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A "click" or "thump" noise can be caused by several factors, including:
suspension:
Loose or worn suspension components, such as control arm bushings, control arm connections, and struts, can cause rattling noises when climbing over bumps.
Drivetrain:
Worn or damaged drive shafts, constant velocity joints, or differential components can also cause rattling noise.
break:
Worn or loose brake parts such as calipers and rotors can cause a rattling noise when applying and releasing the brakes.
engine:
If the engine rattles, there may be a problem with the engine mounts or the timing belt.
These are just some of the possible causes of knocking noise and an accurate diagnosis can only be made by a specialist after an inspection.
A grinding noise suggests a bearing at fault or perhaps worn pads on the brake rotor.
However, the clunking noise you mention could also point to a problem with the drive shaft or differential.
The first thing you should do is to get under the vehicle and try twisting the propshaft back and forth. If there's any movement this points towards a worn universal joint on the propshaft. A worn universal joint can cause a clunking noise - particularly when pulling away. The vibration caused by a worn universal joint can also damage bearings in the differential and also to the splined ends of the axle shaft.
You're also going to have to remove the wheel from where the noise comes from and examine the end of the axle shaft/bearing.
IF YOU HEAR A CLUNK CLICKING OR KNOCK NOISE YOU HAVE LOOSE DRIVESHAFT BOLTS OR WORN UNIVERSAL JOINT BEARINGS. WORN REAR AXLE BEARINGS WORNED OR DAMAGED.
Is
it a clunk clunk clunk noise? Then you have a CV joint that needs to be
replaced. This is called the CONSTANT VELOCITY JOINT, and helps you
turn the wheel when it is in motion.
It has ball bearings inside and when the housing wears out, they make that clunking noise.
See your mechanic for a change and see if you can replace both wheels at the same time.
Any noise from the rear axle can be coming from many different causes, depending upon exactly what you are doing when the noise happens. Check all mounting points and make sure none of the bushings are loose and that all hardware is tight. Jack up both rear wheels and check for play in the wheel assemblies, Check for any up and down play in the pinion yoke and excessive turning distance in the pinion itself (how far you need to turn the pinion before the rear wheels begin to turn). Also check the driveshaft universal joints for rust or excessive play. You need to find what is worn or broken before you can fix the problem. If you can duplicate the noise while standing still, have someone look underneath while you get it to make the noise. You may actually be able to see what is moving.
The clunk you are hearing when the car is placed into drive is the "slack" in the drive train being taken out. It should pose no problem and without knowing the type of car you are driving is difficult to judge if it may be something more serious. If anything it could be the universal or CV (constant Velocity) joints making the sound from excess wear. The clanking when the wheel is turned could be CV joints getting old and needing replaced (Front wheel drive and 4WD only. Rear Wheel drive Universal Joint) or it could be excessively worn parts in the steering system. Definitely have this looked at.
Some is typical and some could be sign of worn u joints Have u joints inspected for loosness When in 4 wheel drive the front and read tires compete with eachother especially when turning causing a hopping or chirping. U joints are under alot of stress in tight turns and might make nois as well again check to see if worn and at the same time lube them if equiped with fittings
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