Spark Plug: Service and Repair

CAUTION: To avoid engine damage, do not remove spark plugs when engine is warm.


REMOVE OR DISCONNECT
1. Negative battery cable.
2. Electronic ignition module assembly 4 bolts and connector.
3. Remove by pulling straight up on housing.
4. Use tool J 36011 or equivalent to remove connector assembly(s) if stuck to the spark plugs.
- Use tool by first twisting then pulling up on the connector assembly.
5. Remove debris from area around the spark plugs.
6. Remove the spark plugs using a spark plug socket.

INSTALL OR CONNECT
1. Adjust spark plug gap to 1.52 mm (0.060 inch) using a round wire type spark plug gap gage. While gapping plug be sure to keep the platinum pads aligned to ensure maximum plug life.
2. Hand start spark plugs into the cylinder head.

Tighten
Spark plugs to 18 Nm (13 lbs. ft.).

3. Reinstall onto the module assembly any spark plug boot connector assembly that stuck to a spark plug.
- Check to be sure spring terminal is inside boot.
- Reapply dielectric lubricant to insulator boot.
4. Locate module assembly over spark plugs and push straight down.
5. Clean any loose lubricant that is present on the module assembly to cam housing bolts.
6. Apply threadlocker onto the module assembly to cam housing bolts.


CAUTION: Hand start the module assembly to cam housing bolts.

Tighten
Bolts to 22 Nm (16 lbs. ft.).


7. Electrical connector.
8. Negative battery cable.