If you’re a driver in London dealing with a clunking noise when turning the steering wheel, this guide is for you. That sudden knock – especially when parking, making tight turns, or navigating busy streets – can be unsettling. It often signals worn suspension or steering components that, if ignored, can quickly turn into costly or unsafe issues. At Auto King, we regularly diagnose and fix these exact problems, helping drivers stay safe and avoid expensive breakdowns.
Quick Answer
A clunking noise when turning the steering wheel is usually caused by worn suspension or steering components such as top mounts, control arms, or CV joints. It should be checked early to avoid handling issues and further damage.
Why You Shouldn’t Ignore a Clunking Noise When Turning
Here’s the thing – your steering and suspension systems are tightly connected. When one component wears out, others are forced to compensate.
A simple clunk today could mean:
- Reduced steering control
- Uneven tyre wear
- Increased repair costs later
- Safety risks at higher speeds
We’ve seen it many times in our London workshop – drivers ignore a small noise, only to return weeks later with multiple worn parts instead of one.
Most Common Causes of Clunking When Turning the Steering Wheel
1. Worn CV Joints (Especially at Full Lock)
One of the most common culprits.
- Symptoms: Clicking or clunking during tight turns (like parking)
- Cause: CV joint wear or damaged rubber boot letting dirt in
- Fix: CV joint or driveshaft replacement
If the noise gets louder when turning sharply, this is often your issue.
In some cases, what starts as a heavier clunk can also present as a Clicking Noise When Turning at Low Speed, especially when components like CV joints begin to wear out.
2. Faulty Top Mounts (Very Common in UK Cars)
Top mounts (strut mounts) take a lot of stress – especially on rough London roads.
- Symptoms: Clunk or knock when turning at low speed
- Cause: Worn strut bearings or mount failure
- Fix: Replace top mount assembly
This is something we see frequently on everyday hatchbacks and saloons.
3. Worn Suspension Bushes
Bushes absorb vibrations – but they don’t last forever.
- Symptoms: Dull clunking noise when turning or going over bumps
- Cause: Cracked or perished rubber bushes
- Fix: Replace affected bushes
Poor road conditions accelerate this wear significantly.
It’s quite common for the same worn components to also cause knocking sounds over bumps, especially when suspension parts begin to deteriorate.
4. Loose or Worn Control Arms
Control arms keep your wheels stable.
- Symptoms: Clunk when turning or braking
- Cause: Worn ball joints or loose mounting points
- Fix: Control arm or ball joint replacement
Ignoring this can affect your alignment and handling.
In some cases, these worn components can also lead to Car Pulling to One Side, especially when suspension or steering alignment is affected.
5. Steering Rack Issues (High-Cost Problem)
This is more serious – and more expensive.
- Symptoms: Heavy steering + clunking when turning
- Cause: Worn internal components or loose rack mounts
- Fix: Repair or replace steering rack
If your steering feels loose or inconsistent, this needs urgent attention.
In more advanced cases, you may also notice Steering Wheel Vibration at Speed, which can indicate deeper issues within the steering or suspension system.
6. Anti-Roll Bar Links (Drop Links)
Small part, but very common failure.
- Symptoms: Knocking when turning or driving over uneven surfaces
- Cause: Worn link joints
- Fix: Replace anti-roll bar links
Good news: this is usually a quick and affordable fix.
How to Diagnose the Clunking Noise
While some issues are obvious, proper diagnosis matters.
Here’s what we typically check at Auto King:
- Steering components for play (tie rods, rack movement)
- Suspension parts for wear or damage
- CV boots for cracks or grease leaks
- Bushings for splits or deterioration
According to the RAC, worn suspension and steering components are among the most common causes of unusual vehicle noises.
Other Noises When Turning the Steering Wheel
Not every steering issue sounds like a clunk. Some drivers notice squeaking, grinding, or even a creaking noise when turning the steering wheel, each pointing to different underlying problems. For example grinding could indicate more serious steering rack or bearing issues. In many cases, a creaking noise when turning the steering wheel is linked to dry joints or worn bushings within the suspension system, which can develop alongside clunking issues over time. The key is not to ignore these sounds – different noises often signal different stages of wear, and catching them early can prevent more expensive repairs down the line. Understanding different vehicle sounds can make diagnosis much easier, and this car noises explained guide covers what common knocking, clunking, squealing, and clicking noises usually mean.
Does a Clunking Noise Always Mean Repairs?
Short answer: almost always, yes.
There’s rarely a harmless reason for a clunk when turning. Even if the issue starts small, it typically worsens over time.
Think of it like this:
- Early stage → Minor wear, cheaper fix
- Late stage → Multiple parts damaged, higher cost
How Much Does It Cost to Fix Clunking When Turning?
Costs vary depending on the cause:
- Anti-roll bar links: £80 – £150
- Suspension bushes: £100 – £300
- Top mounts: £150 – £350
- CV joints: £250 – £600
- Steering rack: £600 – £1,200+
Labour and vehicle type will affect pricing across London.
When Should You Get It Checked?
Don’t wait if you notice:
- Noise getting louder
- Steering feels loose or heavy
- Vibrations through the wheel
- Clunking during every turn
These are signs the problem is progressing. For more details, see our comprehensive guide on why your car feels unstable at high speeds.
Professional Fixes You Can Trust in London
Let’s be real – modern steering and suspension systems aren’t DIY-friendly.
At Auto King, we:
- Diagnose the exact source (not guesswork)
- Use high-quality replacement parts
- Carry out repairs efficiently to minimise downtime
If your car is already showing symptoms, it’s worth getting it checked before it turns into a bigger repair.
For related issues, you may also need:
- Wheel Alignment (if handling feels off)
- Brake Repair & Replacement (if noise occurs while braking)
If you’re unsure what’s causing the noise, getting professional suspension and steering repairs in Bethnal Green can quickly identify and fix the issue before it worsens.
Final Thoughts
A clunking noise when turning the steering wheel is never something to ignore. Whether it’s worn CV joints, faulty top mounts, or steering rack issues, early diagnosis can save you money – and keep your car safe on the road.
If you’re driving around London and hearing that noise more often, it’s probably time to get it checked properly.
Book an appointment online or Call us at 020 3877 6667