Nissan Versa (N17): Noise, vibration and harshness (NVH) troubleshooting

Nissan Versa 2nd generation (N17) Service Manual / Engine / Engine mechanical (EM) / Noise, vibration and harshness (NVH) troubleshooting

NVH troubleshooting Chart

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

  1. Locate the area where noise occurs.
  2. Confirm the type of noise.
  3. Specify the operating condition of engine.
  4. Check specified noise source

If necessary, repair or replace these parts.

Location of noise Type of noise Operating condition of engine Source of noise Check item
Before warmup After warmup When starting When idling When racing While driving
Top of engine rocker cover cylinder head Ticking or clicking C A A B Tappet noise Valve clearance
Rattle C A A B C Camshaft bearing noise Camshaft journal oil clearance Camshaft runout
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
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
Knock A B C B B B Connecting rod bearing noise Connecting rod bushing oil clearance Connecting rod bearing oil clearance
Knock A B A B C Main bearing noise Main bearing oil clearance Crankshaft runout
Front of engine front 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 belt (Sticking or slipping) Drive belt deflection
Creaking A B A B A B Drive belt (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

Compression pressure

Inspection Warm up engine and then turn it off. Release fuel pressure. Remove ignition coil and spark plug from each cylinder. Connect engine tachometer (not required in use of CONSULT). ...

Drive belt

Exploded View 1. Generator 2. Water pump 3. Crankshaft pulley 4. A/C compressor (with A/C models) Idler pulley (without A/C models) 5. Idler pulley 6. Drive belt ...

Other materials:

Maintenance under severe operating conditions
The maintenance intervals shown on the preceding pages are for normal operating conditions. If the vehicle is mainly operated under severe driving conditions as shown below, more frequent maintenance must be performed on the following items as shown in the table. Severe driving conditions ...

P0734 4GR Incorrect ratio
Description This malfunction is detected when the A/T does not shift into 4GR position as instructed by TCM. This is not only caused by electrical malfunction (circuits open or shorted) but by mechanical malfunction such as control valve sticking, improper solenoid valve operation, etc. DTC ...

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