A hole in the muffler would cause a knocking sound in your muffler. A loose exhaust pipe can also cause a knocking noise.
possibly hitting the front bumper
Worn Ball Joint
Perhaps a worn CV joint (usually more of a clicking sound when turning), but there are many components in the front end of a motor vehicle that could cause a knocking (or similar) sound, including suspension components, brakes, steering components and bearings. Worn tie rods, by the way, do not normally cause a knocking sound, but result in very loose feeling steering and noticeable drift, especially at highway speeds. A knocking sound is more likely to be an engine problem, such as pre-ignition. If you are not accustomed to diagnosing these sounds, you will best best off to see a qualified mechanic, or a friend who is more familiar with the front-end components of a motor vehicle.
you re rear axle i just replaced mine it probably the front pinion bearing
A seized gear can cause a knocking sound on a 1987 Nissan 5 speed transmission. A blown gasket can also cause this sound.
Could be a worn CV joint
My 2000 Grand Prix would have a low-speed knocking noise coming from the drivers side as the CV axle was failing. The loss of lubrication in the CV Boots allows the joint to make a knocking/tapping sound at a low speed. If the knocking is coming from the engine compartment, then it could be an entirely different problem.
If it's knocking it's probably a rod going out - if it's ticking it could just be the valves - Rodeos are notorious for value noise...
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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
Bad bearing or rod
your car being broke get it checked out
can you elaborate? engine noise? stationary/moving? ticking, tapping or a definite knocking?
extreme cold temperatures might cause Mazda rf diesil to make knocking sound , however; it is recommended that you get it checked from the mechanic.
the cause of this is probably a bad u joint
Could be, loose lug nuts on front left wheel, a damaged left front brake rotor, a bad left front hub/bearing assembly, a worn/damaged CV axle joint,
Could be the brake caliper or the CV joint going.
if you have an electrical fuel pump can sometimes do that
Most likely you need a new strut
change fuel pump
Bad CV joint, loose rim, Loose caliper