fuel
Fuel Cap Torque Specs
for 1991 GMC Sierra 3500 6.5L V8 Diesel · 4WD
10 fasteners
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Fuel Line Fittings
CriticalUse new O-rings
18 lb-ft · 25 Nm
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Line Fittings
CriticalUse new O-rings
20 lb-ft · 27 Nm
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Pressure Regulator Screws
5 lb-ft · 7 Nm
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