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Spark Plug|Service and Repair > < Spark Plug Specifications
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Spark Plug: Specifications
Torque

SPARK PLUG TORQUES

Spark Plugs - 3.7L.......................................................................................................................................................................................27 Nm (20 ft. lbs.)

Spark Plugs - All 4.7L (Upper or Lower row) (New plugs/gaskets).......................................................................................................27±3 Nm (20 ft. lbs.)

Spark Plugs - All 4.7L (Upper or Lower row) (Used plugs/gaskets).......................................................................................................22±3 Nm (16 ft. lbs.)

**Spark Plugs - 5.7L..................................................................................................................................................................... 18(±3) Nm (13(±2) ft. lbs.)
** Torque critical tapered design. Do not exceed 15 ft.lbs.

Spark Plug|Service and Repair > < Spark Plug Specifications