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

SPARK PLUGS (REPLACE)

CAUTION: Platinum plugs are used on 3.0L engine. Use care not to damage the platinum tips of the platinum plugs. Do not attempt to adjust the gap on these plugs.




Spark Plug Type:




1. Spark plugs must spark properly to assure proper engine performance and reduce exhaust emission level. Therefore, they should be replaced periodically with new ones.




2. The new plugs should be checked for the proper gap.
Spark plug gap: 1.0 - 1.1 mm (0.039 - 0.043 inch)
3. Install the spark plugs and tighten to 25 N.m (18 ft-lb)