SEC NISSAN TEANA 2014 Service Manual

EM-166
< REMOVAL AND INSTALLATION >[VQ35DE]
FUEL INJECTOR AND FUEL TUBE
• Do not reuse O-rings.
• Upper and lower O-rings are different. Be careful not to confuse them.
• Handle O-ring with bare hands. Do not wear gloves.
• Lubricate O-ring with new engine oil.
• Do not clean O-ring with solvent.
• Check that O-ring and its mating pa rt are free of foreign material.
• When installing O-ring, be careful not to scratch it with tool or fingernails. Also be careful not to
twist or stretch O-ring. If O-ring was stretc hed while it was being attached, do not insert it
quickly into fuel tube.
• Insert O-ring straight into fu el injector. Do not twist it.
3. Install fuel injector to fuel tube as follows:
a. Insert clip (3) into clip groove (F) on fuel injector (5).
• Insert clip so that protrusion (E ) of fuel injector matches cutout
(C) of clip.
CAUTION:
• Do not reuse O-rings.
• Do not reuse clip. Replace it with new one.
• Be careful to keep clip from interfering with O-ring. If interference occurs, replace O-ring.
b. Insert fuel injector into fuel tube (1) with clip attached. • Insert it while matching it to the axial center.
• Insert fuel injector so that protrusion (A) of fuel tube matches
cutout (B) of clip.
• Check that fuel tube flange (G) is securely fixed in flange fixing
groove (D) on clip.
c. Check that installation is complete by checking that fuel injector does not rotate or come off.
• Check that protrusions of fuel injectors and fuel tubes are
aligned with cutouts of clips after installation.
4. Install fuel tube and fuel injector assembly to intake manifold. CAUTION:
Be careful not to let tip of injector nozzle come in contact with other parts.
• Tighten bolts in two steps in numerical order as shown.
5. Connect fuel injector harness.
6. Install intake manifold collector. Refer to EM-146, "Removal and Installation"
.
7. Connect quick connector between fuel feed hose and fuel tube connection with the following procedure:
a. Check no foreign substances are deposited in and around fuel tube and quick connector, and no damage on them.Fuel tube side : Black
Nozzle side : Green
(2) : O-ring (black)
(4) : O-ring (green)
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: Engine front
1st step : 10.1 N·m (1.0 kg-m, 7 ft-lb)
2nd step : 22.0 N·m (2.2 kg-m, 16 ft-lb)
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FUEL INJECTOR AND FUEL TUBEEM-167
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b. Thinly apply new engine oil around fuel tube from tip end to spool end.
c. Align center to insert quick connector straightly into fuel tube. • Insert quick connector (1) to fuel tube until top spool (2) is
completely inside quick connector, and 2nd level spool (3)
exposes right below quick connector.
CAUTION:
• Do not reuse O-ring.
• Hold (A) position as shown when inserting fuel tube into quick connector.
• Carefully align center to avoid inclined insertion to pre-
vent damage to O-ring inside quick connector.
• Insert until you hear a “click” sound and actually feel the engagement.
• To avoid misidentification of enga gement with a similar sound, be sure to perform the next step.
d. Pull quick connector by hand holding position. Check it is completely engaged (connected) so that it does
not come out from fuel tube.
e. Install quick connector cap (3) to quick connector.
• Install quick connector cap with arrow (A) on surface facing indirection of quick connector (fuel feed hose side).
CAUTION:
If quick connector cap cannot be installed smoothly, quick
connector may have not been installed correctly. Check
connection again.
f. Secure fuel feed hose to clamp of quick connector cap.
8. Installation of the remaining components is in the reverse order of removal.
INSPECTION AFTER INSTALLATION
Make sure there is no fuel leakage at connections as follows:
1. Apply fuel pressure to fuel lines by turning i gnition switch ON (with engine stopped). Then check for fuel
leaks at connections.
2. Start the engine and rev it up and check for fuel leaks at connections. WARNING:
Do not touch engine immediately after stopping as engine is extremely hot.
NOTE:
Use mirrors for checking on connections out of the direct line of sight.
• Perform procedures for “Throttle Valve Closed Position Learning” after finishing repairs. Refer to EC-
682, "Work Procedure".
• If electric throttle control actuator is replaced, perform procedures for “Idle Air Volume Learning” after
finishing repairs. Refer to EC-683, "Work Procedure"
.
(B) : Installed condition
: Upright insertion
(1) : Fuel feed hose
(2) : Fuel tube
(B) : Upper view
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EM-174
< REMOVAL AND INSTALLATION >[VQ35DE]
FRONT TIMING CHAIN CASE
FRONT TIMING CHAIN CASE
Exploded ViewINFOID:0000000009460562
Removal and InstallationINFOID:0000000009460563
NOTE:
• This section describes the procedure for removal/instal lation of the front timing chain case without removing
the engine from the vehicle.
• When rear timing chain case must be removed, remove the engine from the vehicle. Then remove front tim-
ing chain case, timing chain related parts, and rear timing chain case in this order, and install in reverse
order of removal. Refer to EM-189, "Removal and Installation"
.
• Refer to EM-182, "Exploded View"
for component parts location.
• When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from
spilling.
1. Intake valve timing control sole-
noid valve cover gasket (LH) 2. Intake valve timing control sole-
noid valve cover gasket (RH) 3. Intake valve timing control sole-
noid valve cover (RH)
4. Intake valve timing control sole- noid valve (RH) with O-ring 5. Intake valve timing control sole-
noid valve (LH) with O-ring 6. Water pump cover
7. Intake valve timing control sole- noid valve cover (LH) 8. Crankshaft pulley 9. Front oil seal
10. Front timing chain case A. Refer to INSTALLATION
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EM-180
< REMOVAL AND INSTALLATION >[VQ35DE]
FRONT TIMING CHAIN CASE
8. Install upper oil pan bolts (1) and (2) as shown. Refer to
EM-157,
"Removal and Installation (Upper Oil Pan)".
9. Install lower oil pan. Refer to EM-156, "Removal and Installation (Lower Oil Pan)"
.
10. Install intake valve timing control solenoid valve covers as follows:
a. Install new O-rings in shaft grooves. CAUTION:
Do not reuse O-rings.
b. Being careful not to move O-rings from the installation grooves, align dowel pins on front timing chain case with the holes to install valve timing control covers.
c. Tighten intake valve timing control solenoid valve cover bolts in numerical order as shown.
11. Apply liquid gasket and install the water pump cover, if removed. • Use Genuine Silicone RTV Sealant or equivalent. Refer to GI-21, "Recommended Chemical Products
and Sealants".
12. Install crankshaft pulley and tighten the bolt in two steps. • Lubricate thread and seat surface of the bolt with new engineoil.
• Apply a paint mark for the second step of angle tightening.
13. Remove Tool and install the access plate. CAUTION:
Do not damage the ring gear teeth, or the signa l plate teeth behind the ring gear, when removing
the Tool.
14. Rotate crankshaft pulley in normal direction (clock wise when viewed from front) to confirm it turns
smoothly.
15. Installation of the remaining components is in the reverse order of removal.
INSPECTION AFTER INSTALLATION
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(A) : Bank 1 (RH)
(B) : Bank 2 (LH)
(C) : Dowel pin hole
Intake valve timing control
solenoid valve cover bolts : 11.3 N·m (1.2 kg-m, 8 ft-lb)
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Step 1 : 44 N·m (4.5 kg-m, 32 ft-lb)
Step 2 : 84 ° - 90 ° degrees clockwise
Tool Number : KV10112100 (BT-8653-A)
SEM531G
Tool number : — (J-50288)
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EM-182
< REMOVAL AND INSTALLATION >[VQ35DE]
TIMING CHAIN
TIMING CHAIN
Exploded ViewINFOID:0000000009460564
Removal and InstallationINFOID:0000000009460565
CAUTION:
• After removing timing chain, do not turn the crankshaft and camsh aft separately, or the valves will
strike the pistons.
• When installing camshafts, chain tensioners, oil seal s, or other sliding parts, lubricate contacting
surfaces with new engine oil.
• Apply new engine oil to bolt threads and seat surfaces when inst alling camshaft sprockets, camshaft
brackets, and crankshaft pulley.
REMOVAL
1. Remove front timing chain case. Refer to EM-174, "Removal and Installation".
1. Timing chain tensioner 2. Internal chain guide 3. Timing chain tensioner
4. Camshaft sprocket (EXH) 5. Timing chain (secondary) 6. Timing chain (primary)
7. Camshaft sprocket (INT) 8. Camshaft sprocket (INT) 9. Timing chain (secondary)
10. Camshaft sprocket (EXH) 11. Slack guide 12. Crankshaft sprocket
13. Rear timing chain case 14. Tension guide 15. O-ring
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TIMING CHAINEM-183
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2. Remove the intake manifold collector. Refer to
EM-146, "Removal and Installation".
3. Place paint marks on the timing chain and sprockets to indicate the correct position of the components for
installation.
4. Remove the timing chain tensioner (primary).
a. Pull lever down and release plunger stopper tab. Plunger stop- per tab can be pushed up to release (coaxial structure with
lever).
b. Insert stopper pin into tensioner body hole to hold lever, and keep the tab released. An Allen wrench [1.2 mm (0.047 in)] is
used for a stopper pin as an example.
c. Insert plunger into tensioner body by pressing the slack side chain guide.
d. Keep the slack side chain guide pressed and hold it by pushing the stopper pin through the lever hole and body hole.
e. Remove the bolts and remove the timing chain tensioner.
5. Remove the internal chain guide, and slack guide.
6. Remove primary timing chain and crankshaft sprocket. CAUTION:
After removing timing chain, do not turn the crankshaft and camsh aft separately, or the valves will
strike the pistons.
7. Attach a suitable stopper pin to the right and left camshaft chain tensioners (for secondary timing chains).
8. Remove timing chain (secondary) and camshaft sprockets as follows:
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EM-184
< REMOVAL AND INSTALLATION >[VQ35DE]
TIMING CHAIN
a. Attach a suitable stopper pin (B) to the bank 1 (A) and bank 2
(C) timing chain tensioners (secondary) (1).
NOTE:
• Use approximately 0.5 mm (0.02 in) diameter hard metal pin
as a stopper pin.
• Removal of camshaft bracket (No. 1) is required prior to
removing the timing chain tensioner (secondary).
b. Remove camshaft sprockets (INT and EXH) bolts. • Apply paint to the timing chain and camshaft sprockets for alignment during installation.
• Secure the hexagonal portion of camshaft using a wrench to
loosen bolts.
CAUTION:
Do not loosen bolts using an ything other than the cam-
shaft hexagonal portion. Do no t apply tension to the tim-
ing chain.
c. Remove timing chain (secondary) together with camshaft sprockets. • Turn camshaft slightly to keep the chain ti ght when removing the timing chain (secondary).
• Insert 0.5 mm (0.020 in) thick metal or resin plate between tim- ing chain and timing chain tensioner plunger (guide) (E).
Remove timing chain (secondary) (2) together with camshaft
sprockets with timing chain loose from guide groove.
CAUTION:
Be careful of plunger coming off when removing timing chain (secondary). The plunger of timing
chain tensioner (secondary) moves during operatio n, which could cause the stopper pin to fall
out.
• Bank 1 shown.
d. Camshaft sprocket (INT) is two-for-one structure of sprockets for timing chain (primary) and for timing
chain (secondary).
CAUTION:
• Handle camshaft sprocket (INT) carefully to avoid any
shock to camshaft sprocket.
• Do not disassemble. [Do not loosen bolts (A) as shown].
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(1) : Timing chain tensioner (secondary)
(A) : Bank 1
(B) : View B
(C) : Stopper pin
(D) : Plate
(F) : Timing chain tensioner (body)
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PBIC2980E
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TIMING CHAINEM-185
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9. Remove the chain tension guide.
INSPECTION
Check for cracks and any excessive
wear of the timing chain. Replace the timing chain as necessary.
INSTALLATION
NOTE:
The illustration shows the relationship between the mating mark on each timing chain and that on the corre-
sponding sprocket, the components installed.
1. Install the timing chain tension guide.
2. Check that dowel pin (A) and crankshaft key (1) are located as shown. (No. 1 cylinder at compression TDC)
NOTE:
Though camshaft does not stop at the position as shown, for the
placement of cam nose, it is generally accepted camshaft is
placed in the same direction.
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1. Internal chain guide 2. Camshaft sprocket (intake) 3. Mating mark (pink link)
4. Mating mark (punched) 5. Secondary timing chain tensioner 6. Mating mark (orange link)
7. Secondary timing chain 8. Camshaft sprocket (exhaust) 9. Tension guide
10. Water pump 11. Crankshaft sprocket 12. Mating mark (notched)
13. Primary timing chain 14. Slack guide 15. Primary timing chain tensioner
16. Mating mark (back side) 17. Crankshaft key
Camshaft dowel pin : At cylinder head upper face side in each bank
Crankshaft key : At cylinder head side of bank 1
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EM-186
< REMOVAL AND INSTALLATION >[VQ35DE]
TIMING CHAIN
3. Install the secondary timing chains and camshaft sprockets.
CAUTION:
Matching marks between the timing chain and sprockets
slip easily. Confirm all matchi ng mark positions repeatedly
during the installation process.
• Push the sleeve of the secondary chain tensioner and keep it
pressed in with a stopper pin.
a. Install timing chain (secondary) (2) and camshaft sprockets [INT (1) and EXH (3)].
NOTE:
Bank 1 shown (rear view).
• Align the mating marks on timing chain (secondary) (orange link) with the mating marks on camshaft sprockets (INT and
EXH), and install them.
• Align dowel pin on camshafts with the groove on sprockets,
and install them.
• Tighten the bolts for the camshaft sprockets by hand enough to prevent the dowel pins from falling out of the grooves.
• It may be difficult to visually check the dislocation of mating marks during and after installation. To make the matching eas-
ier, make a mating mark (A) on the top of sprocket teeth and
its extended line with paint.
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(A) : Dowel pin groove
(B) : Mating mark (2 oblong on rear face)
(C) : Orange link
(D) : Mating mark (2 circles on rear face)
(E) : Mating mark (Oblong on rear face)
(F) : Dowel pin groove
(G) : Mating mark (Circle on rear face)
(H) : Orange link
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(B) : Mating mark (orange link)
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TIMING CHAINEM-187
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4. After confirming the mating marks are aligned, tighten the cam-
shaft sprocket bolts.
• Secure the camshaft using a wrench at the hexagonal portion
to tighten the bolts.
5. Pull the stopper pins out from the secondary timing chain ten- sioners.
6. Install the crankshaft sprocket on the crankshaft. • Make sure the mating marks on the crankshaft sprocket facethe front of the engine.
7. Install the primary timing chain. • Install primary timing chain so the mating mark (punched) (B)
on camshaft sprocket (C) is aligned with the pink link (A) on
the timing chain, while the mating mark (notched) (E) on the
crankshaft sprocket (D) is aligned with the orange one (F) on
the timing chain, as shown.
• When it is difficult to align mating marks of the primary timing chain with each sprocket, gradually turn the camshaft using a
wrench on the hexagonal portion to align it with the mating
marks.
• During alignment, be careful to prevent dislocation of mating
mark alignments of the secondary timing chains.
(G): Water pump
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