drain bolt NISSAN X-TRAIL 2001 Service Repair Manual

EM-2
TIMING CHAIN .......................................................... 37
Removal and Installation ........................................ 37
REMOVAL ........................................................... 38
INSPECTION AFTER REMOVAL ........................ 41
INSTALLATION .................................................... 41
CAMSHAFT ............................................................... 46
Removal and Installation ........................................ 46
REMOVAL ........................................................... 46
INSTALLATION .................................................... 48
INSPECTION AFTER REMOVAL ........................ 51
Valve Clearance ...................................................... 53
INSPECTION ....................................................... 53
ADJUSTMENT .................................................... 54
OIL SEAL .................................................................. 56
Removal and Installation of Valve Oil Seal ............. 56
REMOVAL ........................................................... 56
INSTALLATION .................................................... 56
Removal and Installation of Front Oil Seal ............. 56
REMOVAL ........................................................... 56
INSTALLATION .................................................... 57
Removal and Installation of Rear Oil Seal .............. 57
REMOVAL ........................................................... 57
INSTALLATION .................................................... 57
CYLINDER HEAD .................................................. ... 59
On-Vehicle Service ................................................. 59
CHECKING COMPRESSION PRESSURE ......... 59
Removal and Installation ........................................ 60
REMOVAL ........................................................... 60
INSPECTION AFTER REMOVAL ........................ 61
INSTALLATION .................................................... 61
Disassembly and Assembly .................................... 62
DISASSEMBLY ................................................... 63
ASSEMBLY ......................................................... 63
Inspection After Disassembly ................................. 64
CYLINDER HEAD DISTORTION ........................ 64
VALVE DIMENSIONS .......................................... 64
VALVE GUIDE CLEARANCE .............................. 65
VALVE GUIDE REPLACEMENT ......................... 65
VALVE SEAT CONTACT ..................................... 66
VALVE SEAT REPLACEMENT ........................... 66
VALVE SPRING SQUARENESS ......................... 67
VALVE SPRING DIMENSIONS AND VALVE
SPRING PRESSURE LOAD ............................... 68
ENGINE ASSEMBLY ................................................ 69
Removal and Installation ........................................ 69
REMOVAL .......................................................
.... 69
INSTALLATION .................................................... 71
INSPECTION AFTER INSTALLATION ................ 71
CYLINDER BLOCK ................................................... 73
Disassembly and Assembly .................................... 73
DISASSEMBLY ................................................... 74
ASSEMBLY ......................................................... 78
How to Select Piston and Bearing .......................... 82
DESCRIPTION .................................................... 82
HOW TO SELECT PISTON ................................. 83
HOW TO SELECT CONNECTING ROD BEAR-
ING ...................................................................... 83HOW TO SELECT MAIN BEARING .................... 85
Inspection After Disassembly .................................. 88
CRANKSHAFT END PLAY .................................. 88
CONNECTING ROD SIDE CLEARANCE ........... 89
PISTON AND PISTON PIN CLEARANCE ........... 89
PISTON RING SIDE CLEARANCE ..................... 90
PISTON RING END GAP .................................... 90
CONNECTING ROD BEND AND TORSION ....... 91
CONNECTING ROD BEARING (BIG END) ........ 91
CONNECTING ROD BUSHING OIL CLEAR-
ANCE (SMALL END) ........................................... 91
CYLINDER BLOCK DISTORTION ...................... 92
INNER DIAMETER OF MAIN BEARING HOUS-
ING ....................................................................... 93
PISTON TO CYLINDER BORE CLEARANCE .... 93
OUTER DIAMETER OF CRANKSHAFT JOUR-
NAL ...................................................................... 94
OUTER DIAMETER OF CRANKSHAFT PIN ...... 94
OUT-OF-ROUND AND TAPER OF CRANK-
SHAFT ................................................................. 94
CRANKSHAFT RUNOUT .................................... 95
CONNECTING ROD BEARING OIL CLEAR-
ANCE ................................................................... 95
MAIN BEARING OIL CLEARANCE ..................... 95
MAIN BEARING CRUSH HEIGHT ...................... 96
OUTER DIAMETER OF LOWER CYLINDER
BLOCK MOUNTING BOLT .................................. 96
OUTER DIAMETER OF CONNECTING ROD
BOLT .................................................................... 96
MOVEMENT AMOUNT OF FLYWHEEL (M/T
MODELS) ............................................................. 97
SERVICE DATA AND SPECIFICATIONS (SDS) ...... 98
Standard and Limit .................................................. 98
GENERAL SPECIFICATIONS ............................. 98
DRIVE BELTS ...................................................... 98
INTAKE MANIFOLD AND EXHAUST MANI-
FOLD ................................................................... 98
SPARK PLUG ...................................................... 98
CYLINDER HEAD ................................................ 98
VALVE .................................................................. 99
CAMSHAFT AND CAMSHAFT BEARING .........102
CYLINDER BLOCK ............................................102
PISTON, PISTON RING AND PISTON PIN .....
.103
CONNECTING ROD ..........................................104
CRANKSHAFT ...................................................105
MAIN BEARING .................................................106
CONNECTING ROD BEARING .........................107
Tightening Torque .................................................108
YD22DDTi
PRECAUTIONS .......................................................110
Precautions for Drain Engine Coolant ...................110
Precautions for Disconnecting Fuel Piping ...........110
Precautions for Removal and Disassembly ..........110
Precautions for Inspection, Repair and Replace-
ment ......................................................................110
Precautions for Assembly and Installation ............110

PRECAUTIONS
EM-5
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[QR]PRECAUTIONSPFP:00001
Precautions for Drain Engine CoolantEBS00KN0
Drain engine coolant when engine is cooled.
Precautions for Disconnecting Fuel PipingEBS00KN1
●Before starting work, make sure no fire or spark producing items are in the work area.
●Release fuel pressure before disassembly.
●After disconnecting pipes, plug openings to stop fuel leakage.
Precautions for Removal and DisassemblyEBS00KN2
●When instructed to use special service tools, use the specified tools. Always be careful to work safely,
avoid forceful or uninstructed operations.
●Exercise maximum care to avoid damage to mating or sliding surfaces.
●Cover openings of engine system with tape or the equivalent, if necessary, to seal out foreign materials.
●Mark and arrange disassembly parts in an organized way for easy troubleshooting and re-assembly.
●When loosening nuts and bolts, as a basic rule, start with the one furthest outside, then the one diagonally
opposite, and so on. If the order of loosening is specified, do exactly as specified.
Precautions for Inspection, Repair and ReplacementEBS00KN3
Before repairing or replacing, thoroughly inspect parts. Inspect new replacement parts in the same way, and
replace if necessary.
Precautions for Assembly and InstallationEBS00MRZ
●Use torque wrench to tighten bolts or nuts to specification.
●When tightening nuts and bolts, as a basic rule, equally tighten in several different steps starting with the
ones in center, then ones on inside and outside diagonally in this order. If the order of tightening is speci-
fied, do exactly as specified.
●Replace with new gasket, packing, oil seal or O-ring.
●Thoroughly wash, clean, and air-blow each part. Carefully check oil or coolant passages for any restriction
and blockage.
●Avoid damaging sliding or mating surfaces. Completely remove foreign materials such as cloth lint or dust.
Before assembly, oil sliding surfaces well.
●Release air within route when refilling after draining coolant.
●Before starting engine, apply fuel pressure to fuel lines with turning ignition switch ON (with engine
stopped). Then mark sure that there are no leaks at fuel line connections.
●After repairing, start engine and increase engine speed to check coolant, fuel, oil, and exhaust systems
for leakage.
Parts Requiring Angular TighteningEBS00KN5
●Use an angle wrench for the final tightening of the following engine parts.
–Cylinder head bolts
–Lower cylinder block bolts
–Connecting rod cap bolts
–Crankshaft pulley bolt (No angle wrench is required as the bolt flange is provided with notches for angular
tightening)
●Do not use a torque value for final tightening.
●The torque value for these parts are for a preliminary step.
●Ensure thread and seat surfaces are clean and coated with engine oil.

EM-26
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OIL PAN AND OIL STRAINER
OIL PAN AND OIL STRAINER
P F P : 1111 0
Removal and InstallationEBS00KNE
REMOVAL
WARNING:
To avoid the danger of being scalded, never drain the engine oil when the engine is hot.
1. Remove engine undercover both side.
2. Drain engine oil. Refer to LU-8, "
Changing Engine Oil" .
3. Remove lower oil pan bolts, Loosen bolts in the reverse order of
that shown in the figure.
KBIA0095E
1. Oil level gauge guide 2. Oil pan upper 3. Cylinder block
4. Oil filter 5. Oil strainer 6. Drain plug
7. Oil pan lower 8. Rear plate cover
KBIA0096E

EM-28
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OIL PAN AND OIL STRAINER
a. Apply liquid gasket thoroughly as in illustration.
Use Genuine Liquid Gasket or equivalent.
b. Install O-rings as front cover side.
c. Tighten bolts in numerical order as shown.
●No. 10, 11and 18 indicate double tightening of bolts No. 1, 2
and 3.
NOTE:
Refer to the below for locating bolts.
M6 × 20 mm (0.79 in): No. 18, 19
M8 × 25 mm (0.98 in): No. 1, 2, 3, 11
M8 x 45 mm (1.77 in): No. 4, 10, 13, 14, 15, 16
M8 x100 mm (3.97 in): No. 5, 6, 7, 8, 9
d. Tighten transmission joint bolts.
e. Install rear plate cover.
3. Install lower oil pan.
Use Genuine Liquid Gasket or equivalent.
●Tighten bolts in numerical order as shown.
4. Install oil pan drain plug.
●Refer to illustration of components of former page for installation direction of washer.
5. Install in the reverse order of removal after this step.
●Pour engine oil at least 30 minutes after oil pan is installed.
INSPECTION AFTER INSTALLATION
●Check engine oil level. Refer to LU-7, "ENGINE OIL" .
●Check for leakage of engine oil when engine is warmed.
SBIA0253E
SBIA0233E
SBIA0254E
KBIA0096E

EM-38
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TIMING CHAIN
REMOVAL
1. Remove the parts listed below.
●Engine hood
●Engine undercover
●PCV hose
●Ignition coil; Refer to EM-29, "IGNITION COIL" .
●Rocker cover; Refer to EM-35, "ROCKER COVER" .
●Engine coolant reservoir tank
●Drive belt; Refer to EM-12, "REMOVAL" .
●Alternator
●Drive belt auto-tensioner; Refer to EM-13, "REMOVAL" .
●Exhaust front tube; Refer to EX-2, "Removal and Installation" .
2. Remove A/C compressor from engine. Temporarily secure A/C compressor to vehicle side with a rope to
avoid putting a load on them.
3. Remove bracket mounting bolts for fixing A/C piping on right strut housing and exhaust manifold cover.
Doing so simplifies moving.
4. Move power steering pump with piping connected, and secure it to vehicle side temporarily.
5. Pull power steering reservoir tank out of brackets to move power steering piping.
CAUTION:
To avoid power steering fluid leakage, temporarily fix reservoir tank vertically.
6. Suspend engine with a hoist, and support the engine posture.
For installation of engine slingers, refer to EM-69, "
ENGINE ASSEMBLY" .
7. Remove RH engine mount insulator.
8. Remove center member and rear engine mounting bracket.
9. Drain engine oil.
10. Remove oil pan upper and lower, and oil strainer. Refer to EM-26, "
OIL PAN AND OIL STRAINER" .
11. Remove intake valve timing control cover.
a. Loosen bolts in reverse order shown in the figure.
b. Remove the cover using Tool (Seal cutter).
CAUTION:
Be careful not to damage mounting surface.
12. Pull chain guide between camshaft sprockets out through front
cover.
13. Set No. 1 cylinder at TDC on its compression stroke with the fol-
lowing procedure.
a. Rotate crankshaft pulley clockwise and align mating marks to
timid indicator on front cover.
KBIA0085E
KBIA0190E

EM-60
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CYLINDER HEAD
●If the engine speed is out of specified range, check battery liquid for proper gravity. Check engine
speed again with normal battery gravity.
●If compression pressure is below minimum value, check valve clearances and parts associated with
combustion chamber (Valve, valve seat, piston, piston ring, cylinder bore, cylinder head, cylinder head
gasket). After the checking, measure compression pressure again.
●If some cylinders have low compression pressure, pour small amount of engine oil into the spark plug
hole of the cylinder to re-check it for compression.
–If the added engine oil improves the compression, the piston rings may be worn out or damaged. Check
the piston rings and replace if necessary.
–If the compression pressure remains at low level despite the addition of engine oil, the valves may be
malfunctioning. Check the valves for damage. Replace the valve or valve seat accordingly.
●If two adjacent cylinders have respectively low compression pressure and their compression remains
low even after the addition of engine oil, the gaskets are leaking. In such a case, replace the cylinder
head gaskets.
8. Install spark plug, ignition coil and harness connectors.
Removal and InstallationEBS00KNQ
REMOVAL
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. Drain engine coolant and engine oil.
3. Remove the following components and related parts.
●Engine hood and engine undercover.
●Air cleaner case and air duct assembly; Refer to EM-14, "AIR CLEANER AND AIR DUCT" .
●Ignition coils; Refer to EM-29, "IGNITION COIL" .
●Rocker cover; Refer to EM-35, "ROCKER COVER" .
●Engine coolant reservoir tank
●Drive belt; Refer to EM-12, "REMOVAL" .
●Alternator
●Drive belt auto-tensioner; Refer to EM-13, "REMOVAL" .
●Exhaust front tube; Refer to EX-2, "Removal and Installation" .
●Exhaust manifold; Refer to EM-24, "EXHAUST MANIFOLD AND THREE WAY CATALYST" .
KBIA0250E
1. Cylinder head assembly 2. Cylinder head gasket 3. Cylinder head bolt

EM-70
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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

CYLINDER BLOCK
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●A commercial engine stand can be used.
NOTE:
This example is an engine stand for holding at transaxle
mounting side with the flywheel or drive plate removed.
3. Drain engine oil and engine coolant from inside of engine.
4. Remove the following components and associated parts.
●Exhaust manifold and three way catalyst assembly; Refer to
EM-24, "
EXHAUST MANIFOLD AND THREE WAY CATA-
LYST" .
●Intake manifold collector; Refer to EM-16, "INTAKE MANI-
FOLD" .
●Intake manifold and fuel tube assembly; Refer to EM-16, "INTAKE MANIFOLD" .
●Ignition coil; Refer to EM-29, "IGNITION COIL" .
●Rocker cover; Refer to EM-35, "ROCKER COVER" .
●Oil pan and oil strainer; Refer to EM-26, "OIL PAN AND OIL STRAINER" .
●Front cover, timing chain and balancer unit; Refer to EM-37, "TIMING CHAIN" .
●Camshaft; Refer to EM-46, "CAMSHAFT" .
●Cylinder head; Refer to EM-59, "CYLINDER HEAD" .
5. Remove knock sensor.
CAUTION:
Carefully handle the sensor avoiding shocks.
6. Remove crankshaft position sensor (POS).
CAUTION:
●Avoid impacts such as a dropping.
●Do not disassemble.
●Keep it away from metal particles.
●Do not place sensor close to magnetic materials.
7. Remove flywheel (M/T model) or drive plate (A/T model). Fix crankshaft with a stopper plate, and remove
mounting bolts.
Torx bit (size T55): Flywheel (M/T model)
Torx socket (size T55): Drive plate (A/T model)
CAUTION:
Be careful not to damage contact surface for the clutch disc
of the flywheel.
NOTE:
The flywheels, two block construction, allows movement in
response to transmission side pressure, or when twisted in its
rotational direction. Therefore, some amount of noise is normal.
PBIC0085E
SBIA0273E
KBIA0062E

EM-108
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SERVICE DATA AND SPECIFICATIONS (SDS)
Bearing Oil Clearance
Unit: mm (in)
Tightening TorqueEBS00KNY
Unit: N·m (kg-m, ft-lb)
Unit: N·m (kg-m, in-lb)*2
Connecting rod bearing oil clearanceStandard 0.028 - 0.045 (0.0011 - 0.0018)
Limit 0.10 (0.0039)
*1: Parts to be tightened in particular orders.
1)-: Order of tightening when tightening two or more times separately.
Auto-tensioner 19.6 - 23.5 (2.0 - 2.4, 15 - 17)
Mass air flow sensor
3.8 - 4.5 (0.39 - 0.46, 34 - 39) *
2
Resonator
3.8 - 4.5 (0.39 - 0.46, 34 - 39)*2
Air cleaner case lower
3.8 - 4.5 (0.39 - 0.46, 34 - 39)*2
*1 Intake manifold17.6 - 21.6 (1.8 - 2.2, 13 - 15)
Intake manifold collector 17.6 - 21.6 (1.8 - 2.2, 13 - 15)
Intake manifold support 17.6 - 21.6 (1.8 - 2.2, 13 - 15)
Electric throttle control actuator
7.2 - 9.6 (0.74 - 0.98, 64 - 84) *
2
EVAP canister purge volume control solenoid valve
4.3 - 5.8 (0.44 - 0.59, 38 - 51) *2
*1 Exhaust manifold 39.2 - 44.1 (4.0 - 4.5, 29 - 32)
Exhaust manifold cover
5.1 - 6.5 (0.52 - 0.66, 46 - 57) *
2
Heated oxygen sensor 40 - 50 (4.1 - 5.1, 30 - 36)
*1 Oil pan upper M6 bolt
8.1 - 9.5 (0.83 - 0.97, 72 - 84) *
2
M8 bolt 19.6 - 23.5 (2.0 - 2.4, 15 - 17)
Oil pan upper to transmission joint bolts 39.2 - 46.1 (4.0 - 4.7, 29 - 34)
*1 Oil pan lower
6.4 - 7.5 (0.65 - 0.76, 57 - 66) *
2
Oil pan drain plug29.4 - 39.2 (3.0 - 4.0, 22 - 28)
Rear plate cover
6.4 - 7.5 (0.65 - 0.76, 57 - 66) *
2
Oil strainer M6 bolt
8.1 - 9.5 (0.83 - 0.97, 72 - 84) *2
M8 bolt 19.6 - 23.5 (2.0 - 2.4, 15 - 17)
Oil level gauge guide 19.6 - 23.5 (2.0 - 2.4, 15 - 17)
Ignition coil
5.4 - 7.3 (0.55 - 0.75, 48 - 64) *
2
Spark plug19.6 - 29.4 (2.0 - 3.0, 15 - 21)
*1 Fuel tube1)
2)9.3 - 10.8 (0.95 - 1.1, 0.7 - 0.8) *
2
20.6 - 26.5 (2.1 - 2.7, 16 - 19)
*1 Rocker cover1)
2)0.98 - 2.9 (0.1 - 0.3, 9 - 25) *
2
7.4 - 9.3 (0.75 - 0.95, 66 - 82) *2
PCV valve
1.96 - 2.94 (0.20 - 0.30, 18 - 26) *2
Intake valve timing control solenoid valve
5.4 - 7.3 (0.55 - 0.75, 48 - 64) *2
*1 Intake valve timing control cover 11.8 - 13.7 (1.2 - 1.4, 9 - 10)
Camshaft position sensor (PHASE)
5.4 - 7.3 (0.55 - 0.75, 48 - 64) *
2
Camshaft sprocket (Intake and Exhaust) 127- 157 (13.0 - 16.0, 94 - 115)
Chain tensioner
6.4 - 7.5 (0.65 - 0.76, 57 - 66) *
2

EM-110
[YD22DDTi]
PRECAUTIONS
[YD22DDTi]PRECAUTIONSPFP:00001
Precautions for Drain Engine CoolantEBS00LQZ
Drain engine coolant when engine is cooled.
Precautions for Disconnecting Fuel PipingEBS00LR0
●Before starting work, make sure no fire or spark producing items are in the work area.
●Release fuel pressure before disassembly.
●After disconnecting pipes, plug openings to stop fuel leakage.
Precautions for Removal and DisassemblyEBS00LR1
●When instructed to use special service tools, use the specified tools. Always be careful to work safely,
avoid forceful or uninstructed operations.
●Exercise maximum care to avoid damage to mating or sliding surfaces.
●Cover openings of engine system with tape or the equivalent, if necessary, to seal out foreign materials.
●Mark and arrange disassembly parts in an organized way for easy troubleshooting and re-assembly.
●When loosening nuts and bolts, as a basic rule, start with the one furthest outside, then the one diagonally
opposite, and so on. If the order of loosening is specified, do exactly as specified.
Precautions for Inspection, Repair and ReplacementEBS00LR2
Before repairing or replacing, thoroughly inspect parts. Inspect new replacement parts in the same way, and
replace if necessary.
Precautions for Assembly and InstallationEBS00LR3
●Use torque wrench to tighten bolts or nuts to specification.
●When tightening nuts and bolts, as a basic rule, equally tighten in several different steps starting with the
ones in center, then ones on inside and outside diagonally in this order. If the order of tightening is speci-
fied, do exactly as specified.
●Replace with new liquid gasket, packing, oil seal or O-ring.
●Thoroughly wash, clean, and air-blow each part. Carefully check engine oil or engine coolant passages for
any restriction and blockage.
●Avoid damaging sliding or mating surfaces. Completely remove foreign materials such as cloth lint or dust.
Before assembly, engine oil sliding surfaces well.
●Release air within route when refilling after draining coolant.
●After repairing, start engine and increase engine speed to check engine coolant, fuel, engine oil, and
exhaust systems for leakage.
Parts Requiring Angular TighteningEBS00LR4
●Use an angle wrench for the final tightening of the following engine parts:
–Cylinder head bolts
–Main bearing cap bolts
–Connecting rod cap nuts
–Crankshaft pulley bolt (No angle wrench is required as the bolt flange is provided with notches for angular
tightening)
●Do not use a torque value for final tightening.
●The torque value for these parts are for a preliminary step.
●Ensure thread and seat surfaces are clean and coated with engine oil.