Vibrations in the steering wheel of a Citroën Nemo often point to wear in the front suspension, a wheel issue or incorrect wheel alignment. The moment at which the vibration occurs helps identify the correct cause. A worn track rod end can make the steering wheel feel unsettled and accelerate tyre wear. An out-of-round tyre or bent wheel rim is often felt at a particular speed. Also see the overview of Citroën Nemo problems if several issues are recognisable in the van. The difference between a slight vibration and a safety risk is often revealed by a single targeted check.
Steering wheel vibration in the Citroën Nemo: possible causes
The Citroën Nemo is technically related to the Peugeot Bipper and Fiat Fiorino. Its compact front suspension takes a lot of punishment in heavy city use from speed bumps, kerbs and heavy loading. As a result, track rod ends, track rods, control arm bushes, top strut mounts and tyres deserve extra attention if the steering wheel vibrates.
The first question is not which part is faulty, but when the vibration occurs. A vibration felt only at 50 to 75 mph usually has a different cause from a jolt in the steering wheel during braking or acceleration. So do not immediately have the tracking set or parts replaced without a test drive and a check for play.
Vibration at a constant speed often points to a problem with wheel balance, tyre roundness or a bent wheel rim.
Vibration during braking more often matches brake discs, brake callipers or play in the suspension.
Vibration during acceleration matches a driveshaft, an inner CV joint or an engine mount.
A knock or loose feeling in the steering wheel may indicate track rod ends, track rods or ball joints. Ball joints are pivoting connections between the suspension and the wheel.
Jerky steering at low speed may indicate a top strut mount.
According to the technical operation of a steering system, a track rod end should move without any noticeable free play. The track rod end connects the track rod to the steering knuckle and directly determines the position of the front wheel. As soon as the joint develops play, the wheel position changes while driving over uneven surfaces. This usually does not cause a constant vibration, but rather a nervous steering feel, knocking and poorer directional stability.
‘ Merely turning the steering wheel while the car is standing on the ground is not enough for this. ’
Worn track rod ends cause play and tyre wear
On a Citroën Nemo, the outer track rod ends are located at the end of the track rods. Track rods are bars that transfer the steering movement from the steering rack to the front wheels. The outer track rod ends are also known as tie-rod ends. The inner track rod ends sit further inboard, under the steering rack gaiters. Both parts can wear, but a worn outer track rod end is usually quicker to spot during an inspection on a lift.
A garage usually checks the front axle with the car raised. The mechanic moves the wheel in a targeted way to find play in the track rod end, ball joint or wheel bearing. Simply turning the steering wheel while the car is standing on the ground is not enough for this. The load on the tyres can hide minor play.
Recognising the symptoms of a worn track rod end
On the Nemo, pay particular attention to symptoms that occur together. One symptom does not always give a clear diagnosis. The following signs do make a track rod end check sensible:
A knocking noise over cobbles or speed bumps.
Extra free play around the steering wheel’s centre position.
A car that no longer runs straight and true after a corner.
Wear on the inside or outside edge of a front tyre.
A steering wheel that gives short tugs on uneven road surfaces.
Do not replace a track rod end based only on a vibration at higher speed. That symptom is more often caused by a wheel or tyre. If play is confirmed, replace the faulty part and then have the front wheels aligned. The position of the front wheels changes when a track rod end is removed or replaced. This affects the direction in which the front wheels point.
Checking wheel alignment when the Nemo’s steering wheel vibrates
Incorrect wheel alignment is rarely the only cause of a heavy vibration that depends on speed. However, incorrect front wheel geometry can make the Nemo unstable and cause tyres to wear unevenly. Sawtooth wear on the tread can then itself create noise and vibration. That is why alignment remains an important factor.
Wheel alignment is only worthwhile if the front axle is mechanically sound. Worn control arm bushes, a loose track rod end or a wheel bearing with play can change position under load. The measured values may look correct on the ramp, while the car still pulls or feels unsettled on the road.
When having the alignment done, ask for a report showing the measured values before and after adjustment. Also check that the steering wheel is straight during the measurement. If the steering wheel on a Nemo is off-centre after a previous repair, simply moving the wheel is not a solution. The wheel angles must first be set correctly.
Checks before alignment
Before an alignment, check tyre pressures, tread depth and any damage to the tyre sidewall.
Check that the wheel rim runs true and has not suffered impact damage.
Have the front wheels dynamically balanced.
Have the track rod ends, ball joints, control arm bushes and wheel bearings checked for play.
Check the springs, shock absorbers and top strut mounts.
Only then have the front wheel geometry measured and adjusted.
The Nemo can also steer erratically if the top strut mounts are worn. This bearing allows the strut to rotate as you steer. If the bearing is stiff or briefly seizes, the spring does not turn smoothly. This often causes creaking, the spring jumping, or a short jolt when parking and manoeuvring slowly.
Vibrating steering problems in the Nemo: repair
A proper repair starts with the complaint. A visual inspection alone is not enough. If the vibration begins after a tyre change, first have the wheels balanced and check the hub faces for rust or dirt. A wheel that does not sit flat against the hub can still run out of true despite good balancing figures.
If the vibration remains after balancing, have radial and lateral runout measured. Radial runout means that a tyre or wheel does not run perfectly round. Lateral runout means the wheel wobbles from side to side. A deformed tyre cannot be reliably corrected with extra balance weights.
If the vibration is mainly felt during firm acceleration, have the driveshafts checked. An inner CV joint, a pivoting joint in the driveshaft on the gearbox side, can transmit vibrations to the body and steering wheel under load. An outer CV joint more often produces a clicking noise when the steering is turned fully. Grease marks around a split driveshaft boot are a clear reason to have the car inspected quickly.
The Citroën Nemo has electric power steering. If the steering sometimes goes heavy, the assistance changes or a warning light comes on, have the fault codes read. Citroën advises in the owner documentation that power steering fault messages should be checked. First inspect the battery, alternator, earth connections, fuses and connectors before replacing a steering motor or steering rack.
‘ Discover more articles on Carnews before a small steering vibration leads to extra tyre wear or a bigger repair. ’
Stop immediately if steering vibrations are severe
Stop driving immediately if the vibration suddenly becomes severe, the steering wheel feels loose or a tyre has a bulge, tear or visible deformation. Metal noises at a wheel, a strongly pulsating brake pedal or a power steering warning light combined with heavy steering also call for prompt inspection. Avoid high speed and heavy loading until the cause is known.
A slight vibration at a constant speed is often easy to fix, provided the diagnosis is carried out carefully. Start with the tyres and wheels, then have the track rod ends and suspension assessed and use wheel alignment as the final adjustment after play has been remedied. The Carnews website has more information about Citroën, maintenance, suspension issues and targeted diagnosis. Discover more articles on Carnews before a small steering vibration leads to extra tyre wear or a bigger repair.
Frequently asked questions
Technical causes are usually unbalanced or deformed tyres, bent wheel rims, incorrect wheel alignment or play in wheel bearings and the front suspension. Vibrations during braking often point to warped brake discs, uneven brake pads or a sticking brake calliper. During acceleration, worn driveshafts, inner CV joints or engine and gearbox mounts are suspect. Specific points of attention on the Citroën Nemo are worn top strut mounts and faults or power supply issues with the electric power steering.
Play in track rod ends and worn control arm bushes can amplify vibrations and cause an unstable or imprecise steering feel, especially during braking or on uneven road surfaces. They are generally not the only cause of strong, speed-related vibrations; tyres, wheels and driveshafts are more likely in that case. Have any play remedied before balancing or aligning, otherwise alignment is of little use.
On the Citroën Nemo, incorrect wheel alignment usually causes pulling to one side, a crooked steering wheel, an unstable steering feel and uneven tyre wear. Poor wheel balance mainly leads to steering wheel vibrations, usually noticeable between about 50 and 75 mph. Strong speed-related vibrations are more likely to point to imbalance, a bent wheel rim or an out-of-round tyre than to incorrect alignment alone.
Yes. A worn inner CV joint or driveshaft in particular can cause vibrations under load that reduce once you lift off the accelerator. Have both driveshafts checked for play, damaged boots and grease leakage; also check the engine and gearbox mounts.
An experienced mechanic can carry out a targeted test drive and reproduce the vibration systematically during braking, acceleration, coasting and when depressing the clutch. This allows them to quickly determine whether the cause lies with the wheel/tyre, brakes, driveshaft/CV joint or steering system, and then inspect only the suspect component.
