| Component | Typical platforms | Symptom | Typical fix |
|---|---|---|---|
| Front lower arm rear bush | PQ35: Golf Mk5/6, A3 8P, Octavia Mk2 | Clonk over bumps, vague steering | Bushes or complete arms |
| Strut top mounts | Polo, Fabia, Ibiza, Golf, A1 | Creak on full lock | Mount and bearing renewal |
| Anti-roll bar droplinks | All models, all ages | Rattle on rough roads | New links in pairs |
| Broken coil spring | Polo, Golf, Fabia, UK potholes | Clunk, car sits low | Springs replaced in pairs |
| Upper control arm joints | Audi A4/A5 B8, A6 C7 | Creak over speed bumps | Upper arm pairs |
| Rear trailing arm bushes | Golf, Leon, Octavia multi-link rear | Rear knock, axle shuffle | Bonded bushes pressed in |
| Subframe bushes and bolts | PQ35 transverse models | Clonk on drive take-up | New stretch bolts, realign |
| Leaking dampers | All models, higher mileage | Wallow, MOT advisory | Damper pairs with mounts |
We start with a road test to hear the noise in context, then get the car on a ramp and load each joint and bush with pry bars until the movement shows. On VAG cars we also run a full scan with ODIS or VCDS, because chassis electronics faults often sit alongside mechanical wear. You get a clear list of what needs doing now and what can wait.
It depends what is knocking. A tired droplink is annoying rather than dangerous in the short term. A worn ball joint or a badly cracked spring is a different matter, because either can let go without warning. If a new knock has appeared, have it inspected promptly rather than waiting for the MOT to find it.
No. Under UK block exemption rules you are free to have servicing and repairs carried out by an independent garage without affecting the manufacturer warranty, provided the work uses parts of the correct quality. We fit genuine or OEM components and record everything, so your warranty position is protected.
There is no fixed lifespan. Rubber bushes wear by age as much as mileage, so a twelve-year-old car on modest miles can need them just as urgently as a hard-driven one. The heaviest-loaded bushes, such as the rear bush of the front lower arm, usually give up first, while others last the life of the car. We judge them by loading each one on the ramp rather than by the calendar, and our suspension arms page covers the choice between new bushes and complete arms.
A heavy transverse engine over the front axle, firm factory bush rates and UK road surfaces are a hard combination. The rear bush of the front lower arm takes braking and acceleration loads on PQ35 and MQB cars, so it is usually first to go. It is a wear item, not a design defect, and quality replacements last well.
Genuine VAG parts or OEM components from the manufacturers who supply the factory, such as Lemförder, Sachs and TRW. Cheap white-box arms and links rarely last, and on suspension the labour often costs more than the part, so fitting it twice is false economy. We will always tell you which brand is going on your car.
Yes, and the tyres are often where it shows first. Collapsed bushes let the wheel angles drift, so you see feathering or one shoulder wearing faster than the rest, commonly the inner edges of the rear tyres on multi-link cars. If a fresh set of tyres has worn oddly, suspect the suspension before blaming the tyres. We read the wear pattern during every suspension inspection because it tells us where to look before anything is dismantled.