check engine NISSAN 350Z 2007 Z33 Engine Mechanical User Guide

EM-30
OIL PAN AND OIL STRAINER
Revision: 2006 November2007 350Z
5. Install in the reverse order of removal after this step.
NOTE:
At least 30 minutes after oil pan is installed, pour engine oil.
INSPECTION AFTER INSTALLATION
1. Check engine oil level and adjust engine oil. Refer to LU-6, "ENGINE OIL" .
2. Start engine, and check there is no leak of engine oil.
3. Stop engine and wait for 10 minutes.
4. Check engine oil level again. Refer to LU-6, "
ENGINE OIL" .

EM-38
FUEL INJECTOR AND FUEL TUBE
Revision: 2006 November2007 350Z

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 stretched while it was being attached, do not insert it
quickly into fuel tube.

Insert O-ring straight into fuel injector. Do not decenter or twist it.
4. Install fuel injector to fuel tube as follows:
a. Insert clip (3) into clip mounting groove (D) on fuel injector (5).
CAUTION:

Do not reuse clip. Replace it with a new one.

Be careful to keep clip from interfering with O-ring. If
interference occurs, replace O-ring.
b. Insert fuel injector (5) into fuel tube (1) with clip attached.

Insert it while matching it to the axial center.

Insert fuel injector (5) so that protrusion (A) of fuel tube
matches cutout (B) of clip (3).

Make sure that fuel tube flange (E) is securely fixed in flange
fixing groove (C) on clip (3).
c. Make sure that installation is complete by checking that fuel
injector does not rotate or come off.

Make sure that protrusions of fuel injectors are aligned with
cutouts of clips after installation.
5. 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 mounting bolts in two steps in numerical order as
shown in the figure.
6. Connect fuel injector harness connector.
7. Connect fuel feed hose (with damper).

Handling procedure of O-ring is the same as that of fuel damper and fuel sub-tube.

Insert fuel damper straight into fuel sub-tube.

Tighten mounting bolts evenly in turn.

After tightening mounting bolts, make sure that there is no gap between flange and fuel sub-tube.
8. Connect quick connector between fuel feed hose (with damper) and centralized under-floor piping con-
nection as follows:
a. Make sure no foreign substances are deposited in and around centralized under-floor piping and quick
connector, and no damage on them.
b. Thinly apply new engine oil around centralized under-floor piping from tip end to spool end.
c. Align center to insert quick connector straightly into centralized under-floor piping.
2 : O-ring (Black)
4 : O-ring (Green)
PBIC5042E
: Engine front
1st step
: 10.1 N·m (1.0 kg-m, 7 ft-lb)
2nd step
: 23.6 N·m (2.4 kg-m, 17 ft-lb)
PBIC4963E

FUEL INJECTOR AND FUEL TUBE
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Revision: 2006 November2007 350Z

Insert quick connector to centralized under-floor piping until
top spool is completely inside quick connector, and 2nd level
spool exposes right below quick connector.
CAUTION:

Hold “A” position as shown in the figure when inserting
centralized under-floor piping 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 engagement with a similar
sound, be sure to perform the next step.
d. Pull quick connector by hand holding “A” position. Make sure it is completely engaged (connected) so that
it does not come out from centralized under-floor piping.
e. Install quick connector cap to quick connector connection.

Install quick connector cap with arrow on surface facing in
direction of quick connector (fuel feed hose side).
CAUTION:
If cap cannot be installed smoothly, quick connector may
have not been installed correctly. Check connection
again.
9. Install in the reverse order of removal after this step.
INSPECTION AFTER INSTALLATION
Check on Fuel Leakage
1. Turn ignition switch “ON” (with engine stopped). With fuel pressure applied to fuel piping, check for fuel
leakage at connection points.
NOTE:
Use mirrors for checking at points out of clear sight.
2. Start engine. With engine speed increased, check again for fuel leakage at connection points.
CAUTION:
Do not touch engine immediately after stopped, as engine becomes extremely hot.
PBIC2471E
KBIA1298E

EM-42
ROCKER COVER
Revision: 2006 November2007 350Z
INSTALLATION
1. Apply liquid gasket with tube presser [SST: WS39930000 ( —
)] to joint part among rocker cover, cylinder head and cam-
shaft bracket (No. 1) as follows:
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-45, "
RECOMMENDED CHEMICAL PRODUCTS AND
SEALANTS" .
NOTE:
The figure shows an example of left bank side [zoomed in
shows camshaft bracket (No. 1)].
a. Refer to the figure “a” to apply liquid gasket to joint part of cam-
shaft bracket (No. 1) and cylinder head.
b. Refer to the figure “b” to apply liquid gasket to the figure “a”
squarely.
2. Install new rocker cover gasket to rocker cover.
3. Install rocker cover.

Check if rocker cover gasket is not dropped from installation groove of rocker cover.
4. Tighten bolts in two steps separately in numerical order as
shown in the figure.
5. Install oil filler cap to rocker cover (left bank), if removed.
6. Install new O-ring and PCV valve to rocker cover (right bank), if removed.
7. Install PCV hose.

Insert PCV hose by 25 to 30 mm (0.98 to 1.18 in) from connector end.

When installing, be careful not to twist or come in contact with other parts.
PBIC2474E
: Engine front
1st step
: 2.0 N·m (0.2 kg-m, 18 in-lb)
2nd step
: 8.3 N·m (0.85 kg-m, 73 in-lb)
PBIC4990E

FRONT TIMING CHAIN CASE
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Revision: 2006 November2007 350Z
c. Shaft is engaged with intake side camshaft sprocket center hole
on inside. Pull straight out so as not to tilt until the joint is disen-
gaged.

The mating surface of magnet retarder may be fitted with the
exhaust side camshaft sprocket via the engine oil. Open valve
timing control cover carefully.

If the mating surface of magnet retarder is fitted with the cam-
shaft sprocket, open the cover within the range that the load is
not applied to the harness. And then, remove it so as to pre-
vent magnet retarder from dropping.
CAUTION:

Be careful not to damage magnet retarder.

When carrying valve timing control cover, face the magnet retarder side up to prevent the cover
from falling from magnet retarder.

Do not remove magnet retarder from valve timing control cover. (Disassembly prohibited parts)
18. Remove rocker covers (right and left banks). Refer to EM-40, "
ROCKER COVER" .
NOTE:
When only timing chain (primary) is removed, rocker cover does not need to be removed.
19. Obtain No. 1 cylinder at TDC of its compression stroke as follows:
NOTE:
When timing chain is not removed/installed, this step is not required.
a. Rotate crankshaft pulley clockwise to align timing mark (grooved
line without color) with timing indicator.
b. Make sure that intake and exhaust cam noses on No. 1 cylinder
(engine front side of right bank) are located as shown in the fig-
ure.

If not, turn crankshaft one revolution (360 degrees) and align
as shown in the figure.
NOTE:
When only timing chain (primary) is removed, rocker cover does
not need to be removed. To make sure that No. 1 cylinder is at
its compression TDC, remove front timing chain case first. Then
check mating marks on camshaft sprockets. Refer to EM-60,
"INSTALLATION" .
20. Remove crankshaft pulley as follows:
a. Remove rear cover plate and set ring gear stopper [SST:
KV10118600 (J-48641)] (A) as shown in the figure.
: Timing mark (grooved without color)
PBIC3561E
PBIC4966E
SEM418G
1 : Oil pan
2 : Fly wheel (M/T models) or drive plate (A/T models)
: Vehicle front
PBIC5051E

EM-50
FRONT TIMING CHAIN CASE
Revision: 2006 November2007 350Z
d. Tighten mounting bolts to the specified torque in numerical order
as shown in the figure.

There are two types of mounting bolts. Refer to the following
for locating bolts.
e. After all bolts tightened, retighten them to the specified torque in numerical order as shown in the figure.
5. Install two mounting bolts in front of oil pan (upper) in numerical
order as shown in the figure.
6. Install oil pan (lower). Refer to EM-26, "
OIL PAN AND OIL STRAINER" .
7. Install right and left valve timing control covers as follows.
a. Install new seal rings (1) in shaft grooves.
CAUTION:
When replacing seal ring, replace all rings with new one.
b. To check the joint between dowel pins and dowel pin holes,
check the looseness in the axle direction by pushing the mating
surface of magnet retarder (A) at several places and the circum-
ferential looseness (between dowel pins and dowel pin holes) by
twisting in the circumferential direction.
CAUTION:
Always perform this procedure when removing because the
gap between dowel pins and dowel pin holes may not be
caused on purpose.M10 bolts : 1, 2, 3, 4, 5, 6, 7
: 55.0 N·m (5.6 kg-m, 41 ft-lb)
M6 bolts : Except the above
: 12.7 N·m (1.3 kg-m, 9 ft-lb)
PBIC4968E
: 17.2 N·m (1.8 kg-m, 13 ft-lb)
: Engine front
PBIC4967E
A : Left bank
PBIC4973E
B : Moves slightly
C : Not shaken
PBIC4974E

FRONT TIMING CHAIN CASE
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Revision: 2006 November2007 350Z
c. Install valve timing control cover with new gasket to front timing
chain case.
CAUTION:

Do not face the magnet retarder side down to prevent
magnet retarder from dropping.

Check the mating surface of magnet retarder and the
drum of exhaust side camshaft sprocket for foreign mate-
rials.

Align the center of both shaft holes of the shaft and the
intake side camshaft sprocket, and then insert them.

Be careful not to drop the seal ring from the shaft groove.

When setting the valve timing control cover in position by hand, if valve timing control cover is
not contacting with the front timing chain case, the dowel pin of magnet retarder may not be
aligned with the dowel pin holes of cover. In this case, return to step “b”.
d. Tighten mounting bolts in numerical order as shown in the fig-
ure.
CAUTION:
Completely tighten the mounting bolts with the seat surface
of valve timing control cover contacting with front timing
chain case.

After all bolt are tightened, tighten No.1 bolt to the specified torque again.
8. Install crankshaft pulley as follows:
a. Fix crankshaft using ring gear stopper [SST: KV10118600 (J-48641)].
b. Install crankshaft pulley, taking care not to damage front oil seal.

When press-fitting crankshaft pulley with plastic hammer, tap on its center portion (not circumference).
c. Tighten crankshaft pulley bolt.
d. Place a paint mark (A) on crankshaft pulley (2) aligning with the
angle mark (C) on crankshaft pulley bolt (1). Tighten the bolt 90
degrees (one marks) (b).
9. Rotate crankshaft pulley in normal direction (clockwise when viewed from front) to confirm it turns
smoothly.
10. Install in the reverse order of removal after this step.
INSPECTION AFTER INSTALLATION
Inspection for Leaks
The following are procedures for checking fluid leak, lubricates leak and exhaust gases leak.

Before starting engine, check oil/fluid levels including engine coolant and engine oil. If less than required
quantity, fill to the specified level. Refer to MA-11, "
RECOMMENDED FLUIDS AND LUBRICANTS" . : 11.3 N·m (1.2 kg-m, 8 ft-lb)
A : Right bank
B : Left bank
C : Dowel pin hole
PBIC3561E
PBIC4965E
: 44.1 N·m (4.5 kg-m, 33 ft-lb)
PBIC4975E

EM-52
FRONT TIMING CHAIN CASE
Revision: 2006 November2007 350Z

Run engine to check for unusual noise and vibration.
NOTE:
If hydraulic pressure inside timing chain tensioner drops after removal/installation, slack in the guide may
generate a pounding noise during and just after engine start. However, this is normal. Noise will stop after
hydraulic pressure rises.

Warm up engine thoroughly to make sure there is no leakage of exhaust gases, or any oil/fluids including
engine oil and engine coolant.

Bleed air from lines and hoses of applicable lines, such as in cooling system.

After cooling down engine, again check oil/fluid levels including engine oil and engine coolant. Refill to the
specified level, if necessary.
Summary of the inspection items:
* Transmission/transaxle/CVT fluid, power steering fluid, brake fluid, etc.Items Before starting engine Engine running After engine stopped
Engine coolant Level Leakage Level
Engine oil Level Leakage Level
Other oils and fluid* Level Leakage Level

EM-70
TIMING CHAIN
Revision: 2006 November2007 350Z
c. Install valve timing control cover to front timing chain case.
CAUTION:

Do not face the magnet retarder side down to prevent
magnet retarder from dropping.

Check the mating surface of magnet retarder and the
drum of exhaust side camshaft sprocket for foreign mate-
rials.

Align the center of both shaft holes of the shaft and the
intake side camshaft sprocket, and then insert them.

Be careful not to drop the seal ring from the shaft groove.

When setting the valve timing control cover in position
by hand, if valve timing control cover is not contacting with the front timing chain case, the
dowel pin of magnet retarder may not be aligned with the dowel pin holes of cover. In this case,
return to step “b”.
d. Tighten mounting bolts in numerical order as shown in the fig-
ure.
CAUTION:
Completely tighten the mounting bolts with the seat surface
of valve timing control cover contacting with front timing
chain case.

After all bolts are tightened, tighten No.1 bolt to the specified torque again.
15. Install oil pans (upper and lower). Refer to EM-26, "
OIL PAN AND OIL STRAINER" .
16. Install rocker covers (right and left banks). Refer to EM-40, "
ROCKER COVER" .
17. Install crankshaft pulley as follows:
a. Fix crankshaft using ring gear stopper [SST: KV10118600 (J-48641)].
b. Install crankshaft pulley, taking care not to damage front oil seal.

When press-fitting crankshaft pulley with plastic hammer, tap on its center portion (not circumference).
c. Tighten crankshaft pulley bolt.
d. Place a paint mark (A) on crankshaft pulley (2) aligning with the
angle mark (C) on crankshaft pulley bolt (1). Tighten the bolt 90
degrees (one marks) (b).
18. Rotate crankshaft pulley in normal direction (clockwise when viewed from engine front) to confirm it turns
smoothly.
19. Install in the reverse order of removal after this step.: 11.3 N·m (1.2 kg-m, 8 ft-lb)
A : Right bank
B : Left bank
C : Dowel pin hole
: 44.1 N·m (4.5 kg-m, 33 ft-lb)
PBIC3561E
PBIC4965E
PBIC4975E

TIMING CHAIN
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INSPECTION AFTER INSTALLATION
Inspection for Leaks
The following are procedures for checking fluids leak, lubricates leak and exhaust gases leak.

Before starting engine, check oil/fluid levels including engine coolant and engine oil. If less than required
quantity, fill to the specified level. Refer to MA-11, "
RECOMMENDED FLUIDS AND LUBRICANTS" .

Use procedure below to check for fuel leakage.
–Turn ignition switch “ON” (with engine stopped). With fuel pressure applied to fuel piping, check for fuel
leakage at connection points.
–Start engine. With engine speed increased, check again for fuel leakage at connection points.

Run engine to check for unusual noise and vibration.
NOTE:
If hydraulic pressure inside timing chain tensioner drops after removal/installation, slack in the guide may
generate a pounding noise during and just after engine start. However, this is normal. Noise will stop after
hydraulic pressure rises.

Warm up engine thoroughly to make sure there is no leakage of fuel, exhaust gases, or any oil/fluids
including engine oil and engine coolant.

Bleed air from lines and hoses of applicable lines, such as in cooling system.

After cooling down engine, again check oil/fluid levels including engine oil and engine coolant. Refill to the
specified level, if necessary.
Summary of the inspection items:
* Transmission/transaxle/CVT fluid, power steering fluid, brake fluid, etc.Items Before starting engine Engine running After engine stopped
Engine coolant Level Leakage Level
Engine oil Level Leakage Level
Other oils and fluid* Level Leakage Level
Fuel Leakage Leakage Leakage
Exhaust gases — Leakage —