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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1991 Ford Club Wagon E350, 7.3 M
Quick Lookups: Fluids
1991 Ford Club Wagon E350, 7.3 MSECTION Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Refrigerant | Front & Rear | 4.25 LBS. | 1.92 KG | R-12 | S | ||
| Air Cond Refrigerant | Front | 3.50 LBS. | 1.58 KG | R-12 | S | ||
| Automatic Transmission Fluid | Trans Mfr CD E4OD | 15.70 QTS. | 14.85 L | Automatic Transmission Fluid MERCON | S | ||
| Brake Fluid | N/A | N/A | DOT 3 Brake Fluid | Fill to line on reservoir. | S | ||
| Differential Gear Oil | Dana 10.5" M70-2U | 6.60 PTS. | 3.12 L | Rear Axle Gear Oil | Fill to 1/4" below edge of filler plug hole. Add 8 oz. of Additive Friction Modifier C8AZ-19B546-A, FORD Specification: (EST-M2C118-A), for complete refill of Traction-Lok axles. | S | |
| Differential Gear Oil | Dana 9.75" M60-IU | 6.30 PTS. | 2.98 L | Rear Axle Gear Oil | Fill to 1/4" below edge of filler plug hole. Add 8 oz. of Additive Friction Modifier C8AZ-19B546-A, FORD Specification: (EST-M2C118-A), for complete refill of Traction-Lok axles. | S | |
| Differential Gear Oil | Ford 8.8" Ring Gear Conventional & Traction-Lok | 5.50 PTS. | 2.6 L | Rear Axle Gear Oil | Fill to 1/4" below edge of filler plug hole. Add 4 oz. of EST-M2C118-A Friction Modifier. | S | |
| Engine Coolant | 7.3L Eng | w/o Overflow bottle | 26.00 QTS. | 24.6 L | 50/50 mixture of FORD Premium Cooling System Fluid and water | S | |
| Engine Coolant | 7.3L Eng | w/Overflow bottle | 31.00 QTS. | 29.33 L | 50/50 mixture of FORD Premium Cooling System Fluid and water | S | |
| Engine Oil | Diesel | 10.00 QTS. | 9.46 L | SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium | S | ||
| Fuel Tank | Auxilary Tank | 16.00 GALS. | 60.56 L | S | |||
| Fuel Tank | Standard | 22.00 GALS. | 83.27 L | S | |||
| Power Steering Fluid | N/A | N/A | Automatic Transmission Fluid Type F | S | |||
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.