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Athol Park Wreckers are experiencing heavy demand for Ford Mondeo 6DCT450 replacement transmission. These transmissions are a dual wet clutch transmission, during this article we will discuss the operation of these transmissions.  We have been diagnosing supplying and fitting these transmission for a long time and thought our wonderful customers would benefit from having more product information to assist them with their decision making process.

The 6DCT450 transmission, also known as the Ford Powershift transmission, is a dual-clutch transmission developed by Getrag and used in various Ford vehicles, including the Ford Mondeo. Here’s an overview of its operation:

  1. Dual-Clutch System: The 6DCT450 transmission utilizes two separate clutches, one for odd-numbered gears (1, 3, 5) and another for even-numbered gears (2, 4, 6). This setup allows for smoother and quicker shifts compared to traditional automatic transmissions.
  2. Automatic Operation: While it’s technically a manual transmission, the 6DCT450 operates automatically, meaning there’s no need for the driver to manually engage and disengage gears or operate a clutch pedal. Instead, the transmission’s control unit manages gear changes based on driving conditions and driver input.
  3. Gear Selection: The transmission selects gears based on factors such as vehicle speed, engine load, throttle input, and driving mode. It can pre-select the next gear to facilitate smooth and quick gear changes.
  4. Shift Quality: The dual-clutch design enables faster shifts compared to traditional automatic transmissions. This results in smoother acceleration and better fuel efficiency.
  5. Driving Modes: Some versions of the 6DCT450 transmission may offer different driving modes such as Normal, Sport, or Eco. These modes adjust shift points and throttle response to suit different driving preferences and conditions.
  6. Manual Mode: Many vehicles equipped with the 6DCT450 transmission also offer a manual shift mode, allowing the driver to manually select gears using paddle shifters or a sequential shifter. In manual mode, the driver has more control over gear selection, which can be useful for situations such as driving on steep inclines or for a more engaging driving experience.
  7. Maintenance: Like any transmission, regular maintenance is important to ensure longevity and optimal performance. This may include fluid changes, filter replacements, and software updates as recommended by the manufacturer.

It’s worth noting that while the 6DCT450 transmission offers many benefits in terms of performance and efficiency, it has also faced some issues in the past related to durability and reliability. Ford and Getrag have worked to address these issues through software updates and other improvements, but it’s essential for owners to stay informed about any potential recalls or technical bulletins related to their specific vehicle and transmission. Should you require a software update for your Ford Mondeo Athol Park Wreckers can assist.

The real question is what is wrong with my car and do i need a replacement transmission from Athol Park Wreckers.


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Diagnosing transmission issues with the Ford Mondeo equipped with the 6DCT450 dual-clutch transmission can be complex and may require specialized tools and expertise. Here are some common steps and potential issues to consider:

  1. Check for Error Codes: Use a diagnostic scanner to retrieve any error codes stored in the transmission control module (TCM) or engine control module (ECM). These codes can provide valuable clues about the nature of the problem.
  2. Fluid Level and Condition: Ensure the transmission fluid level is correct and that the fluid is clean and free of contaminants. Dirty or low fluid levels can cause various transmission problems.
  3. Transmission Solenoids: The 6DCT450 transmission uses solenoids to control gear engagement and shifting. Faulty solenoids can cause erratic shifting, slipping, or other transmission issues.
  4. Clutch Wear: Dual-clutch transmissions like the 6DCT450 have wet clutches that can wear over time. Excessive wear can cause slipping or harsh engagement. Inspecting the clutch discs and measuring their thickness can help determine their condition.
  5. Software Updates: Ford may release software updates to address known issues or improve transmission performance. Ensuring the transmission control module has the latest software installed can sometimes resolve problems.
  6. Mechatronic Unit: The mechatronic unit is the electronic control unit responsible for managing various functions of the transmission. Malfunctions in the mechatronic unit can cause a range of transmission problems.
  7. Mechanical Damage: Inspect the transmission housing, gears, and other components for signs of mechanical damage or wear. Physical damage can result from issues such as bearing failure, improper installation, or harsh driving conditions.
  8. Electrical Connections: Check all electrical connections to ensure they are secure and free of corrosion. Loose or damaged connections can cause intermittent electrical faults.
  9. Drive Cycle Test: Perform a drive cycle test to observe the transmission’s behavior under various operating conditions. Pay attention to symptoms such as rough shifting, hesitation, or abnormal noises.
  10. Professional Diagnosis: If you’re unable to identify the problem or if it requires specialized equipment, consider seeking assistance from a qualified mechanic or dealership with experience in diagnosing and repairing Ford transmissions.

A Common problem encountered with Mondeo 6dct450 transmission is broken clutch retainers, the nylon retainer obliterate and are promptly distributed throughout the transmission.  Whilst it is possible to repair or replace the clutch using special tools, ingress of debris may lodge in other parts of the transmission and cause further issues.

this problem we cause incorrect clutch touch point and engagement causing the transmission to be stuck in gear or out of gear, often no reverse is available.


if you have any further questions please feel free to give our friendly staff a call and we can make an appointment to inspect your vehicle.

Remember to follow safety precautions and consult the vehicle’s service manual for specific diagnostic procedures and specifications. Additionally, be prepared for the possibility of needing to replace components or perform more extensive repairs depending on the severity of the issue.