NISSAN TEANA 2014 Service Manual

OIL SEALEM-203
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OIL SEAL
Removal and Installation of Valve Oil SealINFOID:0000000009460571
REMOVAL
1. Turn crankshaft until the cylinder requiring new oil seal
s is at TDC. This will prevent valve from dropping
into cylinder.
CAUTION:
When rotating crankshaft, be careful to avoid scarring the front cover with the timing chain.
2. Remove camshaft relating to valve oil seal to be removed. Refer to EM-194, "Removal and Installation"
.
3. Remove valve lifters. Refer to EM-210, "Disassembly and Assembly"
.
4. Remove valve collet, valve spring retainer and valve spring using Tool.
CAUTION:
When working, take care not to damage valve lifter holes.
• Compress valve spring using Tool attachment, adapter. Remove valve collet with magnet hand.
5. Remove valve oil seal using Tool.
INSTALLATION
1. Apply new engine oil to new valve oil seal joint surface and seal lip.
2. Press in valve oil seal using Tool to specified height (H).
NOTE:
Height (H): height measured before valve spring seat installa-
tion.
3. Installation of the remaining components is in the reverse order of removal.
Removal and Installati on of Front Oil SealINFOID:0000000009460572
REMOVAL
1. Remove the following parts:
• Engine under cover. Refer to EXT-17, "Removal and Installation"
.
• Drive belts. Refer to EM-134, "Removal and Installation"
.
• Cooling fan. Refer to CO-42, "Removal and Installation"
.
Tool numbers : KV10116200 (J-26336-A)
: KV10115900 (J-26336-20)
: KV10109230 ( — )
WBIA0578E
Tool number : KV10107902 (J-38959)
WBIA0489E
Tool number : — (J-39386)
Intake and exhaust : 14.3 - 14.9 mm (0.563 - 0.587 in)
WBIA0490E
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EM-204
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OIL SEAL
2. Remove the crankshaft pulley as follows:
a. Remove the access plate and lock the ring gear using Tool.
CAUTION:
Do not damage the ring gear teeth, or the signal plate teeth behind the ring gear when setting the
stopper.
b. Loosen crankshaft pulley bolt and locate bolt seating surface at 10 mm (0.39 in) from its original position.
c. Position a pulley puller at recess hole of crankshaft pulley to remove crankshaft pulley.
CAUTION:
Do not use a puller claw on crankshaft pulley periphery.
3. Remove front oil seal from front cover using suitable tool. CAUTION:
Be careful not to damage front cover or crankshaft.
INSTALLATION
1. Apply new engine oil to new front oil seal and install.
• Install new front oil seal in the direction as shown.
CAUTION:
• Press fit straight and avoid causing burrs or tilting the
front oil seal.
• Do not reuse front oil seal.
• Press-fit front oil seal until it becomes flush with the timing chain
case end face, using suitable tool.
• Make sure the garter spring in the front oil seal is in position and seal lip is not inverted. Tool number : — (J-50288)
EMQ0477D
WBIA0680E
SEM715A
PBIC0790E
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OIL SEALEM-205
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2. Install crankshaft pulley and tighten the bolt in two steps.
• Lubricate thread and seat surface of the bolt with new engine oil.
• For the second step angle tighten using Tool.
3. Remove Tool and install the access plate. CAUTION:
Do not damage the ring gear teeth, or the sign al plate teeth behind the ring gear, when removing
the Tool.
4. Installation of the remaining components is in reverse order of removal.
Removal and Installation of Rear Oil SealINFOID:0000000009460573
REMOVAL
1. Remove the engine assembly. Refer to EM-220, "Removal and Installation".
2. Remove drive plate. Refer to EM-224, "Disassembly and Assembly"
.
3. Drain engine oil. Refer to MA-27, "ENGINE OIL : Changing Engine Oil"
.
4. Remove the upper oil pan and oil strainer. Refer to EM-157, "Removal and Installation (Upper Oil Pan)"
.
5. Remove rear oil seal retainer using Tool.
CAUTION:
• Be careful not to damage mating surface.
• If rear oil seal retainer is removed, replace it with a new
one.
NOTE:
Rear oil seal and retainer form a single part and are replaced as
an assembly.
INSTALLATION
1. Remove old liquid gasket material from mating surface of cylinder block and oil pan using a suitable scraper.
2. Install the rear oil seal retainer using Tool (A).
a. Loosen the wing nut (B) on the end of the Tool (A).
b. Insert the arbor (D) into the crankshaft pilot hole until the outer lip (C) of the Tool (A) covers the edge of the crankshaft sealing
surface.
c. Tighten the wing nut (B) to secure the Tool (A) to the crankshaft. Step 1 : 44 N·m (4.5 kg-m, 32 ft-lb)
Step 2 : 84 ° - 90 ° degrees clockwise
Tool number : KV10112100 (BT-8653-A)
Tool number : — (J-50288)
Tool Number : KV10111100 (J-37228)
SEM830E
Tool number : — (J-47128)
ALBIA0652ZZ
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EM-206
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OIL SEAL
d. Apply sealant to rear oil seal retainer as shown.
Use Genuine Silicone RTV Seal ant, or equivalent. Refer to
GI-21, "Recommended Chemi cal Products and Sealants"
.
• Assembly should be completed within 5 minutes after coating.
e. Lubricate the sealing surface of the new rear main seal with new engine oil.
f. Slide the new rear main seal (1) over the Tool (A) and onto the crankshaft.
g. Loosen the wing nut and push the threaded rod into the handle to remove the Tool (A).
h. Tighten the rear oil seal retainer bolts to specification.
3. Installation of the remaining components is in the reverse order of removal. CAUTION:
• When replacing an engine or transmission you must make sure the dowels are installed cor-
rectly during re-assembly.
• Improper alignment caused by missing dowels may cause vibration, oil leaks or breakage of
drivetrain components.
AWBIA0028ZZ
ALBIA0653ZZ
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CYLINDER HEADEM-207
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CYLINDER HEAD
Exploded ViewINFOID:0000000009460574
Removal and InstallationINFOID:0000000009460575
REMOVAL
1. Remove the rear timing chain case. Refer to
EM-189, "Removal and Installation".
2. Remove the intake manifold. Refer to EM-149, "Removal and Installation"
.
3. Remove the intake and exhaust camshafts. Refer to EM-194, "Removal and Installation"
.
4. Remove exhaust manifolds. Refer to EM-153, "Removal and Installation (RH)"
.
5. Remove the coolant outlet housing. Refer to CO-51, "Removal and Installation"
.
6. Remove the RH and LH cylinder head bolts, with power tool. • The bolts should be loosened gradually in three stages.
• Loosen the bolts in the numerical order as shown.
1. Cylinder head bolt 2. Cylinder head 3. Cylinder head gasket
4. Engine block A. Follow INSTALLATION procedure
ALBIA0260ZZ
SEM859E
SEM860E
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EM-208
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CYLINDER HEAD
7. Remove cylinder heads and gaskets.
• Discard the cylinder head gaskets and use new gaskets forinstallation.
INSTALLATION
1. Turn the crankshaft until No. 1 piston is set at TDC on the com- pression stroke.
• The crankshaft key should line up with the right bank cylinder
center line as shown.
2. Install new gaskets on the cylinder heads.
3. Inspect the cylinder head bolts before installing the cylinder heads. CAUTION:
Cylinder head bolts are tighte ned by degree rotation tight-
ening method. Whenever the size difference between d1
and d2 exceeds the limit, replace the bolts with new ones.
• Lubricate threads and seat surfaces of the bolts with new
engine oil.
SEM863E
SEM532G
SEM445G
Limit (d1 - d2) : 0.11 mm (0.0043 in)
SEM957E
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CYLINDER HEADEM-209
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4. Install the cylinder heads on the cylinder block. Tighten the cylin-
der head bolts in five steps in the numerical order as shown
using Tool.
• Tightening procedure:
5. Installation of the remaining components is in the reverse order of removal. Tool Number : KV10112100 (BT-8653-A)
SEM879EA
Cylinder head bolts
Step a : 98.1 N·m (10 kg-m, 72 ft-lb)
Step b : Loosen in the reverse order of tightening
Step c : 39.2 N·m (4.0 kg-m, 29 ft-lb)
Step d : 103 ° degrees rotation clockwise
Step e : 103 ° degrees rotation clockwise
SEM877EA
SEM878EA
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EM-210
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CYLINDER HEAD
Disassembly and Assembly
INFOID:0000000009460576
CAUTION:
• When installing camshafts, chain tensioners, oil seal s, or other sliding parts, lubricate contacting
surfaces with new engine oil.
• Apply new engine oil to threads and seat surface when installing cylinder head, camshaft sprocket,
crankshaft pulley, and camshaft bracket.
AWBIA1353ZZ
1. Valve collet 2. Valve spring retainer 3. Valve spring
4. Valve oil seal 5. Valve spring seat 6. Valve guide
7. Spark plug tube 8. Lifter (INT) 9. Lifter (EXH)
10. Cylinder head 11. Valve seat (EXH) 12. Valve seat (INT)
13. Valve (EXH) 14. Valve (INT)
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CYLINDER HEADEM-211
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• Attach tags to valve lifters so as not to mix them up.
DISASSEMBLY
1. Remove spark plug.
2. Remove valve lifter. • Identify installation positions, and store them without mixing them up.
3. Remove valve collet. • Compress valve spring and remove valve collet with magnet
hand using Tool.
CAUTION:
When working, take care not to damage valve lifter holes.
4. Remove valve spring retainer, valve spring and valve spring seat.
5. Push valve stem to combustion chamber side, and remove valve. • Identify installation positions, and store them without mixing them up.
6. Remove valve oil seals using Tool.
7. If valve seat must be replaced, refer to EM-212, "Inspection After Disassembly"
.
8. If valve guide must be replaced, refer to EM-212, "Inspection After Disassembly"
.
9. Remove spark plug tube, as necessary. • Using pair of pliers, pull spark plug tube out of cylinder head.
CAUTION:
• Take care not to damage cylinder head.
• Once removed, spark plug tube will be deforme d and cannot be reused. Do not remove it unless
absolutely necessary.
ASSEMBLY
1. When valve guide is removed, install it. Refer to EM-212, "Inspection After Disassembly".
2. When valve seat is removed, install it. Refer to EM-212, "Inspection After Disassembly"
.
3. Install valve oil seals using Tool.
4. Install valve spring seat.
5. Install valves. • Install it in the original position.
NOTE:
Larger diameter valves are for intake side. Tool numbers : KV10109230 ( — )
: KV10116200 (J-26336-A)
: KV10115900 (J-26336-20)
WBIA0578E
Tool number : KV10107902 (J-38959)
WBIA0489E
Tool number : — (J-39386)
Height (H) (Without valve spring seat installed) Intake and exhaust : 14.3 - 14.9 mm (0.563 - 0.587 in)
WBIA0490E
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EM-212
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CYLINDER HEAD
6. Install valve spring (uneven pitch type) with narrow pitch end
(paint mark) to cylinder head side (valve spring seat side).
7. Install valve spring retainer.
8. Install valve collet. • Compress valve spring with valve spring compressor, attach-
ment and adapter using Tool. Install valve collet with magnet
hand.
CAUTION:
When working, take care not to damage valve lifter holes.
• Tap valve stem edge lightly with plastic hammer after installa-
tion to check its installed condition.
9. Install valve lifter. • Install it in the original position.
10. Install spark plug tube, if removed. • Press-fit spark plug tube as follows:
a. Remove old liquid gasket adhering to cylinder head mounting hole.
b. Apply sealant to area within approximately 12 mm (0 .47 in) from edge of spark plug tube press-fit side.
Use Genuine High Strength Locking Sealant or equivalent. Refer to EM-124, "Precaution for Liquid
Gasket".
c. Press-fit spark plug tube so that its height (H) is as specified in using suitable tool.
CAUTION:
• When press-fitting, take care not to deform spark plug tube.
• After press-fitting, wipe off liquid gasket protruding onto
cylinder-head upper face.
11. Install spark plug. Refer to EM-132, "Removal and Installation"
.
Inspection After DisassemblyINFOID:0000000009460577
CYLINDER HEAD DISTORTION
Clean the surface of the cylinder head. Use a reliabl e straightedge and feeler gauge to check the flatness of
cylinder head surface.
SEM085D
Tool numbers : KV10109230 ( — )
: KV10116200 (J-26336-A)
: KV10115900 (J-26336-20)
WBIA0578E
Press-fit height (H) : 37.7 - 39.1 mm (1.484 - 1.529 in)
PBIC2638E
Revision: November 20132014 Altima NAM