Knocking noise

Afternoon all

When reversing there is a noise coming from the front end, it only happens once whilst reversing then if i was to stop and reverse again after a few meters it knocks once again.

It doesn't sound metallic but is loud enough to be easily heard.

Car is still under warranty and needs to go in for a new door handle.

Hope you can help
 
just been messing around in the car and can tell you that the knock is coming from the front driver side brake. I have just had new pads put on it and the noise wasn't there before.

Next time your reversing touch the break and see if it makes a noise and let me no