The knock-tuk sounds heard on the rough road are considered by most drivers as "old car sound". However, these voices; It may be the first warning of a part that directly affects safety. The important thing is not to hear the voice, Which sound comes from which piece? distinguish Because there is not a single "piece of noise" in the suspension: five different components can make the same sound.
First guess by voice type
| Sound/condition | Possible source |
|---|---|
| "Tak" at the speed bump | Anti-roll bar (stabilizer) bushing or tie rod |
| Constant "knock-tuk" on the rough road | Control arm bushing, suspension mount |
| "Knock" when turning the steering wheel | Shock absorber upper bearing or axle joint |
| "Squeak" on slow start | Rubber bushings drying out |
| "Clack" when braking + sound when changing direction | Pad housing clearance or suspension link |
| Tremor (in the steering wheel, not in the voice) | Wheel balancing, tires, pads |
Most common ingredients
- Anti-roll bar connecting rods (Z tie rod): It is a small and economical part; It is the most common cause of bumping noises.
- Control arm bushings: Rubber bushings harden over time, crack and create gaps.
- Shock absorber upper bearings: It makes a clicking sound when turning the steering wheel.
- Shock absorbers: Oil leakage and weakened damping cause not only noise but also loss of handling.
- Engine/transmission mounts: Jerking and "clunking" noise when starting and stopping.
- Exhaust hanger mounts: Metallic vibration sounds.
Why don't we replace parts by guessing?
Because suspension sounds do not repeat without the vehicle moving. To verify sound in the workshop:
- Road test: It is clarified at what speed and in what path the sound comes out.
- Lift control: In the lifted vehicle, bushing, rod and connection clearances are tested manually.
- Rough ground simulation: If necessary, the suspension is loaded and the source of the sound is listened to.
These three steps eliminate the “let’s replace all the wedges” approach; Only the truly faulty part is replaced.
Why is it important for driving safety?
Although the tak-tuk sound may seem like "just sound":
- hollow rocker bushing, accelerates tire wear,
- Weak shock absorber, extends braking distance,
- broken link, makes directional control difficult in an emergency.
That is why there are no days lost waiting for a head shop or a lathe: the engine is stripped, machined, assembled and warranted under one roof.
3 Questions we will ask you at the check-up
- At what speed and on what path does the sound sound?
- While steering or crossing a bump?
- Did the noise start after the last maintenance?
These three answers greatly speed up diagnosis.
Is there a knock-tuk sound in your vehicle? Say the conditions of the sound; Let's make a preliminary evaluation on the phone and create a control plan.
Does your vehicle have such a symptom?
Explain the symptom over the phone; Let us provide preliminary information free of charge and make an appointment if necessary.
Serdar Özdemir +90 544 416 44 08
this article Osman Karaçör Prepared by (Repair Supervisor · technician); It was checked by our workshop team before publication. · Last update: