Extraneous noises in the engine (Lada Largus 1, 2012-2023)

Typical noise pattern	Possible cause
Clicks reminiscent of the click of a ballpoint pen cap	1. Loose spark plug
	2. Loosely screwed engine components (air conditioning compressor, alternator, power steering pump, etc.)
	3. Dangling rocker arm
	4. Worn rocker arm pivot
	5. Fuel pump (broken return spring in mechanical fuel pump)
	6. Worn camshaft
	7. Leak in the exhaust system
	8. Clap (detonation)
metallic clang	1. Worn piston pin
	2. Broken piston
	3. Excessive valve clearance
	4. Knock of the camshaft drive chain on the cover
A knock that sounds like knocking on a door	1. Bearing (And) connecting rod bottom head
	2. Indigenous (s) bearing (And)
	3. Persistent (e) bearing (And)
	4. Loose Torque Converter
	5. Cracked Drive Disc
Sound like a baby rattle	1. Thermal damper
	2. Broken vibration damper
	3. Loosely screwed engine components
	4. Loose accessory drive belt or belt tensioner
A clattering sound, reminiscent of the clatter of marble balls against each other	1. Bearings of the lower head of the connecting rod2. piston pin
	3. Loose camshaft drive chain
Howling sound of an electric motor	1. Alternator bearing
	2. Drive belt
	3. Power steering
	4. Belt noise (accessory drive or camshaft drive)
A thud like the sound of a door being closed	1. Engine mount
A thud like the sound of a door being closed	2. Drive axle universal joint or constant velocity joint