Facelift Clunk when braking

[Jiten C]

Hey guys hope you can help?

I’ll do my best to describe the situation, The clunk sound I am referring to occurs in the below example specially when changing from D to R and vice versa...

Gearbox in Drive
Come to a stop to reverse park into a bay
Gearbox into Reverse
Turn wheel
Accelerator pedal as required to get into bay
**CLUNK** when pressing brake pedal
Gearbox in Drive
Straighten wheel
Accelerate pedal to move forward
**CLUNK** when pressing brake pedal
Gearbox into Reverse
**CLUNK** when initially pressing brake pedal as I come to a stop In the bay.

Has anyone experienced anything like this?

Car is a 2018 FL S3. Haldex oil changed 800 miles ago, vehicle purchased 2 months ago, brake discs and pads have plenty of life in them. Feels like a brake component or a bush of some sort. No clunks or issues with gear changes or over bumps etc. Mag-ride calibrated recently too and issue was there prior to this.

TIA
Jit


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[Damo S]

So it requires braking whilst travelling in one direction (forward or back) -> then move in the opposite direction -> brake again whilst moving?
If so I've had occur under 2 different scenarios. 1) Worn suspension bushes (more of a clonk). 2) New break pads which didnt fit quite right and were moving about in the caliper (more of a higher pitched clicky clonk).
The latter got worse and worse to the point that they were also rattling when going over very bad road surface. At this point I believe it also caused problems with the running of the car which i assume was the rattling noise firing off the knock sensor.

 

[Alan66]

Possibly loose or incorrectly tightened wheel nuts


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