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 MANUALSCHEVROLET1987SUBURBAN 1/2 TON 4WD V8-454 7.4LREPAIR AND DIAGNOSISSPECIFICATIONSCAPACITY SPECIFICATIONSENGINE OIL
1987 Chevrolet Suburban 1/2 Ton 4WD V8-454 7.4L
Engine Oil
1987 Chevrolet Suburban 1/2 Ton 4WD V8-454 7.4LSECTION Engine Oil
Type SG
CAPACITY, Refill:
6-cyl. 292 eng. 4.7 Liters 5.0 Quarts
8-cyl. 350 3.8 Liters 4.0 Quarts
8-cyl. 454 4.8* Liters 5.0* Quarts
8-cyl. 454 5.7 Liters 6.0 Quarts
*1986 K30, -35 pickup only. Capacity shown is without filter. When replacing filter, additional oil may be needed
1986:
Above 40°F (4°C) 30
Above 20°F (-7°C) 20W-20
Above 10°F (-12°C) 15W-40
Above 0°F (-18°C) 10W-30*
Below 60°F (16°C) 5W-30
1987:
Above 40°F (4°C) 30
Above 0°F (-18°C) 10W-30*
Below 60°F (16°C) 5W-30
*Preferred
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.