2014 Ford F-150 Fluid Type Specifications

Quick reference

Fluid	Type/Spec	Capacity
Engine Oil	Varies by engine: SAE 5W-20 (gas), SAE 5W-30 (Ecoboost/diesel) meets WSS-M2C930-A / WSS-M2C946-A / WSS-M2C929-A. Diesel requires CJ-4/CK-4 for models with 6.7L Power Stroke.	Varies by engine: 6.0-7.3 quarts (gas), 13 quarts (6.7L Power Stroke)
Engine Coolant	Motorcraft Orange Antifreeze/Coolant, Ford Specification WSS-M97B44-D (OAT)	Varies by engine and configuration: typically 15-22 quarts
Transmission Fluid	Mercon LV, Ford specification MERCON LV	Varies by transmission: typically 13-17 quarts for a complete service
Transfer Case	(If equipped) MERCON LV	Typically 1.5-2.0 quarts
Front Differential	(If 4WD/AWD) SAE 80W-90, Ford specification WSL-M2C192-A for certain applications. Some may specify full synthetic SAE 75W-90.	Varies by axle, typically 1.75-2.5 quarts
Rear Differential	SAE 80W-90 or SAE 75W-140 (for heavy-duty/towing). Ford specification WSL-M2C192-A or XY-75W140-QL. For limited-slip differentials, a friction modifier (Ford XL-3) is required.	Varies by axle, typically 2.75-3.5 quarts
Brake Fluid	DOT 4 Low Viscosity (LV) Motorcraft High Performance DOT-4 Motor Vehicle Brake Fluid, Ford specification WSS-M6C65-A2	As required (check reservoir)
Power Steering Fluid	MERCON LV (for most models), Ford specification MERCON LV. Some older models may specify MERCON V.	As required (check reservoir)
Washer Fluid	Ford-recommended Premium Windshield Washer Concentrate or equivalent.	Typically 1 gallon
DEF (Diesel Exhaust Fluid)	(If 6.7L Power Stroke diesel) API Certified, ISO 22241	Approximately 5 gallons

Engine Oil

For the 2014 Ford F-150, engine oil specifications vary significantly depending on the engine installed. It is crucial to consult your owner's manual for the exact requirements for your specific engine.

Gasoline Engines (3.7L V6, 5.0L V8, 6.2L V8): Typically require SAE 5W-20 engine oil meeting Ford specification WSS-M2C930-A or WSS-M2C946-A. Some variations may specify WSS-M2C929-A. Look for API SN Plus or API SP rated oils for the best protection against low-speed pre-ignition (LSPI), especially for turbocharged engines.

EcoBoost Engines (3.5L EcoBoost V6): Typically require SAE 5W-30 engine oil meeting Ford specification WSS-M2C946-A. Given the direct injection and turbocharging, using a high-quality synthetic oil is highly recommended. Again, prioritize API SN Plus or API SP ratings.

6.7L Power Stroke Diesel Engine: Requires a API CJ-4 or, for newer formulations, API CK-4 rated diesel engine oil. The recommended viscosity is typically SAE 15W-40, though SAE 10W-30 may be acceptable in certain climates as specified in your owner's manual. Ford often recommends Motorcraft Super Duty Diesel Motor Oil. Always verify the specific viscosity and API rating in your owner's manual.

Capacity Notes: Capacities range from approximately 6.0 to 7.3 quarts for gasoline engines. The 6.7L Power Stroke diesel typically holds around 13 quarts, including the oil filter. Always check the dipstick after an oil change to ensure proper fill.

Intervals and Pitfalls: Ford generally recommends oil change intervals of 7,500 to 10,000 miles or every six months for gasoline engines under normal driving conditions. For diesel engines, intervals can be longer with appropriate oil and filter use, but always adhere to the severe duty schedule if you tow or idle frequently. Using the incorrect oil type or viscosity can lead to premature engine wear, reduced fuel economy, and potential warranty issues.

Engine Coolant

Fordham vehicles, including the 2014 F-150, utilize an Orange-colored, Organic Acid Technology (OAT) coolant. The correct fluid is Motorcraft Orange Antifreeze/Coolant, meeting Ford Specification WSS-M97B44-D. This is a "long-life" coolant designed for extended service intervals.

Capacity Notes: Coolant capacity varies depending on the engine and whether your F-150 is equipped with a tow package or other heavy-duty cooling components. Generally, capacities range from 15 to 22 quarts for a complete drain and fill.

Intervals and Pitfalls: The initial fill of Motorcraft Orange coolant is designed for 10 years or 200,000 miles, whichever comes first. Subsequent changes are typically recommended every 5 years or 100,000 miles. A critical pitfall is mixing different types of coolants. Mixing OAT coolant with older HOAT (Hybrid Organic Acid Technology) or IAT (Inorganic Acid Technology) coolants can lead to chemical reactions, gel formation, corrosion, and severe damage to your cooling system components.

Transmission Fluid

For the 2014 Ford F-150, the automatic transmission requires MERCON LV (Low Viscosity) automatic transmission fluid. This fluid is specifically engineered for modern Ford transmissions and meets Ford specification MERCON LV. Never use "universal" ATF or fluids labeled as MERCON V or DEXRON VI, as these are not interchangeable with MERCON LV.

Capacity Notes: A complete transmission fluid exchange (including torque converter) for the 6R80 transmission typically requires 13-17 quarts. A simple pan drop and filter change will only replace a portion of the fluid, usually around 5-7 quarts.

Intervals and Pitfalls: Ford generally considers the transmission fluid to be "lifetime fill" under normal driving conditions, but for heavy-duty use (towing, frequent hauling, off-roading), a service interval of 30,000 to 60,000 miles is highly recommended. Using the incorrect fluid type will lead to transmission slippage, harsh shifts, overheating, and eventual transmission failure.

Transfer Case (If 4WD/AWD)

If your 2014 F-150 is equipped with four-wheel drive or all-wheel drive, the transfer case typically uses MERCON LV automatic transmission fluid. This is another component where the correct fluid is critical.

Capacity Notes: Transfer case fluid capacity is generally modest, typically requiring between 1.5 to 2.0 quarts.

Intervals and Pitfalls: Ford recommends checking the transfer case fluid at regular intervals and changing it under severe conditions, such as continuous towing or off-road use. Refer to your owner's manual for specific recommendations. Similar to the transmission, using any fluid other than MERCON LV can cause damage to the transfer case.

Front Differential (If 4WD/AWD)

For 4WD and AWD 2014 Ford F-150 models, the front differential typically requires SAE 80W-90 gear oil meeting Ford specification WSL-M2C192-A for certain applications. Some models, especially those with synthetic fill from the factory, may specify full synthetic SAE 75W-90 gear oil. Always consult your owner's manual for the precise specification for your vehicle.

Capacity Notes: Front differential capacities typically range from 1.75 to 2.5 quarts, depending on the axle assembly.

Intervals and Pitfalls: Differential fluid is often overlooked. Ford recommends inspection at regular service intervals and replacement under severe operating conditions. Incorrect viscosity or the absence of the correct additive can lead to excessive wear and noise.

Rear Differential

The rear differential in your 2014 F-150 may require either SAE 80W-90 or SAE 75W-140 gear oil, depending on the axle, towing capacity, and whether it's a limited-slip differential. Heavy-duty applications and those with a towing package often specify the heavier SAE 75W-140 full synthetic gear oil, such as Motorcraft XY-75W140-QL, meeting Ford specification WSL-M2C192-A or equivalent.

Limited-Slip Differentials: If your F-150 has a limited-slip differential, a friction modifier additive (Ford XL-3 or equivalent) must be added to the gear oil to ensure proper operation and prevent chatter. Many factory-fill synthetic 75W-140 oils designed for limited-slip units already contain the necessary friction modifier.

Capacity Notes: Rear differential capacities vary significantly based on the axle size and design, typically ranging from 2.75 to 3.5 quarts.

Intervals and Pitfalls: Severe use, such as heavy towing, hauling, or off-roading, necessitates more frequent differential fluid changes. Failure to use the correct fluid type, viscosity, or to include the friction modifier for limited-slip differentials will result in premature wear, noise, and potential differential failure.

Brake Fluid

The 2014 Ford F-150 uses DOT 4 Low Viscosity (LV) Motorcraft High Performance DOT-4 Motor Vehicle Brake Fluid, meeting Ford specification WSS-M6C65-A2. DOT 4 LV fluids are designed for better performance in modern ABS and stability control systems. While DOT 3 is generally compatible, DOT 4 LV offers superior performance and is the factory fill.

Capacity Notes: Brake fluid capacity is not usually listed as a specific quantity; rather, it's filled to the "MAX" line in the reservoir. A typical bleed might use 1-2 quarts.

Intervals and Pitfalls: Brake fluid is hygroscopic, meaning it absorbs moisture over time, which lowers its boiling point and can lead to corrosion. Ford recommends inspecting brake fluid regularly and replacing it every two years or 30,000 miles, especially in humid climates, to maintain braking performance and prevent expensive repairs to ABS components. Never use DOT 5 silicone-based fluid, as it is incompatible with DOT 3/4 systems and can cause seal damage.

Power Steering Fluid

Most 2014 Ford F-150 models with traditional hydraulic power steering systems will use MERCON LV automatic transmission fluid. This is confusing for many owners, but it's the specified fluid and meets Ford specification MERCON LV. Some older Ford models may specify MERCON V, but verify your exact requirement in the owner's manual.

Capacity Notes: Power steering fluid capacity is relatively small, filled to the "MAX" line on the reservoir, typically less than a quart for a top-off.

Intervals and Pitfalls: Power steering fluid does not have a strict replacement interval but should be inspected for clarity and level. If the fluid appears dark or smells burnt, it should be changed. Using the wrong fluid can cause pump whining, steering stiffness, and premature wear of power steering components.

Washer Fluid

For windshield washer fluid, Ford recommends using their Premium Windshield Washer Concentrate or an equivalent, readily available at any auto parts store. It's important to choose a fluid appropriate for your climate, especially one with anti-freeze properties if you live in an area with freezing temperatures.

Capacity Notes: The washer fluid reservoir typically holds around 1 gallon.

Intervals and Pitfalls: No specific interval. Simply refill as needed. Using plain water in the washer reservoir is discouraged, especially in freezing temperatures, as it can freeze and damage the pump and lines. Additionally, plain water is less effective at cleaning road grime.

DEF (Diesel Exhaust Fluid)

If your 2014 F-150 is equipped with the 6.7L Power Stroke diesel engine, it will require Diesel Exhaust Fluid (DEF). DEF is a non-toxic solution of 32.5% ultra-pure urea and 67.5% de-ionized water. It helps reduce nitrogen oxide (NOx) emissions in the exhaust system.

Specification: Always use DEF that is API Certified and meets ISO 22241 standards. Look for the API certification mark on the container.

Capacity Notes: The DEF tank on a 2014 F-150 with the 6.7L Power Stroke diesel typically holds approximately 5 gallons.

Intervals and Pitfalls: The DEF consumption rate varies based on driving conditions, towing, and engine load. The truck's onboard computer will provide warnings when the DEF level is low. Refilling is typically required every few thousand miles. A major pitfall is using contaminated DEF, outdated DEF, or non-spec DEF, which can damage the Selective Catalytic Reduction (SCR) system and lead to costly repairs. Never put DEF in the fuel tank, or diesel in the DEF tank.

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