark plugs.
4. Remove 8 spark plugs.

Refit

1. Fit 8 spark plugs and tighten to 31 N.m (23 lbf.ft).
2. Fit 8 ignition coils.
3. Connect battery earth lead.