2007 NISSAN 350Z water pump

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
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Revision: 2006 November2007 350Z
Use the Chart Below to Help You Find the Cause of the Symptom.NBS0000C
1. Locate the area where noise occurs.
2. Confirm the type of noise.
3. Specify the operating condition of engine.
4. Check specified noise source.
If necessary, repair or replace these parts.
A: Closely related B: Related C: Sometimes related —: Not relatedLocation
of noiseTy p e o f
noiseOperating condition of engine
Source of
noiseCheck itemRefer-
ence page Before
warm-
upAfter
warm-
upWhen
start-
ingWhen
idlingWhen
racingWhile
driving
Top of
engine
Rocker
cover
Cylinder
headTicking or
clickingCA—AB—Tappet
noiseValve clearanceEM-80
Rattle C A — A B CCamshaft
bearing
noiseCamshaft runout
Camshaft journal oil
clearanceEM-74EM-74
Crank-
shaft pul-
ley
Cylinder
block
(Side of
engine)
Oil panSlap or
knock—A—B B—Piston pin
noisePiston to piston pin oil
clearance
Connecting rod bush-
ing oil clearanceEM-125
EM-127
Slap or
rapA——BBAPiston
slap noisePiston to cylinder bore
clearance
Piston ring side clear-
ance
Piston ring end gap
Connecting rod bend
and torsionEM-129EM-126
EM-126
EM-127
Knock ABCBBBConnect-
ing rod
bearing
noiseConnecting rod bush-
ing oil clearance
Connecting rod bear-
ing oil clearanceEM-127EM-131
Knock A B — A B CMain
bearing
noiseMain bearing oil clear-
ance
Crankshaft runoutEM-132EM-131
Front of
engine
Timin g
chain
caseTapping or
tickingAA—BBBTimin g
chain and
chain ten-
sioner
noiseTiming chain cracks
and wear
Timing chain tensioner
operationEM-60
EM-53
Front of
engineSqueak-
ing or fizz-
ingAB—B—CDrive belts
(Sticking
or slip-
ping)Drive belts deflection
EM-12
CreakingABABABDrive belts
(Slipping)Idler pulley bearing
operation
Squall
CreakAB—BABWater
pump
noiseWater pump operationCO-23,
"WATER
PUMP"

EM-44
FRONT TIMING CHAIN CASE
Revision: 2006 November2007 350Z
FRONT TIMING CHAIN CASEPFP:13599
Removal and InstallationNBS0000Q
NOTE:

This section describes removal/installation procedure of front timing chain case and timing chain related
parts without removing oil pan (upper) on vehicle.

When oil pan (upper) needs to be removed or installed, or when rear timing chain case is removed or
installed, remove oil pans (upper and lower) first. Then remove front timing chain case, timing chain
related parts, and rear timing chain case in this order, and install in the reverse order of removal. Refer to
EM-53, "
TIMING CHAIN" .

Refer to EM-53, "TIMING CHAIN" for component parts location.
REMOVAL
1. Remove engine cover with power tool. Refer to EM-17, "INTAKE MANIFOLD COLLECTOR" .
2. Remove undercover with power tool.
3. Release the fuel pressure. Refer to EC-79, "
FUEL PRESSURE RELEASE" .
4. Disconnect the battery cable from the negative terminal.
5. Drain engine oil. Refer to LU-7, "
Changing Engine Oil" .
CAUTION:

Perform this step when engine is cold.

Do not spill engine oil on drive belts.
6. Drain engine coolant from radiator. Refer to CO-10, "
Changing Engine Coolant" .
CAUTION:

Perform this step when engine is cold.

Do not spill engine coolant on drive belts.
7. Remove radiator cooling fan assembly. Refer to CO-21, "
COOLING FAN" .
8. Separate engine harnesses removing their brackets from front timing chain case.
9. Remove drive belts. Refer to EM-12, "
DRIVE BELTS" .
10. Remove intake manifold collector. Refer to EM-17, "
INTAKE MANIFOLD COLLECTOR" .
11. Remove harness bracket and fuel sub tube mounting bolt on front timing chain case.
12. Remove oil level gauge and guide.
13. Remove power steering oil pump from bracket with piping connected, and temporarily secure it to aside.
Refer to PS-28, "
POWER STEERING OIL PUMP" .
14. Remove power steering oil pump bracket. Refer to PS-28, "
POWER STEERING OIL PUMP" .
15. Remove alternator. Refer to SC-20, "
CHARGING SYSTEM" .
16. Remove water outlet and water piping. Refer to CO-28, "
WATER OUTLET AND WATER PIPING" .
17. Remove left and right valve timing control covers with the following procedure.
a. Disconnect valve timing control harness connector.
b. Loosen mounting bolts in reverse order as shown in the figure.
A : Right bank
B : Left bank
C : Dowel pin hole
PBIC4965E

EM-54
TIMING CHAIN
Revision: 2006 November2007 350Z

Refer to GI-11, "Components" for symbol marks in the figure.
NOTE:

This section describes procedures for removing/installing front timing chain case and timing chain related
parts, and rear timing chain case, when oil pan (upper) needs to be removed/installed for engine overhaul,
etc.

To remove/install front timing chain case, timing chain, and its related parts without removing oil pan
(upper), refer to EM-44, "
FRONT TIMING CHAIN CASE" .
REMOVAL
1. Remove engine assembly from the vehicle, and separate front suspension member and transmission
from engine. Refer to EM-101, "
ENGINE ASSEMBLY" .
2. Lift the engine with hoist and mount it onto widely use engine stand. Refer to EM-108, "
DISASSEMBLY" .
3. Remove intake manifold collector. Refer to EM-17, "
INTAKE MANIFOLD COLLECTOR" .
4. Remove power steering oil pump bracket. Refer to PS-28, "
POWER STEERING OIL PUMP" .
5. Remove alternator. Refer to SC-20, "
CHARGING SYSTEM" .
6. Remove water bypass hose, water hose clamp and idler pulley bracket from front timing chain case.
7. Remove left and right valve timing control covers (including magnet retarder and cover) with the following
procedure.
a. Loosen mounting bolts in reverse order as shown in the figure.
1.Timing chain tensioner (secondary)
(left bank)2. Internal chain guide 3.Timing chain tensioner (secondary)
(right bank)
4. Camshaft sprocket (EXH) 5. Timing chain (secondary) 6. Timing chain (primary)
7. Camshaft sprocket (INT) 8. Slack guide 9. Timing chain tensioner (primary)
10. Crankshaft sprocket 11. Camshaft sprocket (INT) 12. Timing chain (secondary)
13. Camshaft sprocket (EXH) 14. O-ring 15. Rear timing chain case
16. O-ring 17. O-ring 18. O-ring
19. Bracket 20. Bracket 21. Front timing chain case
22.Valve timing control cover gasket
(LH)23. Valve timing control cover (LH) 24. O-ring
25. Crankshaft pulley bolt 26. Crankshaft pulley 27. Front oil seal
28. Idler pulley 29. O-ring 30. Oil level gauge guide
31. Drive belt auto-tensioner 32. Idler pulley 33. Idler pulley bracket
34. Alternator bracket 35. Water outlet (front) 36.Valve timing control cover gasket
(RH)
37. Valve timing control cover (RH) 38. Power steering oil pump bracket
A. Refer to EM-60
A : Right bank
B : Left bank
C : Dowel pin hole
PBIC4965E

TIMING CHAIN
EM-59
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Revision: 2006 November2007 350Z

Do not disassemble. (Do not loosen bolts “A” and “B” as
shown in the figure.)
NOTE:
Camshaft sprocket (INT) is two-for-one structure of primary and
secondary sprockets.
19. Remove water pump. Refer to CO-23, "
WATER PUMP" .
20. Remove rear timing chain case as follows:
a. Loosen and remove mounting bolts in reverse order as shown in
the figure.
b . C u t l i q u i d g a s k e t u s i n g s e a l c u t t e r [ S S T: K V 1 0 1111 0 0 ( J 3 7 2 2 8 ) ]
and remove rear timing chain case.
CAUTION:

Do not remove plate metal cover of oil passage.

After removal, handle rear timing chain case carefully so
it does not tilt, cant, or warp under a load.
21. Remove O-rings from cylinder block.
22. Remove timing chain tensioners (secondary) from cylinder head as follows, if necessary.
a. Remove camshaft brackets (No. 1). Refer to EM-72, "
REMOVAL" .
PBIC3565E
PBIC4976E
KBIA1307E
PBIC0788E

TIMING CHAIN
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Revision: 2006 November2007 350Z

In this figure, the drum of exhaust side camshaft sprocket has been omitted.
1. Install timing chain tensioners (secondary) to cylinder head as follows if removed. Refer to EM-77,
"INSTALLATION" .
a. Install timing chain tensioners (secondary) with stopper pin attached and new O-ring.
b. Install camshaft brackets (No. 1). Refer to EM-77, "
INSTALLATION" .
2. Measure difference in levels between front end faces of cam-
shaft bracket (No.1) and cylinder head.

Measure two positions (Both intake and exhaust side) for a
single bank.

If the measured value is out of the standard, re-install cam-
shaft bracket (No.1).
3. Install rear timing chain case as follows:
1. Internal chain guide 2. Camshaft sprocket (INT) 3. Timing chain (secondary)
4. Camshaft sprocket (EXH) 5. Timing chain tensioner (primary) 6. Slack guide
7. Timing chain (primary) 8. Crankshaft sprocket 9. Water pump
10. Timing chain tensioner (secondary)
A. Mating mark [punched (back side)] B. Mating mark (yellow link) C. Mating mark (punched)
D. Mating mark (orange link) E. Mating mark (notched) F. Crankshaft key
Standard : −0.14 to 0.14 mm (−0.0055 to 0.0055 in)
PBIC5036E
EMQ0044D

EM-62
TIMING CHAIN
Revision: 2006 November2007 350Z
a. Install new O-rings onto cylinder block.
b. Apply liquid gasket with tube presser [SST: WS39930000 ( — )] to rear timing chain case back side as
shown in the figure.
Use Genuine RTV Silicone Sealant or equivalent. Refer to GI-45, "
RECOMMENDED CHEMICAL
PRODUCTS AND SEALANTS" .
CAUTION:

For “A” in the figure, completely wipe out liquid gasket extended on a portion touching at
engine coolant.

Apply liquid gasket on installation position of water pump and cylinder head very completely.

Refer to GI-11, "Components" for symbol marks in the figure.
PBIC0788E
C. Protrusion D. Clearance 1 mm (0.04 in) E. Do not protrude in this area
F. Run along bolt hole inner side G.Protrusions at beginning and end of
gasket
h. 3.9 mm (0.154 in) i 2.7 mm (0.106 in)
PBIC4980E

TIMING CHAIN
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Revision: 2006 November2007 350Z
c. Align rear timing chain case and water pump assembly with dowel pins (right and left) on cylinder block
and install rear timing chain case.

Make sure O-rings stay in place during installation to cylinder block.
d. Tighten mounting bolts in numerical order as shown in the fig-
ure.

There are two types of mounting bolts. Refer to the following
for locating bolts.
e. After all bolts are tightened, retighten them to the specified in
numerical order shown in the figure.

If liquid gasket protrudes, wipe it off immediately.
f. After installing rear timing chain case, check the surface height
difference between following parts on oil pan (upper) mounting
surface.

If not within standard, repeat the installation procedure.
4. Install water pump with new O-rings. Refer to CO-23, "
WATER PUMP" .
5. Make sure that dowel pin (A) and crankshaft key (1) are located
as shown in the figure. (No. 1 cylinder at compression TDC)
NOTE:
Though camshaft does not stop at the position as shown in the
figure, for the placement of cam nose, it is generally accepted
camshaft is placed for the same direction of the figure.
6. Install timing chains (secondary) and camshaft sprockets as follows:
CAUTION:

When replacing camshaft sprocket (EXH), replace valve timing control cover (including magnet
retarder and cover).

Mating marks between timing chain and sprockets slip easily. Confirm all mating mark positions
repeatedly during the installation process.Bolt length: Bolt position
20 mm (0.79 in) : 1, 2, 3, 6, 7, 8, 9, 10
16 mm (0.63 in) : Except the above
: 12.7 N·m (1.3 kg-m, 9 ft-lb)
PBIC4976E
1 : Front timing chain case
2 : Rear timing chain case
3 : Lower cylinder block
Standard
Rear timing chain case to cylinder block:
–0.24 to 0.14 mm (–0.0094 to 0.0055 in)
PBIC4981E
Camshaft dowel pin
: At cylinder head upper face side in each bank.
Crankshaft key
: At cylinder head side of right bank.
PBIC5010E

EM-66
TIMING CHAIN
Revision: 2006 November2007 350Z

Install timing chain (primary) so the mating mark (punched)
(B) on camshaft sprocket (INT) (1) is aligned with the yellow
link (A) on timing chain, while the mating mark (notched) (C)
on crankshaft sprocket (2) is aligned with the orange link (D)
on timing chain, as shown in the figure.

When it is difficult to align mating marks of timing chain (pri-
mary) with each sprocket, gradually turn camshaft using
wrench on the hexagonal portion to align it with the mating
marks.

During alignment, be careful to prevent dislocation of mating
mark alignments of timing chains (secondary).
8. Install internal chain guide (1), slack guide (2) and timing chain
tensioner (primary).
3 : Water pump
PBIC5037E
PBIC4977E