2005 NISSAN X-TRAIL check

LU-26
[YD22DDTi]
OIL FILTER BRACKET

OIL FILTER BRACKETPFP:15238
Removal and Installation (TYPE A)EBS00BL8
REMOVAL
CAUTION:
Be careful not to get burned when engine is hot.
1. Remove RH engine undercover.
2. Remove oil filter. Refer to LU-23, "
Removal and Installation (TYPE A)" .
3. Remove oil filter bracket.
INSTALLATION
Install all removed parts in the reverse order of removal.

Insert the top mounting bolt to oil filter bracket beforehand, and set oil filter bracket to the installation loca-
tion.
INSPECTION AFTER INSTALLATION
1. After warming up engine, check there is no leaks of engine oil.
2. Stop engine and wait for 10 minutes.
3. Check the engine oil level and adjust engine oil. Refer to LU-20, "
ENGINE OIL" .
1. Oil pump housing 2. Gasket 3. Oil filter bracket
4. Oil filter
PBIC2380E

OIL FILTER BRACKET
LU-27
[YD22DDTi]
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Removal and Installation (TYPE B)EBS011WJ
REMOVAL
CAUTION:
Be careful not to get burned when engine is hot.
1. Remove RH engine undercover.
2. Remove oil filter. Refer to LU-24, "
Removal and Installation (TYPE B)" .
3. Remove oil filter bracket.
INSTALLATION
Install all removed parts in the reverse order of removal.

Insert the top mounting bolt to oil filter bracket beforehand, and set oil filter bracket to the installation loca-
tion.
INSPECTION AFTER INSTALLATION
1. After warming up engine, check there is no leaks of engine oil.
2. Stop engine and wait for 10 minutes.
3. Check the engine oil level and adjust engine oil. Refer to LU-20, "
ENGINE OIL" .
1. Oil pump housing 2. Gasket 3. Oil filler bracket
4. Oil filler 5. O-ring 6. Oil filter body
PBIC2537E

LU-28
[YD22DDTi]
OIL COOLER

OIL COOLERPFP:21305
Removal and InstallationEBS00OE8
CAUTION:

Be careful not to get burned when engine and engine oil are hot.

When removing, prepare a shop cloth to absorb any engine oil leakage or spillage.

Completely wipe off any engine oil that adhere to engine and vehicle.
REMOVAL
1. Remove engine undercover.
2. Drain engine coolant by removing cylinder block drain plug and radiator drain plug. Refer to CO-32,
"DRAINING ENGINE COOLANT" and EM-230, "CYLINDER BLOCK" .
3. Remove exhaust front tube. Refer to EX-2, "
EXHAUST SYSTEM" .
4. Remove water hoses.
5. Loosen connecting bolt and remove oil cooler.
INSPECTION AFTER REMOVAL
Check oil cooler for cracks. Check oil cooler for clogging by blowing through coolant inlet. If necessary, replace
oil cooler.
INSTALLATION
Installation is the reverse order of removal.

Confirm that no foreign objects are adhering to the installation
planes of oil cooler or cylinder block.

Tighten the connecting bolt after aligning the stopper on the cyl-
inder block side with protrusion of oil cooler.
INSPECTION AFTER INSTALLATION
1. Check the engine oil level and the engine coolant level, and adjust engine oil and engine coolant. Refer to
LU-20, "
ENGINE OIL" and CO-32, "ENGINE COOLANT" .
1. Oil cooler 2. O-ring 3. Water hose
4. Gasket 5. Water hose connector 6. Connecting bolt
PBIC2441E
SBIA0126E

OIL COOLER
LU-29
[YD22DDTi]
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2. Start engine, and make sure that there is no leaks of engine oil or engine coolant.
3. Stop engine and wait for 10 minutes.
4. Check the engine oil level and the engine coolant level again. Refer to LU-20, "
ENGINE OIL" and CO-32,
"ENGINE COOLANT" .

LU-30
[YD22DDTi]
OIL PUMP

OIL PUMPPFP:15010
Removal and InstallationEBS01AJ3
REMOVAL
Remove oil pump assembly. Refer to EM-198, "PRIMARY TIMING CHAIN" .
INSTALLATION
Installation is the reverse order of removal.
INSPECTION AFTER INSTALLATION
1. After warming up engine, check there is no leaks of engine oil.
2. Stop engine and wait for 10 minutes.
3. Check the engine oil level and adjust engine oil. Refer to LU-20, "
ENGINE OIL" .
Disassembly and AssemblyEBS01AI7
DISASSEMBLY
1. Remove oil pump cover.
2. Remove inner rotor and outer rotor from oil pump housing.
3. After removing regulator plug, remove inner and outer regulator springs and regulator valve.
INSPECTION AFTER DISASSEMBLY
Clearance of Oil Pump Parts

Measure the clearance with feeler gauge.
Clearance between outer rotor and oil pump housing (position 1)
Tip clearance between inner rotor and outer rotor (position 2)
1. Oil pump housing 2. Outer rotor 3. Inner rotor
4. Oil pump cover 5. Regulator valve 6. Outer regulator spring
7. Inner regulator spring 8. Regulator plug
PBIC2381E
Standard : 0.114 - 0.260 mm (0.0045 - 0.0102 in)
Standard : Below 0.18 mm (0.0071in)
JLC355B

CO-1
ENGINE COOLING SYSTEM
B ENGINE
CONTENTS
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SECTION CO
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ENGINE COOLING SYSTEM
QR
PRECAUTIONS .......................................................... 3
Precautions for Liquid Gasket .................................. 3
LIQUID GASKET APPLICATION PROCEDURE ..... 3
PREPARATION ........................................................... 4
Special Service Tools ............................................... 4
Commercial Service Tools ........................................ 4
OVERHEATING CAUSE ANALYSIS .......................... 5
Troubleshooting Chart .............................................. 5
COOLING SYSTEM .................................................... 7
Cooling Circuit .......................................................... 7
System Chart ........................................................... 8
ENGINE COOLANT .................................................... 9
Inspection ................................................................. 9
LEVEL CHECK ..................................................... 9
LEAK CHECK ....................................................... 9
Changing Engine Coolant ........................................ 9
DRAINING ENGINE COOLANT ........................... 9
REFILLING ENGINE COOLANT ........................ 10
FLUSHING COOLING SYSTEM ......................... 10
RADIATOR ................................................................ 12
Removal and Installation ........................................ 12
REMOVAL ........................................................... 12
INSTALLATION ................................................... 13
INSPECTION AFTER INSTALLATION ............... 13
Checking Radiator Cap .......................................... 13
Checking Radiator .................................................. 13
RADIATOR (ALUMINUM TYPE) .............................. 15
Disassembly and Assembly ................................... 15
PREPARATION ................................................... 15
DISASSEMBLY ................................................... 15
ASSEMBLY ......................................................... 16
INSPECTION ...................................................... 18
COOLING FAN ......................................................... 19
Removal and Installation ........................................ 19
REMOVAL ........................................................... 19INSTALLATION ................................................... 19
Disassembly and Assembly .................................... 20
DISASSEMBLY ................................................... 20
INSPECTION AFTER DISASSEMBLY ................ 20
ASSEMBLY ......................................................... 20
WATER PUMP .......................................................... 21
Removal and Installation ........................................ 21
REMOVAL ........................................................... 21
INSPECTION AFTER REMOVAL ....................... 22
INSTALLATION ................................................... 22
INSPECTION AFTER INSTALLATION ................ 22
THERMOSTAT AND WATER CONTROL VALVE .... 23
Removal and Installation ........................................ 23
REMOVAL ........................................................... 23
INSPECTION AFTER REMOVAL ....................... 24
INSTALLATION ................................................... 24
INSPECTION AFTER INSTALLATION ................ 24
SERVICE DATA AND SPECIFICATIONS (SDS) ...... 25
Standard and Limit .................................................. 25
CAPACITY ........................................................... 25
RADIATOR .......................................................... 25
THERMOSTAT .................................................... 25
WATER CONTROL VALVE ................................. 25
Tightening Torque ................................................... 25
YD22DDTi
PRECAUTIONS ........................................................ 26
Precautions For Liquid Gasket ............................... 26
LIQUID GASKET APPLICATION PROCEDURE ... 26
PREPARATION ......................................................... 27
Special Service Tools ............................................. 27
Commercial Service Tools ...................................... 27
OVERHEATING CAUSE ANALYSIS ........................ 28
Troubleshooting Chart ............................................ 28
COOLING SYSTEM .................................................. 30
Cooling Circuit ........................................................ 30
System Chart .......................................................... 31
ENGINE COOLANT .................................................. 32
Inspection ............................................................... 32

CO-2 LEVEL CHECK .................................................... 32
CHECKING RADIATOR SYSTEM FOR LEAKS ... 32
Changing Engine Coolant ....................................... 32
DRAINING ENGINE COOLANT .......................... 32
REFILLING ENGINE COOLANT ......................... 33
FLUSHING COOLING SYSTEM ......................... 34
RADIATOR ................................................................ 35
Removal and Installation ........................................ 35
REMOVAL ........................................................... 35
INSTALLATION .................................................... 35
INSPECTION AFTER INSTALLATION ................ 35
Checking Radiator Cap .......................................... 36
Checking Radiator .................................................. 36
COOLING FAN .......................................................... 37
Removal and Installation ........................................ 37
REMOVAL ........................................................... 37
INSTALLATION .................................................... 37
DISASSEMBLY AND ASSEMBLY ....................... 37
RADIATOR (ALUMINUM TYPE) ............................... 39
Disassembly and Assembly .................................... 39
PREPARATION ................................................... 39
DISASSEMBLY ................................................... 39
ASSEMBLY ......................................................... 40
INSPECTION ....................................................... 42WATER PUMP ........................................................... 43
Removal and Installation ......................................... 43
REMOVAL ............................................................ 43
INSPECTION AFTER REMOVAL ........................ 44
INSTALLATION .................................................... 44
INSPECTION AFTER INSTALLATION ................ 44
THERMOSTAT AND WATER PIPING ....................... 45
Removal and Installation ......................................... 45
REMOVAL ............................................................ 45
INSPECTION AFTER REMOVAL ........................ 46
INSTALLATION .................................................... 46
INSPECTION AFTER INSTALLATION ................ 46
SERVICE DATA AND SPECIFICATIONS (SDS) ...... 47
Standard and Limit .................................................. 47
CAPACITY ........................................................... 47
THERMOSTAT ..................................................... 47
RADIATOR ........................................................... 47
Tightening Torque ................................................... 47

CO-4
[QR]
PREPARATION

PREPARATIONPFP:00002
Special Service ToolsEBS00KOC
Commercial Service ToolsEBS011T8
Tool number
Tool nameDescription
EG17650301
Radiator cap tester adapterAdapting radiator cap tester to radiator cap
and radiator filler neck
a: 28 (1.10) dia.
b: 31.4 (1.236) dia.
c: 41.3 (1.626) dia.
Unit: mm (in)
KV99103510
Radiator plate pliers AInstalling radiator upper and lower tanks
KV99103520
Radiator plate pliers BRemoving radiator upper and lower tanks
WS39930000
Tube presserPressing the tube of liquid gasket
S-NT564
S-NT224
S-NT225
S-NT052
Tool nameDescription
Radiator cap tester Checking radiator and radiator cap
PBIC1982E