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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1984 GMC Caballero Base, 3.8 A, 250C/M31
Quick Lookups: Fluids
1984 GMC Caballero Base, 3.8 A, 250C/M31SECTION Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Brake Fluid | N/A | N/A | DOT 3 Brake Fluid | S | |||
| Differential Gear Oil | Rear Axle--Limited-slip | N/A | N/A | Special Gear Lubricant GM Part No. 1052271 or 1052272 | Fluid should be added at the filler hole until fluid begins to run out of hole. Install plug. | S | |
| Differential Gear Oil | Rear Axle-Standard | N/A | N/A | API - GL-5, SAE 80W or 80W-90 Gear Oil | S | ||
| Engine Coolant | 3.8L Eng,231CID Eng | 11.60 QTS. | 10.97 L | 56/44 mixture of Ethylene Glycol Base Antifreeze and water | GM Specification 1825-M. | S | |
| Engine Oil | V6 | w/Filter | 4.00 QTS. | 3.78 L | SAE 10W-30 | API - SF/CC Energy Conserving. | S |
| Fuel Tank | Gas | 17.70 GALS. | 67 L | S | |||
| Power Steering Fluid | N/A | N/A | GM Power Steering Fluid | GM Part No. 1050017. | 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.