Dual clutch transmission replacement & repair
Get quotes for a dual clutch transmission replacement or repair from approved specialists near you
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£400.24
Average quote for a mobile clutch replacement or repair
The clutch's job is to disengage the engine’s crankshaft from the transmission, allowing gear changes. A dual-clutch transmission (DTC) - also known as a direct-shift gearbox (DSG) - works similarly to a manual transmission but without requiring the driver to push a pedal to disengage the clutch.
A DCT features two clutches, one for odd gear sets and the other for even gears. An electronic system controls the clutch engagement. When you drive in automatic mode, the transmission pre-selects the next gear and makes the necessary changes.
You can also manually use a DCT with levers (called paddle shifters) on the steering wheel. This is what’s referred to colloquially as a flappy-paddle gearbox. Both options allow for much faster gear changes, so you’ll often find DCTs on sports cars.
Clutch replacement
The average price of a clutch repair on FixMyCar is £454.
If a clutch is slipping or making an unusual noise, it needs to be replaced to avoid further damage to the engine.
Can include- Diagnosis
- Replacement clutch
- May include flywheel replacement
Gearbox repair
The average cost of a gearbox repair booked on FixMyCar is £381.75. A gearbox is used to change the speed of a car. It's essential to get gearbox issues diagnosed as soon as possible.
Can include- Diagnosis
- Gearbox repair
- Gearbox replacement
Diagnostic test
The average price of a car diagnostic test on FixMyCar is £51.66.
A car diagnostic test is a digital analysis of your car, undertaken by a specialist mechanic, to assess potential faults and issues with your car engine, transmission, brakes and many more.
Can include- Diagnostic test
Signs of a bad dual-clutch transmission
Common symptoms of a bad dual-clutch transmission include juddering, hesitation, gear slipping, difficulty changing gears, sudden loss of power and grinding noises. This guide explains how to tell if you need a new clutch for your car.
Hesitation and gear slipping often happen when a DCT is overheating, which is a common problem. It may be caused by low fluid - especially if there is a leak - or a fault with the control module. Both of these issues can be repaired.
As with any clutch system, DCTs can become worn over time, causing parts to fail or malfunction. While you can extend their lifespan by following a regular servicing schedule, sometimes dual-clutch transmissions have to be replaced. Since this job is notoriously pricey, it’s worth shopping around for the best quote on FixMyCar.
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Learn more about clutches
How long do dual-clutch transmissions last?
DCTs are robust and efficient. When looked after correctly, they should last ten years or more. Manual clutches last around 150,000 miles, but you can expect closer to 200,000 miles from a dual system.
Find out more about how long clutches last.
Can dual-clutch transmissions be repaired?
Some DCT problems are easy to repair, such as worn bearings. These can be replaced without the need for a new clutch system. Similarly, the software of the mechatronic unit, which acts as the brain of the DCT, can be updated or restored to the factory settings to resolve certain issues.
However, in some severe cases, a complete replacement may be required of either the mechatronic unit, the dual-clutch or the whole gearbox.
Which is better, single clutch or dual-clutch?
There are pros and cons for both types of transmission. DCTs offer faster shifting, improved fuel economy, the option to switch between automatic and manual gear changing, and more horsepower. However, they are also more expensive to repair and replace, can be challenging to master for drivers used to manual single-clutch cars, and may also result in jerky gear changes.
The inverse is true for single clutch systems - they are slower overall but cheaper to replace and give the driver total control.
