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GMC Truck
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1999
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Safari Van AWD V6-4.3L VIN W
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Mechanical Specifications
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Spark Plug
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Spark Plug Torque
Spark Plug Torque
Spark Plug
Torque
-
For (IRON Head-all Subsequent Installations) tighten the
spark plugs
to 15 Nm (11 lb ft).
-
For new iron heads tighten the
spark plugs
to 30 Nm (22 lb ft).