2006 INFINITI M35 lock

FRONT TIMING CHAIN CASE
EM-55
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
MA
EM
Revision: 2006 January2006 M35/M45
18. Remove collared O-ring from front timing chain case (left and
right side).
19. Remove rocker covers (right and left banks). Refer toEM-51, "
ROCKER COVER" .
NOTE:
When only timing chain (primary) is removed, rocker cover does not need to be removed.
20. 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-72,
"INSTALLATION" .
21. Remove crankshaft pulley as follows:
a. Remove rear cover plate (2WD models) or starter motor (AWD
models) and set ring gear stopper (SST) as shown in the figure.
Refer to SC-10, "
STARTING SYSTEM" .
PBIC2631E
KBIA1717J
SEM418G
PBIC1098E

FRONT TIMING CHAIN CASE
EM-63
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
MA
EM
Revision: 2006 January2006 M35/M45
10. Rotate crankshaft pulley in normal direction (clockwise when viewed from front) to confirm it turns
smoothly.
11. For the following operations, perform steps in the reverse order of removal.
INSPECTION AFTER INSTALLATION
Inspection for Leaks
The following are procedures for checking fluids leak, lubricates 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-12, "
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 chain tensioner drops after removal/installation, slack in guide may generate a
pounding noise during and just after the engine start. However, this does not indicate an unusualness.
Noise will stop after hydraulic pressure rises.
Warm up engine thoroughly to make sure there is no leakage of fuel, 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. Item 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

EM-66
[VQ35DE]
TIMING CHAIN
Revision: 2006 January2006 M35/M45
Loosen mounting bolts in reverse order as shown in the fig-
ure.
U s e t h e 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 ) ] t o c u t l i q u i d
gasket for removal.
CAUTION:
Shaft is internally jointed with camshaft sprocket (INT) cen-
ter hole. When removing, keep it horizontal until it is com-
pletely disconnected.
21. Remove collared O-ring from front timing chain case (left and
right side).
22. Remove rocker covers (right and left bank). Refer to EM-51, "
ROCKER COVER" .
23. Remove oil pans (lower and upper). Refer to EM-29, "
OIL PAN AND OIL STRAINER" .
24. Obtain No. 1 cylinder at TDC of its compression stroke as follows:
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.
25. Remove crankshaft pulley as follows:
SEM728G
PBIC2631E
KBIA1717J
SEM418G

TIMING CHAIN
EM-71
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
MA
EM
Revision: 2006 January2006 M35/M45
35. Remove O-rings from cylinder head.
36. Remove O-rings from cylinder block.
37. Remove timing chain tensioners (secondary) from cylinder head as follows, if necessary.
a. Remove camshaft brackets (No. 1). Refer to EM-85, "
REMOVAL" .
b. Remove timing chain tensioners (secondary) with a stopper pin attached.
38. Use a scraper to remove all traces of liquid gasket from front
and rear timing chain cases, and opposite mating surfaces.
Remove old liquid gasket from the bolt hole and thread.
SBIA0496E
PBIC0788E
SEM737G
PBIC2084E

TIMING CHAIN
EM-73
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
MA
EM
Revision: 2006 January2006 M35/M45
1. Install timing chain tensioners (secondary) to cylinder head as follows if removed. Refer to EM-89,
"INSTALLATION" .
a. Install timing chain tensioners (secondary) with a stopper pin attached and new O-rings.
b. Install camshaft brackets (No. 1). Refer to EM-89, "
INSTALLATION" .
2. Install rear timing chain case as follows:
a. Install new O-rings onto cylinder block.
b. Install new O-rings to cylinder head.
c. Apply liquid gasket with the 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-48, "
RECOMMENDED CHEMICAL
PRODUCTS AND SEALANTS" .
CAUTION:
For “A” in the figure, completely wipe out liquid gasket extended on a portion touching at
engine coolant.
PBIC0788E
SBIA0496E

EM-74
[VQ35DE]
TIMING CHAIN
Revision: 2006 January2006 M35/M45
Apply liquid gasket on installation position of water pump and cylinder head very completely.
d. Align rear timing chain case and water pump assembly with dowel pins (right and left bank) on cylinder
block and install rear timing chain case.
Make sure O-rings stay in place during installation to cylinder block and cylinder head.
e. Tighten mounting bolts in numerical order as shown in the fig-
ure.
There are two type mounting bolts. Refer to the following for
locating bolts.
f. After all bolts are tightened, retighten them to the specified
torque in numerical order shown in the figure.
If liquid gasket protrudes, wipe it off immediately.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 Nꞏm (1.3 kg-m, 9 ft-lb)
PBIC2680E
SEM735G

TIMING CHAIN
EM-75
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
MA
EM
Revision: 2006 January2006 M35/M45
g. After installing rear timing chain case, check the surface height
difference between the following parts on the oil pan (upper)
mounting surface.
If not within the standard, repeat the installation procedure.
3. Install water pump with new O-rings. Refer to CO-24, "
WATER PUMP" .
4. Make sure that dowel pin hole, dowel pin and crankshaft key 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.
CAUTION:
Hole on small dia. side must be used for intake side dowel pin hole. Do not misidentify (ignore big
dia. side).
5. Install timing chains (secondary) and camshaft sprockets as follows:
CAUTION:
Mating marks between timing chain and sprockets slip easily. Confirm all mating mark positions
repeatedly during the installation process.
a. Push plunger of timing chain tensioner (secondary) and keep it
pressed in with a stopper pin.Standard
Rear timing chain case to cylinder block:
–0.24 to 0.14 mm (–0.0094 to 0.0055 in)
SEM943G
Camshaft dowel pin hole (intake side)
: At cylinder head upper face side in each bank.
Camshaft dowel pin (exhaust side)
: At cylinder head upper face side in each bank.
Crankshaft key
: At cylinder head side of right bank.
KBIA1073E
SEM430G

EM-82
[VQ35DE]
TIMING CHAIN
Revision: 2006 January2006 M35/M45
c. Tighten crankshaft pulley bolt.
d. Place a matching mark (A) on crank pulley (1) aligning with the
matching (B) of crank pulley mounting bolt (2). Tighten the bolts
90 degrees (one marks).
NOTE:
The figure shows crankshaft pulley bolt with four marks.
Use an angle wrench (SST) for a crankshaft pulley bolt with
six–marks.
e. Rotate crankshaft pulley in normal direction (clockwise when viewed from front) to confirm it turns
smoothly.
19. For the following operations, perform steps in the reverse order of removal.
INSPECTION AFTER INSTALLATION
Inspection for Leaks
The following are procedures for checking fluids leak, lubricates 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-12, "
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 chain tensioner drops after removal/installation, slack in guide may generate a
pounding noise during and just after the engine start. However, this does not indicate an unusualness.
Noise will stop after hydraulic pressure rises.
Warm up engine thoroughly to make sure there is no leakage of fuel, 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.: 44.1 Nꞏm (4.5 kg-m, 33 ft-lb)
PBIC4627J
PBIC3821E