Noise, Vibration And Harshness

WARNING: This page is about a different car, the 2018 Land Rover Discovery Sport. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: As the checks suggested here are open to interpretation, they should be used as a guide only. Descriptions of noises, etc, are in general terms, so depend on a degree of experience on the part of the technician.

SYMPTOM	POSSIBLE CAUSES	ACTION
Rattle/ticking from top of engine	Valve gear noise Camshaft bearing noise Camshaft chain noise Tensioner noise High pressure fuel pump noise	Perform an engine oil pressure test. Check the operation of the hydraulic tappets and the condition of the camshaft. Check the camshaft bearings, chains and tensioners. Check the high pressure fuel pump. Rectify as necessary
Squeaking, creaking or squealing from front of engine	Accessory drive belt Accessory drive belt tensioner Accessory drive belt driven components	Refer to the relevant section of the service information and check the accessory drive belt. Rectify as necessary
Whine, slap or growl from front of engine	Accessory drive belt Accessory drive belt tensioner Accessory drive belt driven components	Refer to the relevant section of the service information and check the accessory drive belt. Rectify as necessary
Knock from lower half of engine (often worse with a cold engine)	Piston slap Piston pin noise Connecting rod bearing noise	Perform an engine oil pressure test. Check pistons, cylinder bores, piston pins and connecting rod bearings for excessive wear. Rectify as necessary
Knock or rumble from lower half of engine (often worse on overrun)	Main bearing noise	Perform an engine oil pressure test. Check connecting rod bearing for excessive wear. Rectify as necessary
Misfire or rough running	Engine management system Fuel charging and controls Valves burnt or sticking Valve guides worn Cylinder bores/piston rings worn Piston rings broken	Refer to the relevant section of the service information and check the engine management system, fuel charging and controls. Perform an engine oil pressure test. Check for excessive wear in engine components. Rectify as necessary