more than likely it is your exhaust pipe mounts that need replacing.
knocking noise
Does the knock sound like it is coming from the bottom of the engine or is it more of a tick from the top? How quick do you lose oil?
The acceleration is greatest at the top and bottom of the motion.
if it sounds like the knocking is coming from the bottom of the engine i would bet it was the rods or rod bearings may be worn. if the knocking is on the top ,then i would have the lifters and or the rocker arms checked.
A knocking noise when pedaling a bike could be caused by loose pedals, a loose crank arm, worn bottom bracket bearings, or a misaligned chain.
A saggar maker's bottom knocker is a young boy employed to make the base of a saggar from a lump of fireclay, by knocking it into a metal ring with a wooden mallet.
To determine if the bottom end of an Audi engine has failed, listen for knocking or tapping noises from the engine, especially during acceleration. Check for excessive oil consumption or leaks, which can indicate worn bearings. Additionally, perform an oil pressure test; low pressure can signify bearing wear or damage. Finally, inspect for metal shavings in the oil, as this can indicate significant internal damage.
Wear and tear in the crankcase and/or power train. Your car is talking to you about budgeting for an expensive repair coming up.
Depends on where the noise is originating from, a suspension component, engine (top or bottom?), steering knocking when turning, going over bumps, etc. You need to provide more details before I can point you in the right direction.
If the door is rattling while driving you may need to replace the plastic insulator. Open the door and check the rolling bearing at the bottom.
possible bottom ball joint £17 with delivery on eBay you do not need to change then whole wishbone as i was told
It could sound very bad when it runs. It will sound like a grinding or rumbling or rattling sound when it runs. If it gets very bad it will seize, that is just lock up and quit turning. Dirt bikes have tough lives, and if they get mud or dust in them the bearings in the crank and big end on the rod will start to sound bad before they lock up completely. And you can hold your ear up to the engine when it is running, if there is a ticking or knocking sound coming from the cylinder then that is just the usual wore out piston noise, if there is a rumbling or rattling sound when it runs coming from the bottom of the engine that is the crank or rod bearning.