Diesel Data
: Automotive Repair
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Hummer
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2007
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H3 L5-3.7L
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Spark Plug
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Specifications
Spark Plug: Specifications
Spark Plug
Gap
1.08 mm (0.042 in)
Spark Plug
Torque
18 N.m (13 lb ft)