FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
:
Car repair manuals for everyone.
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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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Engine, Cooling and Exhaust
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Engine
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Cylinder Head Assembly
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Valve Spring
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Service Precautions
Valve Spring: Service Precautions
Valve Springs
Can Be Tightly Compressed Caution
Caution:
Valve springs
can be tightly compressed. Use care when removing retainers and plugs. Personal injury could result.