What causes the abnormal noise in the new Santana three seconds after ignition?

[McBethany]

New Santana engine abnormal noise after ignition is caused by belt slippage. Below is an introduction to engine belt slippage and abnormal noise: Causes of engine belt slippage: It is usually due to damaged bearings in the generator, water pump, or power steering pump; if it is a sound of air leakage during engine operation, it may be caused by a blocked exhaust system, vacuum tube leakage, or breakage. Engine abnormal noise indicates that the technical state of a certain engine mechanism has changed, mainly caused by excessive wear of some parts or improper assembly and adjustment. Solutions for engine abnormal noise: Issues caused by engine oil require timely replacement; problems with the timing system need replacement; loose or aged engine mounts require repair and replacement; issues caused by the throttle need cleaning. Abnormal noises in motor vehicles must not be ignored, as they can pose safety risks to vehicle usage.