Nissan Murano: Engine / Engine Mechanical :: System Description. Noise, Vibration, and Harshness (nvh) Troubleshooting

Nissan Murano (Z52) 2015-2024 Service Manual / Engine / Engine Mechanical :: System Description. Noise, Vibration, and Harshness (nvh) Troubleshooting

NVH Troubleshooting - Engine Noise

1.	Camshaft bearing noise	2.	Piston pin noise	3.	Piston slap noise
4.	Main bearing noise	5.	Connecting rod bearing noise	6.	Water pump noise
7.	Timing chain and chain tensioner noise	8.	Drive belt noise (Sticking/Slipping)	9.	Tappet noise
A.	Valve	B.	Valve mechanism	C.	Rotation mechanism
D.	Drive belt	E.	Timing chain

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

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.

Location of noise	Type of noise	Operating condition of engine						Source of noise	Check item	Reference page
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 page
Top of engine Rocker cover Cylinder head	Ticking or clicking	C	A	—	A	B	—	Tappet noise	Valve clearance	Valve Clearance
Top of engine Rocker cover Cylinder head	Rattle	C	A	—	A	B	C	Camshaft bearing noise	Camshaft journal clearance Camshaft runout	Camshaft
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	On-Nissan Murano Vehicle Service
	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	Cylinder Block
	Knock	A	B	C	B	B	B	Connecting rod bearing noise	Connecting rod bushing clearance (Small end) Connecting rod bearing clearance (Big end)	Connecting Rod Bearing
	Knock	A	B	—	A	B	C	Main bearing noise	Main bearing oil clearance Crankshaft runout	Main Bearing
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	Removal and Installation
Front of engine	Squeaking or fizzing	A	B	—	B	—	C	Drive belts (Sticking or slipping)	Drive belts deflection	Checking Drive Belt
	Creaking	A	B	A	B	A	B	Drive belts (Slipping)	Idler pulley bearing operation	Checking Drive Belt
	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

Engine Mechanical :: Preparation. Preparation

Special Service Tools The actual shape of the tools may differ from those illustrated here. Tool number (TechMate No.) Tool name Description — (J-43897-18) Oxygen sensor thread cleaner Reconditioning the exhaust system threads before installing a new oxygen sensor (Use with anti-seize lubricant shown below...

Engine Mechanical :: Periodic Maintenance

Other information:

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