EM-84
< UNIT REMOVAL AND INSTALLATION >[QR25DE]
ENGINE ASSEMBLY
Removal and Installation
INFOID:0000000009460508
WARNING:
• Place chocks at the front and back of the rear wheels.
• For engines not equipped with slin gers, attach proper slingers and bolts as described in the Parts
Catalog.
CAUTION:
• Do not start working until the exh aust system and coolant are cool.
• If items or work required are not covered by the en gine main body section, follow the applicable pro-
cedures.
• Use the correct supporting points for lifting and jacking. Refer to GI-33, "Garage Jack and Safety
Stand".
• In removing the drive shaft, be careful not to damage the grease seals on the transaxle.
NOTE:
When removing components such as hoses, tubes/lines, etc. , cap or plug openings to prevent fluid from spill-
ing.
REMOVAL
1. Remove engine cover using power tool. Refer to EM-28, "Removal and Installation".
2. Release fuel pressure. Refer to EC-182, "Work Procedure"
.
3. Disconnect the negative and positive battery terminal. Refer to PG-73, "Removal and Installation (Bat-
tery)".
4. Disconnect the fuel rail at the fuel hose quick connector (engine side). Refer to EM-41, "Removal and
Installation".
5. Drain the engine coolant. Refer to CO-12, "Changing Engine Coolant"
.
6. Remove the engine under cover. Refer to EXT-28, "Removal and Installation"
.
7. Remove hood assembly. Refer to DLK-170, "HOOD ASSEMBLY : Removal and Installation"
.
8. Remove core support cover.
9. Remove the front air duct and air cleaner case assembly. Refer to EM-29, "Removal and Installation"
.
10. Remove battery and battery tray. Refer to PG-74, "Removal and Installation (Battery Tray)"
.
11. Remove cowl top. Refer to EXT-24, "Removal and Installation"
.
12. Remove strut brace. Refer to FSU-19, "Exploded View"
.
13. Disconnect EVAP hose and vacuum hose from intake manifold.
14. Remove upper and lower radiator hoses (engine side).
15. Remove CVT cooler lines.
16. Disconnect engine room harness connecto r at the CVT and ECM connectors.
CAUTION:
Protect the harness connector with plastic bags or suitable covering to help prevent damage and
intrusion of foreign mate rials into the connectors.
17. Remove the brake booster vacuum hose.
18. Disconnect the heater hoses.
19. Remove the front wheels and tires using a power tool. Refer to WT-55, "Adjustment"
.
20. Remove the fender protector side covers (RH) and (LH). Refer to EXT-26, "FENDER PROTECTOR :
Removal and Installation".
21. Remove tie rod ends from the steering knuckles. Refer to ST-36, "Removal and Installation"
.
22. Remove the power steering gear bolts and support the power steering gear. Refer to ST-36, "Exploded
View".
23. Remove rear cover plate.
24. Remove the torque converter nuts.
25. Remove the rear engine mount torque rod.
26. Remove front exhaust tube and gaskets. Refer to EX-5, "Exploded View"
.
G. 90 N·m (9.2 kg-m, 66 ft-lb) H. 103 N·m (11 kg-m, 76 ft-lb) J. Follow installation procedure
Front
Revision: November 20132014 Altima NAM
FRONT TIMING CHAIN CASEEM-175
< REMOVAL AND INSTALLATION > [VQ35DE]
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REMOVAL
1. Remove engine under cover. Refer to
EXT-28, "Removal and Installation".
2. Drain the engine coolant from the radiator. Refer to MA-23, "ENGINE COOLANT : Changing Engine Cool-
ant".
3. Drain the engine oil. Refer to MA-27, "ENGINE OIL : Changing Engine Oil"
.
4. Drain the power steering fluid. Refer to ST-30, "Draining and Refilling"
.
5. Remove engine room cover. Refer to EM-143, "Removal and Installation"
.
6. Remove front air duct. Refer to EM-144, "Removal and Installation"
.
7. Remove battery tray. Refer to PG-74, "Removal and Installation (Battery Tray)"
.
8. Remove the hood ledge covers (LH/RH).
9. Remove cowl top and cowl top extension. Refer to EXT-24, "Removal and Installation"
.
10. Remove upper radiator hose.
11. Disconnect engine coolant reservoir hose from t he radiator and remove engine coolant reservoir.
12. Remove cooling fan assembly. Refer to CO-42, "Removal and Installation"
.
13. Disconnect lower radiator hose from engine.
14. Remove the radiator. Refer to CO-41, "Removal and Installation"
.
15. Disconnect the power steering fluid reservoir tank hose from the power steering pump and fluid cooler and
remove the power steering fluid reservoir tank. Refer to ST-38, "Exploded View"
.
16. Remove the front RH wheel and tire. Refer to MA-39, "WHEELS : Adjustment"
.
17. Remove the fender protector side cover (RH). Refer to EXT-26, "FENDER PROTECTOR : Removal and
Installation".
18. Remove the drive belt. Refer to EM-134, "Removal and Installation"
.
19. Remove the rocker covers, if necessary. Refer to EM-168, "Removal and Installation LH"
and EM-169,
"Removal and Installation RH".
NOTE:
Necessary only when removing timing chains.
20. If removing the timing chains, obtain compression TDC of No. 1 cylinder as follows:
a. Rotate crankshaft pulley clockwise to align timing mark (grooved line without color) with timing indicator.
b. Check that intake and exhaust camshaft lobes on No. 1 cylinder (right bank of engine) are located as shown.
• If not, turn the crankshaft one revolution (360 °) and align as
shown.
21. Remove the access plate and lock the ring gear using Tool. CAUTION:
JMBIA1135GB
SEM418G
Tool number : — (J-50288)
Revision: November 20132014 Altima NAM
ENGINE ASSEMBLYEM-221
< UNIT REMOVAL AND INSTALLATION > [VQ35DE]
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• Do not damage the edge of the crankshaft
position sensor (POS) or the ring gear teeth.
REMOVAL
NOTE:
When removing components such as hoses, tubes/lines, etc. , cap or plug openings to prevent fluid from spill-
ing.
1. Remove hood assembly. Refer to DLK-170, "HOOD ASSEMBLY : Removal and Installation"
.
2. Release fuel pressure. Refer to FL-5, "Inspection"
.
3. Drain engine coolant. Refer to CO-36, "Changing Engine Coolant"
.
4. Drain power steering fluid. Refer to ST-30, "Draining and Refilling"
.
5. Remove front wheels and tires (RH/LH). Refer to WT-55, "Adjustment"
.
6. Remove fender protector side covers (RH/LH). Refer to EXT-26, "FENDER PROTECTOR : Removal and
Installation".
7. Remove the engine under cover. Refer to EXT-17, "Removal and Installation"
.
8. Remove the engine room cover. Refer to EM-143, "Removal and Installation"
.
9. Remove air duct hose and resonator assembly and air cleaner case assembly with mass air flow sensor.
Refer to EM-144, "Removal and Installation"
.
10. Remove battery and battery tray. Refer to PG-74, "Removal and Installation (Battery Tray)"
.
11. Remove transmission control module. Refer to TM-183, "Removal and Installation"
.
12. Remove cowl top. Refer to EXT-24, "Removal and Installation"
.
13. Remove strut brace using power tools. Refer to FSU-19, "Exploded View"
.
14. Remove IPDM E/R. Refer to PCS-32, "Removal and Installation"
.
15. Remove the following parts: • EVAP vacuum hose
• Brake booster vacuum hose
• Heater hoses (engine side)
16. Disconnect transaxle shift control cables. Refer to TM-380, "Removal and Installation"
.
17. Remove upper and lower radiator hoses.
18. Disconnect CVT fluid cooler hoses.
19. Remove power steering reservoir, suction hose and high pressure hose.
20. Disconnect fuel hose quick connection at vehicle piping side. Refer to EM-163, "Removal and Installa-
tion".
21. Remove the front exhaust tube using power tools. Refer to EX-10, "Exploded View"
.
22. Discharge and recover the R134a refrigerant. Refer to HA-23, "Recycle Refrigerant"
.
23. Remove the A/C compressor using power tools. Refer to HA-30, "COMPRESSOR : Removal and Installa-
tion".
24. Install engine slingers into front of LH cylinder head and rear of RH cylinder head.
• (A): RH cylinder head
ALBIA0262GB
Revision: November 20132014 Altima NAM
EM-222
< UNIT REMOVAL AND INSTALLATION >[VQ35DE]
ENGINE ASSEMBLY
• (B): LH cylinder head
25. Remove rear cover plate.
26. Remove the torque converter nuts.
27. Remove nuts of stabilizer connecting rods from struts. Refer to FSU-19, "Exploded View"
.
28. Remove front wheel speed sensors and position aside. Refer to BRC-124, "Removal and Installation -
Front Wheel Sensor".
29. Remove front brake rotors. Refer to BR-36, "BRAKE CALIPER ASSEMBLY : Removal and Installation"
.
30. Remove piston rod nut. Refer to FSU-19, "Exploded View"
.
31. Remove front drive shaft (LH/RH). Refer to FAX-10, "Removal and Installation (LH)"
and FAX-12,
"Removal and Installation (RH)".
32. Remove RH drive shaft center bearing bracket.
33. Remove lower steering column pinch bolt. Refer to ST-33, "Exploded View"
.
34. Remove three way catalyst (manifold) (bank 1) heat shield.
35. Disconnect front and rear engine mounting insulator vacuum hoses.
36. Remove front and rear engine mounting insulator nut.
37. Position a suitable support table under suspension member and engine assembly. TM-206, "Removal and
Installation"
38. Disconnect the engine mounting insulator (LH), upper torque rod, and engine mounting insulator (RH).
39. For additional safety, secure the engine in position with suitable tool.
40. Remove suspension member bolts. Refer to FSU-19, "Exploded View"
.
41. Carefully lower the engine, transaxle assembly and suspension member using Tool, avoiding interference
with the vehicle body.
CAUTION:
• Before and during this procedure, alw ays check if any harnesses are left connected.
• Avoid any damage to, or any oil/grease smearin g or spilling onto the engine mounting insula-
tors.
42. Remove the starter motor. Refer to STR-23, "VQ35DE : Removal and Installation"
.
43. Remove the crankshaft position sensor (POS).
44. Remove engine and transaxle harness.
45. Separate the engine and transaxle and mount the engine on a suitable engine stand.
INSTALLATION
Installation is in the reverse order of removal.
NOTE:
Tighten transmission bolts to specification. Refer to TM-206, "Removal and Installation"
.
INSPECTION AFTER INSTALLATION
• Before starting engine, check oil/fluid levels including engine coolant and engine oil. If less than required
quantity, fill to the specified level. Refer to MA-11, "FOR USA AND CANADA : Fluids and Lubricants"
.
• Use procedure below to check for fuel leakage.
• Turn ignition switch ON (with engine stopped). With fuel pressure applied to fuel piping, check for fuel leak-
age at connection points.
ALBIA0263GB
Tool number : KV101J0010 (J-47242)
Revision: November 20132014 Altima NAM
COMBINATION SWITCHEXL-139
< REMOVAL AND INSTALLATION >
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COMBINATION SWITCH
Exploded ViewINFOID:0000000009463638
NOTE:
Shown with the steering wheel removed for clarity only.
Removal and InstallationINFOID:0000000009463639
REMOVAL
CAUTION:
• Before servicing, turn the ignition switch OFF, disconnect both battery terminals and wait at least
three minutes.
• Do not use air tools or electric tools for servicing.
1. Disconnect both the negative and positive battery terminal s, then wait at least three minutes. Refer to PG-
73, "Removal and Installation (Battery)".
2. Remove the steering column covers. Refer to IP-17, "Removal and Installation"
.
3. Rotate steering wheel clockwise to access first combination switch bolt and remove.
4. Rotate steering wheel counter-clockwise to access second combination switch bolt and remove.
5. Disconnect the harness connector from the combination switch and remove.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
• After the work is completed, make sure no system malfunction is detected by air bag warning lamp.
• In case a malfunction is detected by the air bag wa rning lamp, reset with the self-diagnosis function
and delete the memory with CONSULT.
• If a malfunction is still detected after the above operation, perform self-diagnosis to repair malfunc-
tions. Refer to SRC-42, "ADDITIONAL SERVICE WHEN RE PLACING CONTROL UNIT : Special Repair
Requirement".
AWMIA1293ZZ
1. Combination switch 2. Combination switch harness connector Front
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTINGFAX-5
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
NOISE, VIBRATION, AND HARSHNESS (N VH) TROUBLESHOOTING
NVH Troubleshooting ChartINFOID:0000000009464433
Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: ApplicableReference page
—
FAX-15, "Disassembly and Assembly (LH)", FAX-20, "Disassembly and Assembly (RH)"
FAX-7, "Inspection"
FAX-10, "Removal and Installation (LH)"
, FAX-12, "Removal and Installation (RH)"—
FAX-6, "Inspection"
FSU-6, "NVH Troubleshooting Chart"Refer to FRONT AXLE in this chart.
WT-52, "NVH Troubleshooting Chart"WT-52, "NVH Troubleshooting Chart"Refer to DRIVE SHAFT in this chart. BR-6, "NVH Troubleshooting Chart"ST-29, "NVH Troubleshooting Chart"
Possible cause and SUSPECTED PARTS
Excessive joint angle
Joint sliding resistance
Imbalance
Improper installation, looseness
Parts interference
Wheel bearing damage
SUSPENSION
FRONT AXLE
TIRES
ROAD WHEEL
DRIVE SHAFT
BRAKES
STEERING
Symptom DRIVE
SHAFT Noise
×× × ××× ××
Shake × × × ××× ××
FRONT
AXLE Noise
×× × ×××××
Shake ×× × ×××××
Vibration ××××××
Shimmy ×××××××
Shudder ××××××
Poor quality ride or handling ××× × ××
Revision: November 20132014 Altima NAM
FAX-8
< REMOVAL AND INSTALLATION >
FRONT WHEEL HUB
REMOVAL AND INSTALLATION
FRONT WHEEL HUB
Exploded ViewINFOID:0000000009464438
Removal and InstallationINFOID:0000000009464439
REMOVAL
1. Remove front wheel and tire using power tool. Refer to WT-55, "Adjustment".
2. Remove brake caliper using power tool, leaving brak e caliper hydraulic hose attached. Position brake cal-
iper aside with wire. Refer to BR-36, "BRAKE CALIPER ASSEMBLY : Exploded View"
.
CAUTION:
• Do not depress brake pedal while brake caliper is removed.
• Do not twist or stretch the brake hose.
3. Put alignment marks on disc rotor and wheel hub and bearing assembly, then remove disc rotor.
1. Cotter pin 2. Nut retainer 3. Rotor
4. Wheel hub and bearing assembly 5. Wheel hub bolt 6. Splash guard
7. Steering knuckle Front
AWEIA0264ZZ
SDIA1480E
Revision: November 20132014 Altima NAM
FRONT WHEEL HUBFAX-9
< REMOVAL AND INSTALLATION >
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4. Remove wheel sensor bolt (A) and wheel sensor from steering knuckle. Refer to BRC-124, "Exploded View - Front Wheel Sen-
sor".
CAUTION:
Do not pull on wheel sensor harness.
5. Remove and discard cotter pin.
6. Remove nut retainer.
7. Loosen lock nut from drive shaft using power tool.
8. Using a piece of wood and a hammer, tap on the lock nut to dis- engage drive shaft from wheel hub.
CAUTION:
• Do not place drive shaft joint to an extreme angle. Also be careful not to over extend slide joint.
• Do not allow drive shaft to hang down without support.
NOTE:
Use suitable puller if drive shaft cannot be separated from wheel
hub and bearing assembly.
9. Remove wheel hub and bearing assembly bolts using power tool.
10. Remove splash guard and wheel hub and bearing assembly from steering knuckle.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
• Do not use a power tool to tighten the wheel hub lock nut.
• Do not reuse the cotter pin or the wheel hub lock nut.
• Do not apply lubricating oil to the mating surface.
• When installing wheel hub and bearing assembly to steering knuckle, align cutout in sensor rotor cover with wheel sensor mounting hole in steering knuckle.
• Align the marks made on the rotor and front wheel hub during dis- assembly.
ALDIA0287ZZ
JPDIG0070ZZ
SDIA1480E
Revision: November 20132014 Altima NAM