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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1989 Chevrolet Sportvan G30, 7.4 N, 475/M40
Quick Lookups: Fluids
1989 Chevrolet Sportvan G30, 7.4 N, 475/M40SECTION Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Engine Coolant | G30,7.4L Eng | 23.00 QTS. | 21.76 L | 56/44 mixture of Ethylene Glycol Base Antifreeze and water | GM Specification 1825-M. | S | |
| Engine Coolant | G30 | 20.00 QTS. | 18.92 L | 56/44 mixture of Ethylene Glycol Base Antifreeze and water | GM Specification 1825-M. | S | |
| Engine Oil | G30,7.4L Eng | w/o Filter | 5.00 QTS. | 4.73 L | SAE 10W-30 (Below 0Deg.F to 60Deg.F), 15W-40 (0Deg.F to Above 100Deg.F), SAE 30 (Above 32Deg.F to Above 100Deg.F) | S | |
| Engine Oil | G30,7.4L Eng | With Filter | 6.00 QTS. | 5.67 L | SAE 10W-30 (Below 0Deg.F to 60Deg.F), 15W-40 (0Deg.F to Above 100Deg.F), SAE 30 (Above 32Deg.F to Above 100Deg.F) | S | |
| Engine Oil | G30 | 5.00 QTS. | 4.73 L | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | S | ||
| Fuel Tank | G30,7.4L Eng | Optional | 33.00 GALS. | 124.91 L | S | ||
| Fuel Tank | G30,7.4L Eng | Standard | 22.00 GALS. | 83.27 L | S | ||
| Fuel Tank | G30 | 33.00 GALS. | 124.91 L | S | |||
RENDER: 1.0x
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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.