Diesel Data
: Automotive Repair
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Hummer
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2003
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H2 V8-6.0L
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Ignition System
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Spark Plug
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Specifications
Spark Plug: Specifications
Spark Plug
Gap
1.02 mm (0.040 in.)
Spark Plug
Torque
Used Heads
15.0 Nm (11.0 lb. ft.)
New Aluminum Heads
20 Nm (15 lb ft.)
New Iron Heads
30 Nm (22 lb ft.)