FORD TRUCK 400.FD8314 Transmission

( Brand: Ford Truck ), ( Model: EXPLORER ), ( Part Type: Transmission ), ( Genuine Oem: Yes ), ( Ipn: 400.fd8314 ), ( Manufacturer Warranty: 90 Day )

Review FORD TRUCK Transmission fits EXPLORER 400 2014

The **Ford 400.FD8314 6-Speed Automatic Transmission** from the **2014 Ford Explorer** represents a refined and robust powertrain component designed to deliver seamless performance, durability, and reliability in one of America s most versatile midsize SUVs. Engineered as part of Ford s **6R80E** transmission family, this transmission is a sophisticated six-speed automatic with a torque converter and a dual-clutch hybrid system, allowing for smooth gear shifts and optimized fuel efficiency without compromising on towing or hauling capability. The **400.FD8314** designation indicates a specific model variant tailored for the Explorer s **3.5L EcoBoost V6 engine**, which produces up to **365 horsepower and 420 lb-ft of torque**, demanding a transmission capable of handling high-stress driving conditions while maintaining efficiency. This transmission features **electronic shift control**, enabling precise and responsive gear selection, whether accelerating from a stop, merging on the highway, or navigating steep inclines with a loaded cargo area. Its **wet dual-clutch design** ensures quicker and more efficient shifts compared to traditional torque converter transmissions, reducing lag and improving overall driving dynamics. The **FD8314** is built with **high-strength steel and precision-machined components**, including a **multi-disc clutch pack and a robust planetary gearset**, to withstand the demands of daily driving, towing up to **5,200 pounds**, and even off-road adventures. Ford s **TorqueFlite** transmission technology integrates **adaptive shift logic**, which learns driver habits over time to anticipate gear changes, enhancing both comfort and performance. Additionally, the transmission incorporates **Ford s Shift Control System (SCS)**, allowing for manual shift selection via the shifter or paddle shifters, giving drivers the option to engage in sportier driving modes when desired. Built to meet **Ford s stringent durability standards**, this transmission is designed for longevity, often exceeding **200,000 miles** with proper maintenance, including regular fluid changes and filter replacements. The **FD8314** also includes **integrated cooling systems**, such as a **transmission cooler** and **oil cooler**, to prevent overheating during extended towing or high-load operations, ensuring consistent performance even under demanding conditions. Whether navigating city traffic, cruising on the highway, or tackling rugged terrain, the **2014 Ford Explorer s 400.FD8314 transmission** delivers a harmonious blend of power, precision, and reliability, making it a cornerstone of the vehicle s driving experience.

### Pros and Cons of Buying a 2014 Ford Explorer with a 400,000-Mile 6R80/6R90 Transmission (FD8314)

#### **Pros**

1. **Proven Reliability of the 4.6L V8 Engine** The 4.6L Triton V8 in the 2014 Explorer is a well-regarded engine known for durability, especially when properly maintained. It is less prone to catastrophic failure compared to some smaller engines and handles high mileage better than many modern turbocharged or direct-injection engines.

2. **Strong Towing and Hauling Capability** The 4.6L V8 provides ample power (around 300 310 hp and 300 lb-ft of torque) for towing and hauling, making it suitable for families or those who need a capable SUV. The 6-speed automatic transmission (6R80/6R90) is also robust for towing when in good condition.

3. **Proven 6R80/6R90 Transmission** While transmissions can be a concern at high mileage, the 6R80 (and its successor, the 6R90) is a well-built automatic transmission when maintained. Many examples with 400,000 miles run smoothly if they ve had regular fluid changes and no major internal failures. The torque converter and valve body are generally reliable if serviced properly.

4. **Availability of Parts and Mechanics** Ford s older V8 engines and 6R80 transmissions are still widely supported by mechanics, especially in areas where Fords are common. This means easier access to parts, labor, and diagnostic tools compared to newer or less common transmissions.

5. **Comfortable and Spacious Interior** The 2014 Explorer offers a comfortable ride, good cargo space, and a practical layout for families or those who need extra room. The interior materials are durable, and the SUV s size makes it easier to maneuver than larger trucks or SUVs.

6. **Potential for Lower Purchase Price** High-mileage vehicles like this often come at a discounted price compared to newer models, making them attractive for budget-conscious buyers who are willing to invest in maintenance.

7. **Proven Suspension and Handling** The Explorer s suspension is designed for comfort over rough roads, and the 4.6L V8 s weight distribution provides a stable ride. While not as sporty as some competitors, it handles daily driving well.

---

#### **Cons**

1. **High Mileage Risks** At 400,000 miles, the vehicle is approaching the end of its natural lifespan. Key components like the timing chain, water pump, serpentine belt, and suspension parts (shocks, struts, bushings) may be worn and require replacement soon. The 4.6L V8 is known to develop timing chain stretch over time, which can lead to rattling noises or failure if not addressed.

- **Slippage or hesitation** (common in transmissions with worn clutches or solenoids).

- **Leaking seals or fluid contamination** (leading to rough shifting or failure).

- **Torque converter failure** (can cause hard shifting or no engagement).

- **Valve body or solenoid failures** (resulting in erratic shifting or stalling).

A pre-purchase inspection (PPI) with a transmission fluid analysis and road test is critical.

3. **Fuel Economy Limitations** The 4.6L V8 is not fuel-efficient by modern standards, averaging around **16 18 MPG combined**. This can add up to higher running costs, especially for long commutes or highway driving.

- **Timing chain replacement** (often recommended around 100,000 150,000 miles, but can stretch further).

- **Suspension components** (shocks, struts, control arms, bushings).

- **Brake system upgrades** (rotors, pads, calipers may need replacement).

- **Exhaust and emissions components** (catalytic converters and oxygen sensors can fail).

- **Transmission service** (fluid changes every 60,000 100,000 miles is ideal).

5. **Rust and Corrosion** If the vehicle has seen wet or salty conditions, rust can be a concern, particularly on the undercarriage, wheel wells, and frame. Inspect for rust thoroughly before purchasing.

- **Faulty sensors** (mass airflow, throttle position, or oxygen sensors).

- **Infotainment glitches** (SYNC system may freeze or have poor connectivity).

- **Window regulators or door lock failures** (common in high-mileage vehicles).

7. **Resale Value** Even if well-maintained, the 2014 Explorer will depreciate further over time, and selling it later may not recoup much of the investment.

- **Coolant leaks** (from the water pump or radiator hoses).

- **Power steering or brake fluid leaks**.

- **Drive axle or differential wear** (especially if the vehicle was used for towing).

- **Exhaust manifold cracks** (common in the 4.6L V8).

---

### **Key Considerations Before Buying**

- Check the transmission for smooth shifting, no leaks, and proper fluid condition.

- Inspect the timing chain for stretch or noise.

- Test the suspension, brakes, and electrical systems.

- Verify no major rust or frame damage.

- Regular oil changes (synthetic oil recommended).

- Transmission fluid changes (every 60,000 100,000 miles).

- Timing chain inspection/replacement if needed.

- No history of neglect (e.g., no oil changes, delayed repairs).

- **Transmission performance** (smooth shifts, no jerking or hesitation).

- **Engine noise** (no ticking, rattling, or knocking from the timing chain).

- **Braking and handling** (no pulling, vibration, or unusual noises).

- **Electrical systems** (lights, windows, infotainment).

- Suspension refresh (shocks, struts, bushings).

- Brake system overhaul.

- Timing chain replacement (if needed).

- Transmission service or potential rebuild (if slipping or leaking).

5. **Consider Alternatives** If the price is right and the vehicle checks out, it could be a good deal. However, alternatives to consider include:

- A **lower-mileage 2015 2017 Explorer** (with a newer 6R100 transmission).

- A **used but well-maintained 2016 Ford Expedition or Chevy Tahoe** (if towing is a priority).

- A **modern turbocharged SUV** (e.g., 2018 Ford Explorer with EcoBoost) for better fuel economy and tech.

---

### **Final Recommendation**

- The vehicle has **complete maintenance records**, especially for the transmission and timing chain.

- A **PPI confirms no major hidden issues** (transmission, engine, suspension, rust).

- You are **prepared to invest in upcoming repairs** and don t mind lower fuel economy.

- The **purchase price is significantly below market value** for the mileage (aim for **under $10,000 $12,000** depending on location and condition).

- The seller **won t provide maintenance records** or the vehicle has a history of neglect.

- The **transmission shows signs of slippage, leaks, or rough shifting** during inspection.

- The **engine has timing chain noise or other concerning symptoms**.

- You **can t afford the potential repairs** in the next 12 24 months.

**Best Case Scenario:** If the vehicle is in excellent condition, it could serve as a **reliable, high-mileage SUV** for another 50,000 100,000 miles with proper care. However, it s not a "set-and-forget" purchase expect to budget for maintenance.

**Alternative Approach:** If you re unsure, consider a **lower-mileage used Explorer (2

Details:

ID TRANSMISSION 3.5L 90,006 STANDARD.

part #: 400.fd8314 price

• $783.74

specifications autotransmissionsgo:

• for models: 400, Explorer
• for makes: Ford
• for years: 2014
• brand: Ford Truck
• model: Explorer
• part type: Transmission
• genuine oem: Yes
• ipn: 400.fd8314
• manufacturer warranty: 90 Day

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• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

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• cost: $0.00
• type: Fixed
• class: Freight
• service: Flat Rate Freight

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• options: Ship-to-home
• started: March 31, 2026
• quantity: 1

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• rating: 99.6%
• # reviews: 7831
• city: Kalamazoo, Michigan

general autotransmissionsgo:

• condition: Used
• Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission

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