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

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Spark Plug: Service and Repair

NOTE: Refer to the chart in Step 4 to determine the condition of the spark plugs.

1. Remove the spark plug wire from the spark plug.
2. Loosen the spark plug.

CAUTION: If reversing existing spark plugs, mark their location before removal.

WARNING: Always wear eye protection when using compressed air.

NOTE: Use compressed air to remove any debris from the spark plug well before removing the spark plugs.




3. Remove the spark plug.




4. Inspect the spark plugs.
5. Check and adjust the spark plug gap as necessary.

NOTE: Platinum-enhanced spark plugs should not require adjustment throughout their service life.




6. Install in reverse order of removal.