2001 NISSAN X-TRAIL air suspension

MODEL T30 SERIES
© 2002 NISSAN EUROPE S.A.S.
All rights reserved. No part of this Electronic Service Manual may be reproduced or stored in a retrieval system, or transmitted in any
form, or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written permission of Nissan
Europe S.A.S., Paris, France.
A GENERAL INFORMATION
B ENGINE
C TRANSMISSION/
TRANSAXLE
D DRIVELINE/AXLE
E SUSPENSION
F BRAKES
G STEERING
H RESTRAINTS
IBODY
J AIR CONDITIONER
K ELECTRICAL
L MAINTENANCE
M INDEXGI General Information
EM Engine Mechanical
LU Engine Lubrication System
CO Engine Cooling System
EC Engine Control System
FL Fuel System
EX Exhaust System
ACC Accelerator Control System
CL Clutch
MT Manual Transaxle
AT Automatic Transaxle
TF Transfer
PR Propeller Shaft
RFD Rear Final Drive
FAX Front Axle
RAX Rear Axle
FSU Front Suspension
RSU Rear Suspension
WT Road Wheels & Tires
BR Brake System
PB Parking Brake System
BRC Brake Control System
PS Power Steering System
SB Seat Belts
SRS Supplemental Restraint System (SRS)
BL Body, Lock & Security System
GW Glasses, Window System & Mirrors
RF Roof
EI Exterior & Interior
IP Instrument Panel
SE Seat
ATC Automatic Air Conditioner
MTC Manual AIr Conditioner
SC Starting & Charging System
LT Lighting System
DI Driver Information System
WW Wiper, Washer & Horn
BCS Body Control System
LAN LAN System
AV Audio, Visual & Telephone System
PG Power Supply, Ground & Circuit Elements
MA Maintenance
IDX Alphabetical Index
QUICK REFERENCE INDEX
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EM-70
[QR]
ENGINE ASSEMBLY
1. Release fuel pressure. Refer to EC-775, "FUEL PRESSURE RELEASE" [QR20DE (WITH EURO-OBD)],
EC-1139, "
FUEL PRESSURE RELEASE" [QR20DE (WITHOUT EURO-OBD)], EC-42, "FUEL PRES-
SURE RELEASE" [QR25DE (WITH EURO-OBD)] or EC-452, "FUEL PRESSURE RELEASE" [QR25DE
(WITHOUT EURO-OBD)].
2. Remove engine hood.
3. Drain engine coolant from radiator drain plug. Refer to CO-9, "
DRAINING ENGINE COOLANT" .
4. Remove the following parts.
●LH/RH undercovers
●LH/RH front wheels
●Battery
●Drive belts; Refer to EM-12, "REMOVAL" .
●Air duct and air cleaner case assembly; Refer to EM-14, "REMOVAL" .
●Alternator
●Radiator and radiator fan assembly; Refer to CO-11, "RADIATOR" .
5. Disconnect engine room harness from the engine side and set it aside for easier work.
6. Disconnect all the body-side vacuum hoses and air hoses at engine side.
Engine room LH
7. Disconnect fuel hose, and plug it to prevent fuel from draining. Refer to EM-16, "
INTAKE MANIFOLD"
8. Disconnect heater hose, and install plug it to prevent engine coolant from draining.
9. Disconnect select cable from transaxle (A/T models).
10. Remove clutch operating cylinder from transaxle, and move it aside (M/T models).
11. Disconnect shift cable from transaxle (M/T models).
Engine room RH
12. Remove engine coolant reservoir tank.
13. Remove air conditioner compressor with piping connected from engine. Temporarily secure it on body
with a rope to avoid putting load on it.
Vehicle underbody
14. Remove exhaust front tube.
15. Remove propeller shaft.
16. Remove steering shaft from steering gear.
17. Disconnect power steering fluid cooler piping at a point between body and engine.
18. Remove ABS sensor from brake caliper.
19. Remove brake caliper with piping connected from steering knuckle. Temporarily secure it on body with a
rope to avoid load on it.
20. Remove LH/RH suspensions from steering knuckle under strut.
Removal
21. Install engine slingers into front left of cylinder head and rear right of cylinder head.
●Use alternator bracket mounting bolt holes for the front side.
22. Lift with hoist and secure the engine in position.Slinger bolts:
Front
: 51.0 - 64.7 N·m (5.2 - 6.6 kg-m, 38 - 47 ft-lb)
Rear
: 24.5 - 31.4 N·m (2.5 - 3.2 kg-m, 18 - 23 ft-lb)
SBIA0271E

EM-194
[YD22DDTi]
ENGINE ASSEMBLY
REMOVAL
Description of work
Remove engine, transaxle and transfer assembly with front suspension member from vehicle down ward.
Separate suspension member, and then separate engine and transaxle.
Preparation
1. Remove engine hood.
2. Drain engine coolant from radiator drain plug.
3. Remove the following parts.
●LH/RH undercovers
●LH/RH front wheels
●Battery
●Drive belts; Refer to EM-119, "Removal and Installation" .
●Air duct and air cleaner case assembly; Refer to EM-120, "Removal and Installation" .
●Alternator
●Radiator and radiator fan assembly; Refer to CO-32, "Removal and Installation" .
●Charge air cooler
4. Disconnect engine room harness from the engine side and set it aside for easier work.
5. Disconnect all the body-side vacuum hoses and air hoses at engine side.
Engine room LH
6. Disconnect fuel feed and return hoses, and plug it to prevent fuel from draining.
7. Disconnect heater hose, and install plug it to prevent engine coolant from draining.
8. Remove clutch operating cylinder from transaxle, and move it aside.
9. Disconnect shift cable from transaxle.
Engine room RH
10. Remove engine coolant reservoir tank.
11. Remove air conditioner compressor with piping connected from engine. Temporarily secure it on body
with a rope to avoid putting load on it.
Vehicle underbody
12. Remove exhaust front tube.
13. Remove propeller shaft.
14. Remove steering shaft from steering gear.
15. Disconnect power steering fluid cooler piping at a point between body and engine.
16. Remove ABS sensor from brake caliper.
17. Remove brake caliper with piping connected from steering knuckle. Temporarily secure it on body with a
rope to avoid load on it.
18. Remove LH/RH suspensions from steering knuckle under strut.
Removal
19. Install engine slingers into front right of cylinder head and rear
left of cylinder head.
20. Lift with hoist and secure the engine in position.Slinger bolts:
: 30 - 37 N·m (3.0 - 3.8 kg-m, 22 - 27 ft-lb)
SBIA0191E

TRANSAXLE ASSEMBLY
MT-15
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TRANSAXLE ASSEMBLYPFP:32010
Removal and InstallationECS008BX
REMOVAL
1. Remove air cleaner, air duct, and battery.
2. Remove the air breather hose.
3. Remove clutch operating cylinder.
CAUTION:
Do not depress clutch pedal during removal procedure.
4. Disconnect control cable from transaxle.
5. Drain gear oil from transaxle.
6. Disconnect PNP switch, back-up lamp switch, and ground harness connectors.
7. Remove exhaust front tube and the drive shaft.
8. Remove transfer.
●Refer to TF-11, "Removal and Installation from Vehicle" .
9. Remove starter motor.
10. Place a jack onto the transaxle.
CAUTION:
When setting jack, be careful not to bring it into contact with the switch.
11. Remove center member, engine insulator and engine mount bracket.
●Refer to EM-69, "ENGINE ASSEMBLY" (QR engine models) or EM-193, "ENGINE ASSEMBLY" (YD
engine models).
12. Remove suspension members.
●Refer to FSU-12, "FRONT SUSPENSION MEMBER" .
13. Support engine by placing a jack under oil pan.
14. Remove bolts securing transaxle to engine.
SCIA0845E

TRANSFER ASSEMBLY
TF-11
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TF
TRANSFER ASSEMBLYPFP:33100
Removal and Installation from VehicleEDS0004U
REMOVAL
1. Remove the exhaust front tube, propeller shaft, and RH drive shaft.
2. Remove the side shaft.
3. Remove the air breather hose.
4. Remove transfer gusset (vehicle with YD22ET engine only).
5. Place a transmission jack onto the transaxle.
6. Remove the center member.
7. Remove suspension members.
●Refer to FSU-12, "Removal and Installation" in FUS Front Suspension.
8. Remove rear engine mounting bracket.
9. Place a transmission jack onto the transfer unit.
10. Remove the mounting bolts fastening the transaxle and transfer unit.
11. Remove the transfer unit from the vehicle.
INSTALLATION
Paying attention to the following items, install in the reverse order of removal.
SDIA1177E

REAR FINAL DRIVE ASSEMBLY
RFD-11
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RFD
REAR FINAL DRIVE ASSEMBLYPFP:38300
Removal and InstallationEDS00109
REMOVAL
1. Remove exhaust center tube.Refer to EX-2, "EXHAUST SYSTEM" .
2. Remove propeller shaft. Refer to PR-3, "
Removal and Installation" .
3. Remove drive shaft. Refer to RAX-9, "
Removal and Installation" .
4. Remove rear suspension member. Refer to RSU-5, "
Components" .
5. Remove air breather hose (for electronically controlled coupling and for rear final drive). Refer to RFD-12,
"Electronically Controlled Coupling Breather Hose" ,RFD-13, "Rear Final Drive Breather Hose" .
6. Remove the mounting bolt and nuts connecting to the suspension member, and remove the rear final
drive
INSTALLATION
Install in the reverse order of the removal.
CAUTION:
●Keep the air breather hose to exhaust tube clearance for at least 40 mm (1.57 in).
PDIA0001E
1. Propeller shaft 2. Final drive assembly 3. Drive shaft
4. Final drive mounting bracket 5. Suspension member

FSU-4
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING
PFP:00003
NVH Troubleshooting ChartEES000ID
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: ApplicableReference page
FSU-5FSU-8—
—
—
FSU-5FSU-6FSU-11
NVH in PR section
NVH in RFD section.
NVH in RAX and RSU section.
NVH in WT section.
NVH in WT section.
NVH in RAX section.
NVH in BR section.
NVH in PS section.
Possible cause and SUSPECTED PARTS
Improper installation, looseness
Shock absorber deformation, damage or deflection
Bushing or mounting deterioration
Parts interference
Spring fatigue
Suspension looseness
Incorrect wheel alignment
Stabilizer bar fatigue
PROPELLER SHAFT
DIFFERENTIAL
REAR AXLE AND REAR SUSPENSION
TIRES
ROAD WHEEL
DRIVE SHAFT
BRAKES
STEERING
Symptom FRONT SUSPENSIONNoise××××× × ××× ×××××
Shake×××× × × × ×××××
Vibration××××× × ×× × ×
Shimmy×××× × ××× ××
Judder××× ××× ××
Poor quality ride or han-
dling×× × × × ×× × × ×

FSU-6
FRONT SUSPENSION ASSEMBLY
On-Vehicle Inspection and Service
EES00072
LOOSENESS, BACKLASH AND DAMAGE OF MOUNTING PARTS AND CONNECTIONS
Lift vehicle and inspect the following:
●Check mounting point of each component for looseness, backlash and damage.
●Check lower ball joint end play.
1. Attach a dial gauge so that the contact rests on the brake caliper.
2. Set front wheels in a straight-ahead position. Do not depress brake pedal.
3. Measure axial endplay by placing an iron pry bar or something similar between transverse link and steer-
ing knuckle.
CAUTION:
Be careful not to damage ball joint boot.
4. If axial endplay is outside the standard, remove transverse link and check lower ball joint.
Wheel AlignmentEES00073
DESCRIPTION
●Measure wheel alignment under unladen conditions. “Unladen conditions” means that fuel, coolant, and
lubricant are full. However, spare tire, jack, and hand tools should be unloaded.
PRELIMINARY INSPECTION
1. Check the tires for improper air pressure and wear.
2. Check road wheels for runout.
3. Check wheel bearing axial endplay.
4. Check lower ball joint axial endplay.
5. Check strut operation.
6. Check each mounting point of axle and suspension for looseness and deformation.
7. Check each link and arm for cracks, deformation, and other damage.
8. Check the vehicle posture.
INSPECTION OF CAMBER, CASTER, AND KINGPIN INCLINATION ANGLES
● Camber, caster, and kingpin inclination angles cannot be adjusted.
●Before inspection, mount front wheels onto turning radius gauge. Mount rear wheels onto a stand that has
same height so the vehicle will remain horizontal.
1. Measure camber, caster and kingpin inclination of both right and
left wheels with a suitable alignment gauge.
2. If camber, caster or kingpin inclination is not within specification,
inspect front suspension parts. Replace dam-aged or worn out
parts.
1. Upper mounting plate 2. Strut spacer 3. Strut mounting insulator
4. Spring upper seat 5. Thrust bearing 6. Spring upper seat
7. Upper rubber seat 8. Bound bumper 9. Coil spring
10. Strut 11. Axle assembly 12. Cotter pin
13. Clamp 14. Bushing 15. Stabilizer bar
16. Washer 17. Connecting rod 18. Suspension member
19. Member pin stay 20. Transverse link 21. Steering stopper bracket
Axial endplay : 0 mm (0 in)
Camber, caster and kingpin inclination:
FSU-13, "
SERVICE DATA AND SPECIFICATIONS
(SDS)"
SRA096A