Use the Chart Below to Help You Find the Cause of the Symptom.

WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

Locate the area where noise occurs.
Confirm the type of noise.
Specify the operating condition of engine.

Check specified noise source. Repair or replace the identified part as necessary.

PROBLEM SYMPTOM TABLE - ENGINE NOISE, VIBRATION AND HARSHNESS

Location of noise	Type of noise	Operating condition of engine						Source of noise	Check item
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
Top of engine Rocker cover Cylinder head	Ticking or clicking	C	A	-	A	B	-	Tappet noise	Valve clearance
Top of engine Rocker cover Cylinder head	Rattle	C	A	-	A	B	C	Camshaft bearing noise	Camshaft journal clearance Camshaft runout
Crankshaft pulley Cylinder block (Side of engine) Oil pan	Slap or knock	-	A	-	B	B	-	Piston pin noise	Piston and piston pin clearance Connecting rod bushing clearance
	Slap or rap	A	-	-	B	B	A	Piston slap noise	Piston-to-bore clearance Piston ring side clearance Piston ring end gap Connecting rod bend and torsion
	Knock	A	B	C	B	B	B	Connecting rod bearing noise	Connecting rod bushing clearance (Small end) Connecting rod bearing clearance (Big end)
	Knock	A	B	-	A	B	C	Main bearing noise	Main bearing oil clearance Crankshaft runout
Front of engine Timing chain cover	Tapping or ticking	A	A	-	B	B	B	Timing chain and chain tensioner noise	Timing chain cracks and wear Timing chain tensioner operation
Front of engine	Squeaking or fizzing	A	B	-	B	-	C	Drive belts (Sticking or slipping)	Drive belts deflection
	Creaking	A	B	A	B	A	B	Drive belts (Slipping)	Idler pulley bearing operation
	Squall Creak	A	B	-	B	A	B	Water pump noise	Water pump operation
A: Closely related B: Related C: Sometimes related -: Not related