Nissan Sentra B18 (2020-2025) Service Manual: Symptom Diagnosis. Noise, Vibration and Harshness (nvh) Troubleshooting
Noise, Vibration and Harshness (nvh) Troubleshooting
Nvh Troubleshooting Chart
NVH Troubleshooting Chart
Use the chart below to find the cause of the symptom. The numbers indicate the order of the inspection. If necessary, repair or replace these parts.
|
SUSPECTED PARTS (Possible cause) |
OIL (Oil level is low) |
OIL (Wrong oil) |
OIL (Oil level is high) |
GASKET (Damaged) |
OIL SEAL (Worn or damaged) |
O-RING (Worn or damaged) |
SHIFT CONTROL LINKAGE (Worn) |
SHIFT FORK (Worn) |
GEAR (Worn or damaged) |
BEARING (Worn or damaged) |
BAULK RING (Worn or damaged) |
INSERT SPRING (Damaged) |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Reference |
Inspection |
Exploded View |
Inspection |
Exploded View |
Exploded View |
||||||||
|
Symptoms |
Noise |
1 |
2 |
3 |
3 |
||||||||
|
Oil leaks |
3 |
1 |
2 |
2 |
2 |
||||||||
|
Hard to shift or will not shift |
1 |
1 |
2 |
3 |
3 |
||||||||
|
Jumps out of gear |
1 |
2 |
2 |
||||||||||
Other materials:
Precautions when starting and driving
WARNING
Do not leave children or adults who normally require assistance unattended
in your Nissan Sentra.
Pets should also never be left alone inside the vehicle.
They could accidentally injure themselves or others through unintended
operation of vehicle controls. In addition, on ho ...
Periodic Maintenance
Idle Speed
Idle Speed : Periodic Maintenance
IDLE SPEED : Periodic Maintenance
With
CONSULT
Check idle speed in “DATA MONITOR” mode of
“ENGINE” using CONSULT.
Without CONSULT
Attach induction type (current detection type)
rev counter (A) to loop wire
as sho ...
Combination Switch Output Circuit. Diagnosis Procedure
Diagnosis Procedure
Diagnosis Procedure
CHECK OUTPUT 1 - 6 CIRCUIT FOR OPEN
Ignition switch OFF.
Disconnect BCM connector and combination switch
connectors.
...