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 MANUALSFORD2021F-150 LIMITED, 3.5L ENG VIN 8, RWDREPAIR AND DIAGNOSISQUICK LOOKUPSFLUIDS
2021 Ford F-150 Limited, 3.5L Eng VIN 8, RWD
Quick Lookups: Fluids
2021 Ford F-150 Limited, 3.5L Eng VIN 8, RWDSECTION Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Compressor Oil | Gas | w/R-1234yf Refrigerant | 2.70 OZS. | 0.07 L | PAG OIL YN-35 | Approximate capacity. | S |
| Air Cond Compressor Oil | Gas | w/R-134a | 2.70 OZS. | 0.07 L | MOTORCRAFT PAG Refrigerant Compressor Oil/YN-12-D | Approximate capacity. | S |
| Air Cond Refrigerant | Gas | w/R-1234yf | 1.81 LBS. | 0.82 KG | R-1234yf | Approximate capacity. | S |
| Air Cond Refrigerant | Gas | w/R-134a | 1.93 LBS. | 0.87 KG | R-134a | Approximate capacity. | S |
| Automatic Transmission Fluid | Trans Mfr CD 10R80 | 13.00 QTS. | 12.3 L | MOTORCRAFT Automatic Transmission Fluid MERCON ULV | Approximate capacity. | S | |
| Brake Fluid | N/A | N/A | MOTORCRAFT DOT 4 Low Viscosity (LV) High Performance Brake Fluid, or equivalent. | Ford recommends using Motorcraft (Ford) DOT 4 LV High Performance Motor Vehicle Brake Fluid or equivalent meeting WSS-M6C65-A2. | S | ||
| Diesel Exhaust Fluid | 5.65 GALS. | 21.38 L | MOTORCRAFT Diesel Exhaust Fluid | Approximate capacity. | S | ||
| Differential Gear Oil | Front Axle,Conventional | 1.83 QTS. | 1.73 L | MOTORCRAFT SAE 75W-85 Premium Synthetic Hypoid Gear Lubricant | S | ||
| Differential Gear Oil | Front Axle,Torsen | 1.64 QTS. | 1.55 L | MOTORCRAFT SAE 75W-85 Premium Synthetic Hypoid Gear Lubricant | Add 4 oz. of Additive Friction Modifier XL-3 or equivalent meeting FORD Specification: (EST-M2C118-A) to front axles with Limited Slip Differential. | S | |
| Differential Gear Oil | King Ranch,Lariat,Limited,Platinum,Police Responder,SSV,XL,X | Rear Axle,9.75-Inch Ring Gear | 2.30 QTS. | 2.17 L | MOTORCRAFT SAE 75W-85 Premium Synthetic Hypoid Gear Lubricant. | Approximate capacity. | S |
| Differential Gear Oil | Rear Axle,8.8-Inch Ring Gear | 2.00 QTS. | 1.89 L | MOTORCRAFT SAE 75W-85 Premium Synthetic Hypoid Gear Lubricant | Approximate capacity. | S | |
| Engine Coolant | 3.5L Eng,Gas | 14.30 QTS. | 13.53 L | MOTORCRAFT Yellow Prediluted Antifreeze/Coolant | Indicates only approximate dry fill capacity. Some applications may vary. | S | |
| Engine Oil | 3.5L Eng | w/Filter | 6.00 QTS. | 5.67 L | MOTORCRAFT SAE 5W-30 Premium Synthetic Blend Motor Oil. | Approximate capacity. SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures. | S |
| Transfer Case Fluid | 2-Speed Torque On-Demand | 1.50 QTS. | 1.41 L | MOTORCRAFT Automatic Transmission Fluid MERCON LV | S | ||
| Transfer Case Fluid | 4-Speed Torque On-Demand | 2.00 QTS. | 1.89 L | MOTORCRAFT Automatic Transmission Fluid MERCON LV | S | ||
| Transfer Case Fluid | Electronic Shift-On-The-Fly (ESOF) | 1.45 QTS. | 1.37 L | MOTORCRAFT Automatic Transmission Fluid MERCON LV | S | ||
| Windshield Washer Fluid | N/A | N/A | MOTORCRAFT Premium Windshield Washer Concentrate Fluid | Follow the Manufacturer's Instructions for the mixture ratio. | 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.