many many things, Loose lug nuts which lets wheel make knocking noise. Engine will make a knocking noise if it is really low on oil. Some timing belts make a knocking, slapping noise just before they break.These are just a few examples . Have someone ride in car with you as you duplcate the noise and see if they can determine which part of the vehicle it is coming from.
You forgot to let your wife in
It's really hard to understand what you're asking here."What causes a knocking sound when your car drops into a hole while driving?"If that's your question, I imagine that it would be the sound of your car dropping into a hole.
Gearbox oil needs changing.
Bad CV joint, loose rim, Loose caliper
The combination of fuel still being pumped into the engine and air
If it only happens when backing up, you may have the parking brake engaged.
Driving at 50mph or above what causes a loud knocking clicking sound during acceleration?
Check the drive axle for a broken and leaking boot or bad CV joint.
You need to get your car checked.
Possible cam chain tensioner has broke.these tensioners are none adjustable and sometimes brake causing a knocking sound in the motor
Sounds like a piston hitting the cylinder head. A lifter will usually tick, but a piston will sound more like this knocking noise.
counterbalancer is bad
Mine did the same, mine was a motor mount.
Your rear tire could be making a knocking sound for a number of reasons. You could have a damaged strut or axle that needs replacing.?æ
A loud knocking noise in the motor of a car at high speeds is most likely the engine. There could be another issue with the transmission if the knocking only happens at high speeds.
Get it fixed.
your car being broke get it checked out
Because it just does. That's why.
Bad ball joint
it could be your valves or your engine
If the brakes are too loose that could be a result.
Could be a worn CV joint
A other small child
are you sure the noise is coming from the transmission. most cars will make a knocking sound due to the lifters being a little stuck. to see if it is a lifter noise, at the net oil change use a qt of lucas oils. there will be one that says something about lifter noises on the front, found at any parts store