SQUEAK AND RATTLE TROUBLE DIAGNOSESIP-9
< SYMPTOM DIAGNOSIS >
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If possible, drive the vehicle with the customer until the noise is duplicated. Note any additional information on
the Diagnostic Worksheet regarding the conditions or lo cation of the noise. This information can be used to
duplicate the same conditions when you confirm the repair.
If the noise can be duplicated easily during the test drive, to help identify the source of the noise, try to dupli-
cate the noise with the vehicle stopped by doing one or all of the following:
1) Close a door.
2) Tap or push/pull around the area where the noise appears to be coming from.
3) Rev the engine.
4) Use a floor jack to recreate vehicle “twist”.
5) At idle, apply engine load (electrical load, half-clutch on M/T model, drive position on CVT and A/T models).
6) Raise the vehicle on a hoist and hit a tire with a rubber hammer.
• Drive the vehicle and attempt to duplicate the conditions the customer states exist when the noise occurs.
• If it is difficult to duplicate the noise, drive the vehicle slowly on an undulating or rough road to stress the
vehicle body.
CHECK RELATED SERVICE BULLETINS
After verifying the customer concern or symptom, che ck ASIST for Technical Service Bulletins (TSBs) related
to that concern or symptom.
If a TSB relates to the symptom, follow the procedure to repair the noise.
LOCATE THE NOISE AND IDENTIFY THE ROOT CAUSE
1. Narrow down the noise to a general area. To help pi npoint the source of the noise, use a listening tool
(Chassis Ear: J-39570, Engine Ear: J-39565 and mechanic's stethoscope).
2. Narrow down the noise to a more specific area and identify the cause of the noise by: • removing the components in the area that you suspect the noise is coming from.Do not use too much force when removing clips and fasteners, otherwise clips and fasteners can be
broken or lost during the repair, resulting in the creation of new noise.
• tapping or pushing/pulling the component that you suspect is causing the noise.
Do not tap or push/pull the component with excessive force, otherwise the noise will be eliminated only
temporarily.
• feeling for a vibration with your hand by touching the component(s) that you suspect is (are) causing the
noise.
• placing a piece of paper between components that you suspect are causing the noise.
• looking for loose components and contact marks. Refer to IP-9, "Generic Squeak and Rattle Troubleshooting"
.
REPAIR THE CAUSE
• If the cause is a loose component, tighten the component securely.
• If the cause is insufficient clearance between components:
- separate components by repositioning or loos ening and retightening the component, if possible.
- insulate components with a suitable insulator such as urethane pads, foam blocks, felt cloth tape or urethane
tape. A NISSAN Squeak and Rattle Kit (J-50397) is av ailable through your authorized NISSAN Parts Depart-
ment.
CAUTION:
Do not use excessive force as many components are constructed of plastic and may be damaged.
NOTE:
• Always check with the Parts Department for the latest parts information.
• The materials contained in the NISSAN Squeak and Rattle Kit (J-50397) are listed on the inside cover of the
kit; and can each be ordered seperately as needed.
• The following materials not found in the kit can also be used to repair squeaks and rattles.
- SILICONE GREASE: Use instead of UHMW tape that will be visible or does not fit. The silicone grease will
only last a few months.
- SILICONE SPRAY: Use when grease cannot be applied.
- DUCT TAPE: Use to eliminate movement.
CONFIRM THE REPAIR
Confirm that the cause of a noise is repaired by test driving the vehicle. Operate the vehicle under the same
conditions as when the noise originally occurred. Refer to the notes on the Diagnostic Worksheet.
Generic Squeak and Rattle TroubleshootingINFOID:0000000009889929
Refer to Table of Contents for specific component removal and installation information.
Revision: November 20132014 Altima NAM
IP-10
< SYMPTOM DIAGNOSIS >
SQUEAK AND RATTLE TROUBLE DIAGNOSES
INSTRUMENT PANEL
Most incidents are caused by contact and movement between:
1. Cluster lid A and the instrument panel
2. Acrylic lens and combination meter housing
3. Instrument panel to front pillar finisher
4. Instrument panel to windshield
5. Instrument panel pins
6. Wiring harnesses behind the combination meter
7. A/C defroster duct and duct joint
These incidents can usually be located by tapping or moving the components to duplicate the noise or by
pressing on the components while driving to stop the noise. Most of these incidents can be repaired by apply-
ing felt cloth tape or silicone spray (in hard to reach areas). Urethane pads can be used to insulate wiring har-
ness.
CAUTION:
Do not use silicone spray to isolate a squeak or ra ttle. If you saturate the area with silicone, you will
not be able to recheck the repair.
CENTER CONSOLE
Components to pay attention to include:
1. Shift selector assembly cover to finisher
2. A/C control unit and cluster lid C
3. Wiring harnesses behind audio and A/C control unit
The instrument panel repair and isolation pr ocedures also apply to the center console.
DOORS
Pay attention to the:
1. Finisher and inner panel making a slapping noise
2. Inside handle escutcheon to door finisher
3. Wiring harnesses tapping
4. Door striker out of alignment causing a popping noise on starts and stops
Tapping or moving the components or pressing on them wh ile driving to duplicate the conditions can isolate
many of these incidents. You can usually insulate the areas with felt cloth tape or insulator foam blocks from
the NISSAN Squeak and Rattle Kit (J-50397) to repair the noise.
TRUNK
Trunk noises are often caused by a loose jack or loose items put into the trunk by the owner.
In addition look for:
1. Trunk lid bumpers out of adjustment
2. Trunk lid striker out of adjustment
3. The trunk lid torsion bars knocking together
4. A loose license plate or bracket
Most of these incidents can be repaired by adjusting, se curing or insulating the item(s) or component(s) caus-
ing the noise.
SUNROOF/HEADLINING
Noises in the sunroof/headlining area c an often be traced to one of the following:
1. Sunroof lid, rail, linkage or seals making a rattle or light knocking noise
2. Sun visor shaft shaking in the holder
3. Front or rear windshield touching headlining and squeaking
Again, pressing on the components to stop the noise while duplicating the conditions can isolate most of these
incidents. Repairs usually consist of insulating with felt cloth tape.
OVERHEAD CONSOLE (FRONT AND REAR)
Overhead console noises are often caused by the c onsole panel clips not being engaged correctly. Most of
these incidents are repaired by pushing up on the c onsole at the clip locations until the clips engage.
In addition look for:
Revision: November 20132014 Altima NAM
SQUEAK AND RATTLE TROUBLE DIAGNOSESIP-11
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1. Loose harness or harness connectors.
2. Front console map/reading lamp lens loose.
3. Loose screws at console attachment points.
SEATS
When isolating seat noise it's important to note the pos ition the seat is in and the load placed on the seat when
the noise is present. These conditions should be duplic ated when verifying and isolating the cause of the
noise.
Cause of seat noise include:
1. Headrest rods and holder
2. A squeak between the seat pad cushion and frame
3. The rear seatback lock and bracket
These noises can be isolated by moving or pressing on the suspected components while duplicating the con-
ditions under which the noise occurs. Most of thes e incidents can be repaired by repositioning the component
or applying urethane tape to the contact area.
UNDERHOOD
Some interior noise may be caused by components under the hood or on the engine wall. The noise is then
transmitted into the passenger compartment.
Causes of transmitted underhood noise include:
1. Any component installed to the engine wall
2. Components that pass through the engine wall
3. Engine wall mounts and connectors
4. Loose radiator installation pins
5. Hood bumpers out of adjustment
6. Hood striker out of adjustment
These noises can be difficult to isolate since they cannot be reached from the interior of the vehicle. The best
method is to secure, move or insulate one component at a time and test drive the vehicle. Also, engine rpm or
load can be changed to isolate the noise. Repairs can usually be made by moving, adjusting, securing, or
insulating the component causing the noise.
Revision: November 20132014 Altima NAM
INSTRUMENT LOWER PANEL LHIP-21
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INSTRUMENT LOWER PANEL LH
Removal and InstallationINFOID:0000000009461386
REMOVAL
1. Remove the instrument side finisher (LH) (1) using a suitable tool.
2. Remove the hood lock/fuel filler door release handle assembly from the instrument lower panel LH. Refer to DLK-175, "HOOD LOCK CONTRO L : Component Parts Location"
.
3. Release the instrument lower panel LH metal clips and pawls using a suitable tool.
: Metal clip
: Pawl
4. Disconnect the harness connectors from the instrument lower panel LH.
5. Remove the aspirator hose from the instrument lower panel LH.
6. Remove the instrument lower panel LH.
INSTALLATION
Installation is in the reverse order of removal.
ALJIA0018ZZ
ALJIA0925ZZ
Revision: November 20132014 Altima NAM
LAN-14
< SYSTEM DESCRIPTION >[CAN FUNDAMENTAL]
TROUBLE DIAGNOSIS
NOTE:
When data link connector branch line is open, transmiss ion and reception of CAN communication signals are
not affected. Therefore, no symptoms occur. However, be sure to repair malfunctioning circuit.
Example: CAN-H, CAN-L Harness Short Circuit
CAN Diagnosis with CONSULTINFOID:0000000009461398
CAN diagnosis on CONSULT extracts the root c ause by receiving the following information.
Unit name Major symptom
ECM
Normal operation.
BCM
EPS control unit
Combination meter
ABS actuator and electric unit (control unit)
TCM
IPDM E/R
JSMIA0445GB
Unit name Major symptom
ECM • Engine torque limiting is affected, and shift harshness increases.
• Engine speed drops.
BCM • Reverse warning buzzer does not sound.
• The front wiper moves under continuous operation mode even though the front wiper switch being in the intermittent position.
• The room lamp does not turn ON.
• The engine does not start (if an error or malfunction occurs while turning the igni- tion switch OFF.)
• The steering lock does not release (if an error or malfunction occurs while turning the ignition switch OFF.)
EPS control unit The steeri ng effort increases.
Combination meter • The tachometer and the speedometer do not move.
• Warning lamps turn ON.
• Indicator lamps do not turn ON.
ABS actuator and electric unit (control unit) Normal operation.
TCM No impact on operation.
IPDM E/R When the ignition switch is ON,
• The headlamps (Lo) turn ON.
• The cooling fan continues to rotate.
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LAN
SYSTEMLAN-33
< SYSTEM DESCRIPTION > [CAN]
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Engine status signal T R R R R
Fuel consumption monitor signal T R R
Fuel filler cap warning display signal T R
Malfunctioning indicator lamp signal TR
RT
Oil pressure warning lamp signal T R
Power generation command value
signal TR
Target throttle position signal T R
Wide open throttle position signal T R
EPS operation signal R T
Hydraulic pump electric power steer-
ing warning lamp signal TR
Detention switch signal T R R
Front wiper stop position signal T R
High beam status signal R T
Hood switch signal T R
Interlock/PNP switch signal RT
TR R
Low beam status signal R T
Oil pressure switch signal RT
TR R
Push-button ignition switch status
signal TR
Rear window defogger control signal R T
Sleep ready signal T R
Starter relay status signal T R
Steering lock unit status signal T R
Steering lock relay signal RT
TR
Current gear position signal T R R
CVT position indicator signal T R R
Input shaft revolution signal R T R R
Manual mode indicator signal T R R
N range signal T R
Output shaft revolution signal R T R R
O/D OFF indicator signal
*1TR R
P range signal T R R
Shift position signal T R R
Brake fluid level signal T R
Distance to empty signal T R
Fuel filler cap warning reset signal R T
Fuel level low warning signal T R
Fuel level sensor signal R T Signal name
ECM
EPS
IPDM-E TCM
M&A
STRG AV
AV M
HVAC ABS
BCM
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PREPARATIONLU-5
< PREPARATION > [QR25DE]
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PREPARATION
PREPARATION
Special Service ToolINFOID:0000000009461024
The actual shapes of the tools may differ from those illustrated here.
Commercial Service ToolINFOID:0000000009461025
Tool number
(TechMate No.)
Tool name Description
ST25051001
(J-25695-1)
Oil pressure gauge Measuring oil pressure
Maximum measuring range:
2,452 kPa (25 kg/cm
2, 356 psi)
ST25052000
(J-25695-2)
Hose Adapting oil pressure gauge to cylinder block
KV10115801
(J-38956)
Oil filter wrench Removing and installing oil filter
a: 64.3mm (2.531 in)
K V 1 0 1111 0 0
(J-37228)
Seal cutter Removing oil pan
S-NT050
S-NT559
S-NT375
S-NT046
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LUBRICATION SYSTEMLU-7
< SYSTEM DESCRIPTION > [QR25DE]
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SYSTEM DESCRIPTION
LUBRICATION SYSTEM
Lubrication CircuitINFOID:0000000009461026
ALBIA0942ZZ
1. Camshaft (INT) 2. Chain tensioner 3. Main gallery
4. Oil pan 5. Oil cooler 6. Balancer unit
7. Oil pan oil gallery 8. Oil filter (with relief valve) 9. Oil Strainer
10. Oil pump 11. Timing chain and balancer unit timing chain oil jet12. Intake valve timing control solenoid
valve
13. Intake valve timing control cover 14. Intake valve timing intermediate lock control solenoid valve15. Exhaust valve timing control solenoid
valve
16. Front cover 17. Exhaust valve timing controller 18. Intake valve timing controller
19. Camshaft (EXH)
Revision: November 20132014 Altima NAM