Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1991SUBURBAN 1/2 TON 4WD V8-350 5.7LREPAIR AND DIAGNOSISSPECIFICATIONSCAPACITY SPECIFICATIONSFUEL TANK
1991 Chevrolet Suburban 1/2 Ton 4WD V8-350 5.7L
Fuel Tank
1991 Chevrolet Suburban 1/2 Ton 4WD V8-350 5.7LSECTION Fuel Tank
SUBURBAN:
Fuel Tank Capacity (Standard) 95.0 liters (25.0 gal.)
Fuel Tank Capacity (NK7 OPTION) 117.0 liters (31.0 gal.)
Fuel Tank Capacity (NE2 OPTION) 151.0 liters (40.0 gal.)
Fuel Tank Capacity (Standard) 95.0 liters (25.0 gal.)
Fuel Tank Capacity (NK7 OPTION) 117.0 liters (31.0 gal.)
Fuel Tank Capacity (NE2 OPTION) 151.0 liters (40.0 gal.)
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.