Spark Plug: Service and Repair

Spark Plugs

Service Repair No - 18.20.02

Remove
1. Disconnect battery earth lead.
2. Remove engine acoustic cover.







3. RH bank only: Release locking clips and disconnect multiplugs from plug top coils.
4. RH bank only: Remove 6 bolts securing plug top coils to RH camshaft cover and remove coils.







5. LH bank only: Noting their fitted positions, disconnect ht leads.
6. Using a 16 mm plug socket, remove spark plugs from both cylinder heads.

Refit
1. Set gap of each new spark plug to 1.00 mm.
2. Fit spark plugs and tighten to 25 Nm (18 ft. lbs.).
3. LH bank only: Connect ht leads.
4. RH bank only: Fit plug top coils to spark plugs.
5. RH bank only: Fit bolts securing plug top coils to RH camshaft cover and tighten to 9 Nm (6.5 ft. lbs.).
6. RH bank only: Connect multiplugs to plug top coils and secure with locking clips.
7. Fit engine acoustic cover.
8. Connect battery earth lead.