2003 NISSAN X-TRAIL coolant

HEATER & COOLING UNIT ASSEMBLY
ATC-131
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HEATER & COOLING UNIT ASSEMBLYPFP:27110
Removal and InstallationEJS000UT
REMOVAL
1. Use a refrigerant collecting equipment (for HFC-134a) to discharge refrigerant.
2. Drain coolant from cooling system. Refer to CO-9, "
Changing Engine Coolant" for QR engine or CO-31,
"Changing Engine Coolant" for YD engine.
3. Disconnect two heater hoses from heater core pipe.
4. Remove mounting bolt from low-pressure flexible hose.
CAUTION:
Cap or wrap the joint of the pipe with suitable material such
as vinyl tape to avoid the entry of air.
5. Remove the blower unit. Refer to ATC-125, "
BLOWER UNIT" .
6. Remove clips of vehicle harness from steering member.
7. Remove mounting nuts, and then remove instrument stay.
8. Remove mounting bolts from heater & cooling unit.
RJIA0060E
RJIA0061E
RJIA2444E

ATC-132
HEATER & COOLING UNIT ASSEMBLY

9. Remove steering member.
10. Remove heater & cooling unit.
CAUTION:
Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:

Replace the O-ring of the low-pressure flexible hose and the high-pressure pipe with a new one,
and then apply compressor oil to it when installing it.

When recharging refrigerant, check for leaks.
NOTE:
When filling radiator with coolant, refer to CO-9, "
Changing Engine Coolant" for QR engine or CO-31, "Chang-
ing Engine Coolant" for YD engine.
Disassembly and AssemblyEJS000UU
NOTE:
This illustration is for RHD models. The layout for LHD models is symmetrically opposite.
RJIA2404E

MA-1
MAINTENANCE
L MAINTENANCE
CONTENTS
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SECTION MA
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MAINTENANCE
PREPARATION ........................................................... 3
Special Service Tools ............................................... 3
Commercial Service Tools ........................................ 3
DESCRIPTION ............................................................ 4
Pre-delivery Inspection Items ................................... 4
GENERAL MAINTENANCE ....................................... 6
General Maintenance ............................................... 6
PERIODIC MAINTENANCE ....................................... 7
Periodic Maintenance ............................................... 7
ENGINE AND EMISSION CONTROL MAINTE-
NANCE (QR20DE AND QR25DE PETROL
ENGINE) ............................................................... 7
CHASSIS AND BODY MAINTENANCE
(QR20DE AND QR25DE PETROL ENGINE) ....... 8
ENGINE AND EMISSION CONTROL MAINTE-
NANCE (YD22DDTI DIESEL ENGINE) ................ 9
CHASSIS AND BODY MAINTENANCE
(YD22DDTI DIESEL ENGINE) .............................. 9
MAINTENANCE UNDER SEVERE DRIVING
CONDITIONS ...................................................... 10
ENGINE AND EMISSION CONTROL MAINTE-
NANCE (QR20DE AND QR25DE PETROL
ENGINE) ............................................................. 12
CHASSIS AND BODY MAINTENANCE
(QR20DE AND QR25DE PETROL ENGINE) ..... 13
ENGINE AND EMISSION CONTROL MAINTE-
NANCE (YD22DDTI DIESEL ENGINE) .............. 14
CHASSIS AND BODY MAINTENANCE
(YD22DDTI DIESEL ENGINE) ............................ 14
MAINTENANCE UNDER SEVERE DRIVING
CONDITIONS ...................................................... 15
RECOMMENDED FLUIDS AND LUBRICANTS ...... 17
Fluids and Lubricants ............................................. 17
SAE Viscosity Number ........................................... 18
GASOLINE ENGINE ........................................... 18
DIESEL ENGINE ................................................. 18
Engine Coolant Mixture Ratio ................................ 19
ENGINE MAINTENANCE (QR20DE·QR25DE) ........ 20
Checking Drive Belts .............................................. 20
Tension Adjustment ................................................ 20Changing Engine Coolant ....................................... 20
DRAINING ENGINE COOLANT .......................... 20
REFILLING ENGINE COOLANT ......................... 21
FLUSHING COOLING SYSTEM ......................... 22
Checking Cooling System ...................................... 22
CHECKING COOLING SYSTEM HOSES ........... 22
CHECKING RADIATOR ...................................... 22
CHECKING RADIATOR CAP .............................. 22
CHECKING RADIATOR SYSTEM FOR LEAKS ... 23
Checking Fuel Lines ............................................... 23
Changing Air Cleaner Filter .................................... 23
VISCOUS PAPER TYPE ..................................... 23
Changing Engine Oil ............................................... 23
Changing Oil Filter .................................................. 25
REMOVAL ........................................................... 25
INSTALLATION ................................................... 25
INSPECTION AFTER INSTALLATION ................ 25
Checking and Changing Spark Plugs ..................... 26
REMOVAL ........................................................... 26
INSPECTION AFTER REMOVAL ....................... 26
INSTALLATION ................................................... 26
Checking EVAP Vapor Lines .................................. 26
ENGINE MAINTENANCE (YD22DDTI) .................... 27
Checking Drive Belts .............................................. 27
Tension Adjustment ................................................ 27
A/C COMPRESSOR BELT .................................. 28
ALTERNATOR AND WATER PUMP BELT .......... 28
Changing Engine Coolant ....................................... 28
DRAINING ENGINE COOLANT .......................... 28
REFILLING ENGINE COOLANT ......................... 29
FLUSHING COOLING SYSTEM ......................... 30
Checking Cooling System ...................................... 30
CHECKING COOLING SYSTEM HOSES ........... 30
CHECKING RADIATOR ...................................... 30
CHECKING RADIATOR CAP .............................. 30
CHECKING RADIATOR SYSTEM FOR LEAKS ... 31
Checking Fuel Lines ............................................... 31
Changing Fuel Filter ............................................... 31
REMOVAL ........................................................... 32
INSTALLATION ................................................... 32

MA-2 INSPECTION AFTER INSTALLATION ................ 32
Changing Air Cleaner Filter .................................... 32
VISCOUS PAPER TYPE ..................................... 32
Changing Engine Oil ............................................... 33
Changing Oil Filter (TYPE A) .................................. 33
REMOVAL ........................................................... 33
INSTALLATION .................................................... 34
INSPECTION AFTER INSTALLATION ................ 34
Changing Oil Filter (TYPE B) .................................. 35
REMOVAL ........................................................... 35
INSTALLATION .................................................... 36
INSPECTION AFTER INSTALLATION ................ 36
Draining Water ........................................................ 36
CHASSIS AND BODY MAINTENANCE ................... 37
Checking Exhaust System ...................................... 37
Checking Clutch Fluid Level and Leaks ................. 37
Checking Clutch System ........................................ 37
Checking M/T Oil .................................................... 37
Changing M/T Oil .................................................... 38
Checking A/T Fluid ................................................. 38
Changing A/T Fluid ................................................. 39
Checking Transfer Oil ............................................. 39
Changing Transfer Oil ............................................. 39
Checking Propeller Shaft ........................................ 40
Checking Differential Gear Oil ................................ 40
Changing Differential Gear Oil ................................ 40
Balancing Wheels ................................................... 41
Rotation .................................................................. 41
Checking Brake Fluid Level and Leaks .................. 41
Checking Brake Lines and Cables ......................... 41Changing Brake Fluid ............................................. 42
Checking Disc Brake ............................................... 43
ROTOR ................................................................ 43
CALIPER .............................................................. 43
PAD ...................................................................... 43
Checking Steering Gear and Linkage ..................... 43
STEERING GEAR ............................................... 43
STEERING LINKAGE .......................................... 43
Checking Power Steering Fluid and Lines .............. 44
Axle and Suspension Parts ..................................... 44
Drive Shaft .............................................................. 45
Lubricating Locks, Hinges and Hood Latches ......... 45
Checking Seat Belts, Buckles, Retractors, Anchors
and Adjusters .......................................................... 45
Checking Body Corrosion ....................................... 45
HEMMED PANELS .............................................. 45
PANEL JOINT ...................................................... 45
PANEL EDGE ...................................................... 45
PARTS CONTACT ............................................... 45
PROTECTORS .................................................... 46
ANTI-CORROSION MATERIALS ........................ 46
DRAIN HOLES ..................................................... 46
SERVICE DATA AND SPECIFICATIONS (SDS) ...... 47
Standard and Limit .................................................. 47
BELT DEFLECTION AND TENSION ................... 47
RADIATOR ........................................................... 47
ENGINE COOLANT CAPACITY .......................... 47
ENGINE OIL CAPACITY (APPROXIMATE) ........ 47
SPARK PLUG ...................................................... 47

MA-4
DESCRIPTION

DESCRIPTIONPFP:00000
Pre-delivery Inspection ItemsELS000Y5
Shown below are Pre-delivery Inspection Items required for the new vehicle. It is recommended that
necessary items other than those listed here be added, paying due regard to the conditions in each
country.
Perform applicable items on each model. Consult text of this section for specifications.
Install vehicle protection kit
Fit all accessories ordered (if applicable) (e.g. towbar, audio, navigation, air conditioner, styling kit)
UNDER HOOD — engine off
Check coolant level and cooling system for leaks
Charge battery and check terminals for condition
Check drive belts tension (diesel only)
Check fuel filter for water or dust (diesel only) and fuel system for leaks
Check engine oil level and for oil leaks
Check brake and clutch fluid levels and fluid lines for leaks
Check and top up washer reservoirs
Check power steering fluid level and fluid lines for leaks (if applicable)
Check air conditioning system for gas leaks (if applicable)
ON INSIDE AND OUTSIDE
Install transit fuse if removed for vehicle storage
Check instruments, gauges, lamps, horn and accessories for operation
Check wipers and washers for operation and adjustment
Check interior and door mirrors and sun visors for operation
Set radio code and set clock
Check parking brake adjustment
Check clutch pedal adjustment
Check steering lock operation
Check seat adjusters and seat belts for operation
Check all windows for operation and alignment
Check mouldings, trim and fittings for fit and alignment
Check weatherstrips for fit and adhesion
Check hood, trunk lid, door panels and fuel lid for fit and alignment
Check latches, keys, remote key, door locks and remote trunk lid and fuel lid release for operation
Check wheel nut torques
Check tyre pressure (incl. spare tyre)
Check tool kit and jack for operation
Check automatic transmission/transaxle starter inhibitor (if applicable)
Check sunroof for operation and alignment (if applicable)
UNDER BODY
Check manual transmission/transaxle, differential and transfer box for oil level and oil leaks
Tighten bolts and nuts steering linkage and gear box, axle/suspension parts, propeller and exhaust system
Check brake and clutch lines, and oil/fluid reservoirs for leaks
Remove front suspension spacer blocks (if applicable)
Check body mounting torque (if applicable)

MA-6
GENERAL MAINTENANCE

GENERAL MAINTENANCEPFP:00000
General MaintenanceELS000AL
General maintenance includes those items which should be checked during the normal day-to-day operation
of the vehicle. They are essential if the vehicle is to continue operating properly. The owners can perform the
checks and inspections themselves or they can have their NISSAN dealers do them for a nominal charge.
OUTSIDE THE VEHICLE
The maintenance items listed here should be performed from time to time, unless otherwise specified.
INSIDE THE VEHICLE
The maintenance items listed here should be checked on a regular basis, such as when performing periodic maintenance, cleaning the
vehicle, etc.
UNDER THE HOOD AND VEHICLE
The maintenance items listed here should be checked periodically e.g. each time you check the engine oil or refuel.Item Reference page
TiresCheck the pressure with a gauge periodically when at a service station, includ-
ing the spare, and adjust to the specified pressure if necessary. Check carefully
for damage, cuts or excessive wear.—
Windshield wiper
bladesCheck for cracks or wear if not functioning correctly. —
Doors and engine
hoodCheck that all doors, the engine hood, the trunk lid and back door operate prop-
erly. Also ensure that all latches lock securely. Lubricate if necessary. Make sure
that the secondary latch keeps the hood from opening when the primary latch is
released.
When driving in areas using road salt or other corrosive materials, check for
lubrication frequently.BL-12
, BL-18
Tire rotationTires should be rotated every 5,000 km (3,000 miles).MA-41
Item Reference page
LampsMake sure that the headlamps, stop lamps, tail lamps, turn signal lamps, and
other lamps are all operating properly and installed securely. Also check head-
lamp aim.—
Warning lamps and
chimesMake sure that all warning lamps and buzzers/chimes are operating properly. —
Steering wheelCheck that it has the specified play.
Check for changes in the steering conditions, such as excessive free play, hard
steering or strange noises.
Free play: Less than 35 mm (1.38 in)—
Seat beltsCheck that all parts of the seat belt system (e.g. buckles, anchors, adjusters and
retractors) operate properly and smoothly, and are installed securely. Check the
belt webbing for cuts, fraying, wear or damage.MA-45
Item Reference page
Windshield washer
fluidCheck that there is adequate fluid in the tank. —
Engine coolant levelCheck the coolant level when the engine is cold.MA-20
(QR20DE,
QR25DE)
MA-28
(YD22DDTi)
Engine oil levelCheck the level after parking the vehicle on a level spot and turning off the
engine.MA-23
(QR20DE,
QR25DE)
MA-33
(YD22DDTi)
Brake and clutch fluid
levelsMake sure that the brake and clutch fluid levels are between the “MAX” and
“MIN” lines on the reservoir.MA-37
, MA-41
BatteryCheck the fluid level in each cell. It should be between the “MAX” and “MIN”
lines.—

PERIODIC MAINTENANCE
MA-7
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PERIODIC MAINTENANCEPFP:00026
Periodic MaintenanceELS000AM
The following tables show the normal maintenance schedule. Depending upon weather and atmospheric con-
ditions, varying road surfaces, individual driving habits and vehicle usage, additional or more frequent mainte-
nance may be required.
Periodic maintenance beyond the last period shown on the tables requires similar maintenance.
ENGINE AND EMISSION CONTROL MAINTENANCE (QR20DE AND QR25DE PETROL ENGINE)
(Annual Mileage <30,000 Km/year)
Abbreviations: I = Inspect and correct or replace as necessary, R = Replace,.
NOTE:

Maintenance items with “ ” should be performed more frequently according to “Maintenance Under Severe Driving
Conditions”.

(1)Periodic maintenance is not required. However, if valve noise increases, check valve clearance.

(2) Replace the drive belt if found damaged or if the auto belt tensioner reading reaches the maximum limit.

(3) First replace at 90,000 Km (54,000 miles)/60 months, then every 60,000 km (36,000 miles)/48 months. Perform "I"
(Checking the mixture ratio and correcting the mixture ratio if necessary) at the middle of replacement interval.

(4) Fuel filter is maintenance-free. For service procedures, refer to FL section. MAINTENANCE OPERATIONMAINTENANCE INTERVAL
Refer-
ence
page Perform on a kilometer basis, but on an annual
basis when driving less than 15,000 km (9,000
miles) per yearkm x
1,000
(Miles x
1,000)
Months15
(9)
1230
(18)
2445
(27)
3660
(36)
4875
(45)
6090
(54)
72105
(63)
84120
(72)
96
Engine compartment and under vehicle
Intake and exhaust valve clearanceSee
NOTE (1)EM-61
Drive beltSee
NOTE (2)MA-20
Engine oil (Use recommended oil.)R RRRRRRRMA-23
Engine oil filter (Use NISSAN genuine part or
equivalent)R RRRRRRRMA-25
Engine anti-freeze coolant (Use Genuine Nissan
Anti-freeze Coolant (L250) or equivalent.)See
NOTE (3)IRIMA-20
Cooling system II IIIIIIMA-22
Fuel lines I I I IMA-23
Air cleaner filterRRMA-23
Fuel filter (In-tank type)See
NOTE (4)FL-4
Spark plugs R R R RMA-26
EVAP vapor lines (With carbon canister) I I I IMA-26

PERIODIC MAINTENANCE
MA-9
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ENGINE AND EMISSION CONTROL MAINTENANCE (YD22DDTI DIESEL ENGINE)
(Annual Mileage <30,000 Km/year)
Abbreviations: I = Inspect and correct or replace as necessary, R = Replace, D = Check filter and drain water
NOTE:

Maintenance items with “ ” should be performed more frequently according to “Maintenance Under Severe Driving
Conditions”.

(1) If valve noise increases, check valve clearance.

(2) Never use CG-4 oil.

(3) Oil filter element assembly and O-ring seal are replacement parts.

(4) First replace at 100,000 Km (60,000 miles)/60 months, then every 60,000Km (36,000 miles)/36 months. After first
replacement, perform "I" (checking the mixture ratio and correcting the mixture ratio if necessary) at the middle of
replacement interval.

(5) If engine power decreases, black exhaust smoke is emitted or engine noise increases, perform this maintenance item.
CHASSIS AND BODY MAINTENANCE (YD22DDTI DIESEL ENGINE)
(Annual Mileage <30,000 Km/year)
Abbreviations: I = Inspect and correct or replace as necessary, R = Replace, L = Lubricate. MAINTENANCE OPERATIONMAINTENANCE INTERVAL
Refer-
ence page Perform either at number of kilometers (miles) or
months, whichever comes first.km x 1,000
(Miles x
1,000)
Months20
(12)
1240
(24)
2460
(36)
3680
(48)
48100
(60)
60120
(72)
72
Engine compartment and under vehicle
Intake & exhaust valve clearanceSee
NOTE (1)EM-175
Drive belts I I I I I IMA-27
Engine oil (recommended oil.)See
NOTE (2)RRRRRRMA-33
Engine oil filter (Use Eco filter or equivalent)See
NOTE (3)RRRRRRMA-33
Engine anti-freeze coolant (Use Genuine Nissan
Anti-freeze Coolant (L250) or equivalent)See
NOTE (4)IRMA-28
Cooling system I I I I I IMA-30
Fuel lines I I IMA-31
Air cleaner filter RRMA-32
Fuel filterDRDRDRMA-31
Fuel injectorSee
NOTE (5)EM-157
MAINTENANCE OPERATIONMAINTENANCE INTERVAL
Reference
page Perform either at number of kilometers (miles)
or months, whichever comes first.km x 1,000
(Miles x 1,000)
Months20
(12)
1240
(24)
2460
(36)
3680
(48)
48100
(60)
60120
(72)
72
Underhood and under vehicle
Headlamp aiming I I I I I ILT- 1 4
Brake & clutch, systems and fluid (For level &
leaks)IIIIIIMA-41, MA-37
Brake fluidRRRMA-42
Brake booster vacuum hoses, connections &
check valveIIIBR-25
Power steering fluid & lines (For level & leaks) I I I I I IMA-44
Manual transaxle gear oil (For leaks) I I I I I IMA-37
Transfer gear oil (For level & leaks) I I I I I IMA-39