Vibrations while accelerating in the Ford Transit are a common issue and often point to problems with the turbo or drivetrain. These complaints can lead to reduced performance, increased wear on components and costly repairs if you ignore them for too long. In this article you will read which symptoms point to turbo problems, how to recognise vibrations from the driveshaft and what you can do to resolve these issues.
Recognisable symptoms of turbo and drivetrain problems
Vibrations in the Ford Transit manifest themselves in different ways, depending on the underlying cause. You often feel them through the accelerator pedal, clutch pedal or through the whole bodywork. These vibrations usually occur while accelerating and can vary in intensity per gear or speed.
The most common symptoms are vibrations that are noticeable through the accelerator pedal and disappear as soon as you release the pedal. This shuddering often concentrates in the middle of the vehicle and points to problems with engine mounts or the drivetrain. For some owners the problem occurs specifically in one gear, for example third gear on automatic transmissions.
In addition, owners regularly report vibrations at higher speeds from around 100 kilometres per hour. These complaints often worsen in left-hand bends, which may indicate problems with CV joints (articulated joints in the driveshaft) or the driveshaft itself. With turbo-related problems you will also often hear additional noises such as whistling or squealing when accelerating, or a blowing sound from under the bonnet.
‘ When this play exceeds five teeth, replacement is necessary. ’
Common causes of vibrations while accelerating
Worn engine mounts are among the most common causes of vibrations in the Transit. These rubber mounts absorb vibrations from the engine and transmission, but over time they stretch or tear. The left-hand engine mount on the driver’s side is especially prone to wear. When engine mounts are defective, they transmit vibrations directly to the bodywork.
The dual-mass flywheel can also cause issues. When it wears, play develops between the starter ring gear and the flywheel. When this play exceeds five teeth, replacement is required. Signs of a defective flywheel include grease deposits at the weld seam or metal filings around the component.
Problems with the driveshaft and CV joints lead to specific vibrations while accelerating. The right-hand inner CV joint is particularly susceptible to wear and play. You will mainly notice this when pulling away or when taking bends, where the loads on the drivetrain increase.
Turbo- and engine-internal causes
Defective injectors or a faulty injection pump cause poor combustion. This leads to irregular engine running and vibrations. Cylinder three is known as a problem area for injectors in the Transit. A leaking EGR gasket can cause or intensify vibrations. This is particularly the case when there are problems with the turbo.
Marten damage to insulation material in the engine bay can amplify noises and vibrations. The protective layers are then damaged. This problem usually occurs with Transits that are parked outside, where martens damage or remove insulation material.
Solving Ford Transit driveshaft vibrations while accelerating
Start with a visual inspection of the driveshaft and CV joints (articulated joints in the driveshaft). Put the vehicle on a lift. Then check whether you can feel play by pulling on the shaft. Look out for splits in the rubber boots of the CV joints, because damaged boots allow grease to leak out and dirt to get in.
Next, test the engine mounts by having someone start the engine while you observe with the bonnet open. With worn mounts, the engine moves excessively during starting or shifting. Apply the handbrake. Gently apply throttle and observe the engine movement.
Vibrations coincide with additional noises such as ticking or blowing. In that case, have the injectors and injection pump checked. A professional diagnosis provides clarity on problems with fuel injection or turbo pressure. This diagnosis results in a printout of fault codes. With turbo-related complaints it is necessary to check the EGR valve (exhaust gas recirculation valve) and associated gaskets.
When replacement is necessary
Replace both engine mounts at the same time when one mount is worn. This prevents the other mount from deteriorating quickly due to increased load. Engine mounts cost between 50 and 150 euros each, depending on the Transit model. Labour is usually one to two hours.
A defective dual-mass flywheel always requires replacement of the complete component. The costs for this vary between 800 and 1500 euros including labour. Combine this repair with replacement of the clutch, because most of the labour overlaps and this avoids doing the job twice.
For CV joints with play or split rubber boots, replacement is the only solution. The costs per driveshaft including CV joints are 150 to 400 euros, depending on quality and brand. Labour takes roughly one and a half to two hours.
Turbo fault Ford Transit: symptoms and replacement
A turbo fault manifests itself as loss of power while accelerating. You will then hear whistling or blowing sounds from the engine bay. The glow plug warning light on the dashboard may flash and the engine may temporarily go into limp-home mode with reduced power. These symptoms indicate problems with turbo pressure or defective components inside the turbo itself.
Check the turbo hose for splits or loose connections. A leak in the system causes pressure loss and reduced performance. Also check for oil around the turbo, which may indicate leaking seals inside the turbo. If in doubt, you can have the turbo pressure measured by a garage to determine whether the turbo is functioning correctly.
Replacing a turbo is an expensive repair that costs between 1200 and 2500 euros, depending on engine type and whether you choose a new or reconditioned turbo. Always check the EGR valve and gaskets beforehand. These components can cause vibrations and noises similar to turbo problems, but are cheaper to fix.
Ford Transit drivetrain problems at high mileage
With Transits with high mileages, usually above 200,000 kilometres, complaints about the drivetrain increase. Wear on CV joints (articulated joints in the driveshaft), driveshafts and the dual-mass flywheel is then almost inevitable. Regular servicing and timely replacement of worn parts prevents small problems from developing into costly repairs.
Older MK3 models with rear-wheel drive display specific vibrations. These vibrations travel through the body while accelerating. This feels different from vibrations through the steering wheel and is caused by wear in the drivetrain between engine and rear axle. On these models it is necessary to check the propshaft and differential.
Preventive maintenance includes checking the following components at every service:
- Engine mounts for splits and wear
- CV joints for play and split rubber boots
- Dual-mass flywheel for play and grease leaks
- Turbo hoses for splits and loose connections
- EGR valve and gaskets for leaks
Practical tips for owners
The engine is still cold. Avoid sudden acceleration in this situation. This unnecessarily increases the load on turbo and drivetrain and accelerates wear. Let the engine warm up before using full throttle.
Note at what speed and in which gear vibrations occur. Also note whether they get worse in bends. This information helps the mechanic diagnose the problem and saves time during the investigation. If possible, take the mechanic along for a test drive so that he can experience the complaint for himself.
Do not ignore vibrations in the hope that they will disappear on their own. Continuous vibrations increase wear on other components and can lead to damage to bearings, mountings and even the gearbox. Early inspection prevents escalation into more expensive repairs.
Discover more about the Ford Transit
Vibrations and turbo problems are just some of the challenges Transit owners face. On the Carnews website you will find extensive information about common problems, maintenance tips and experiences from other owners. Discover more about your Transit and keep your van in top condition.
Frequently asked questions
The most common causes are worn or split engine mounts, which transmit engine and drivetrain vibrations directly to the bodywork. In addition, a worn dual-mass flywheel (too much play, grease leakage) and defective driveshafts/CV joints often cause vibrations when pulling away or in certain gears. Irregular combustion due to problems with injectors, injection pump or EGR can also cause vibrations, sometimes with whistling or ticking noises from the turbo. On older rear-wheel-drive Transits, play in the drivetrain and bearing wear can further increase vibrations.
Carry out a test drive: if the vibrations mainly occur under strong turbo boost (accelerating around the same rpm regardless of gear) and are accompanied by whistling/blowing noises or temporary loss of power, this points more towards the turbo or its control. If you feel the vibrations mainly through the body, floor, clutch or accelerator pedal and they clearly change with selected gear, speed or load (for example only in 3rd gear or above about 100 km/h), the cause usually lies in the drivetrain (DMF, CV joints, engine mounts). Visually check engine mounts, driveshafts and (for manual gearboxes) the dual-mass flywheel for excessive play, leaking grease or metal particles. Additionally, have a garage carry out a test drive and read out fault codes to rule out or confirm issues with injection, EGR and turbo control.
If you ignore turbo or drivetrain vibrations, relatively minor problems can develop into serious damage to components such as the dual-mass flywheel, driveshafts, CV joints or the turbo itself. This can lead to loss of power, unreliable driving behaviour and ultimately expensive repairs or breakdown at the roadside. Worn engine mounts or defective drivetrain components can also cause additional wear to surrounding parts. Having things checked in good time reduces the risk of breakage of drivetrain components and consequential engine damage.
Yes, prevent vibrations by having engine and gearbox mounts regularly checked for splits and sagging and replaced in good time. Have driveshafts and particularly the (inner) CV joints periodically checked for play and imbalance, and the dual-mass flywheel for excessive play, grease leakage or metal particles. Ensure timely maintenance of turbo, EGR and fuel injection system (filters, injectors) to avoid irregular combustion and turbo noise. Avoid hard acceleration with a cold engine and strictly follow Ford’s service intervals to limit wear in the drivetrain.
Common repair strategies include replacing worn engine mounts, the (inner) CV joint or complete driveshaft, and replacing or reconditioning a worn dual-mass flywheel (possibly combined with the clutch). For turbo-related vibrations, the EGR valve and gaskets are often checked and replaced if necessary, together with inspection or overhaul of the turbo and injectors. For engine mounts and CV joints/driveshafts, costs are roughly between €300 and €800 per shaft/side, depending on brand and labour rates. Replacing a dual-mass flywheel with clutch or a turbo-related repair/rebuild usually costs between €800 and €2,000.