Depends on the sound of the knock. Could be main bearings or rod bearings.
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
Could be a worn CV joint
possibly distributor. tow to mechanic . if you drive , you could damage your engine.
Bad bearing? Bad connecting rod?
no
it sounds like you have a major problem if the engine knocking is coming from the oil pan that could be a rod knocking. that means having to pull engine and spend a lot of money. good luck you may need it.
There could be loosened internal mounts (connecting rods, pistons, pins, crankshafts or other related parts) in the compressor causing the banging or knocking noise. A simple call to a technician should resolve the issue.
The nature of metal is got expand when heated, So could be a reason to making the Noise.
There could be a problem with low old causes the pistons to rattle. There could also be a problem with the rocker arm.
Macbeth wishes the knocking at the gate could wake Duncan from his sleep after he murders him, so he could continue to act innocent.
u knocking on it