FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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Hummer
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2004
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H1 V8-6.5L DSL Turbo
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Repair and Diagnosis
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Specifications
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Fuel Pump
Fuel Pump
Fuel Pump Pressure Test
Fuel pump pressure
5.8-8.7 psi (40-60 kPa) at idle.