Use The Chart Below To Help You Find The Cause Of The Symptom

If necessary, repair or replace these parts.

Location of noise	Type of noise	Operating condition of engine						Source of noise	Check item	Reference
Location of noise	Type of noise	Before warm-up	After warm-up	When starting	When idling	When racing	While driving	Source of noise	Check item	Reference
Top of engine Rocker cover Cylinder head	Ticking or clicking	C	A	--	A	B	--	Tappet noise	Valve clearance	Inspection
Top of engine Rocker cover Cylinder head	Rattle	C	A	--	A	B	C	Camshaft bearing noise	Camshaft runout Camshaft journal oil clearance	Inspection
Crankshaft pulley Cylinder block (Side of engine) Oil pan	Slap or knock	--	A	--	B	B	--	Piston pin noise	Piston to piston pin oil clearance Connecting rod bushing oil clearance	Cylinder Block
	Slap or rap	A	--	--	B	B	A	Piston slap noise	Piston to cylinder bore clearance Piston ring side clearance Piston ring end gap Connecting rod bend and torsion	Cylinder Block
	Knock	A	B	C	B	B	B	Connecting rod bearing noise	Connecting rod bushing oil clearance Connecting rod bearing oil clearance	Cylinder Block
	Knock	A	B	--	A	B	C	Main bearing noise	Main bearing oil clearance Crankshaft runout	Cylinder Block
Front of engine Timing chain case	Tapping or ticking	A	A	--	B	B	B	Timing chain and timing chain tensioner noise	Timing chain cracks and wears Timing chain tensioner operation	Inspection
Front of engine	Squeaking or fizzing	A	B	--	B	--	C	Drive belts (Sticking or slipping)	Drive belts deflection	Tension Adjustment
	Creaking	A	B	A	B	A	B	Drive belts (Slipping)	Idler pulley bearing operation	Tension Adjustment
	Squall Creak	A	B	--	B	A	B	Water pump noise	Water pump operation	Removal and Installation

A: Closely related, B: Related, C: Sometimes related, --: Not related