Infiniti G35 (V35). Manual — part 473
FRONT TIMING CHAIN CASE
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FRONT TIMING CHAIN CASE
PFP:13599
Removal and Installation
NBS002UM
NOTE:
●
This section describes removal/installation procedure of front timing chain case and timing chain (primary)
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 (pri-
mary) related parts, and rear timing chain case in this order, and install in the reverse order of removal.
Refer to
●
Refer to
REMOVAL
1.
Remove engine cover with power tool. Refer to
EM-18, "INTAKE MANIFOLD COLLECTOR"
.
2.
Remove undercover with power tool.
3.
Release the fuel pressure. Refer to
EC-81, "FUEL PRESSURE RELEASE"
.
4.
Disconnect the battery cable from the negative terminal.
5.
.
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.
Separate engine harnesses removing their brackets from front timing chain case.
8.
Remove radiator cooling fan assembly. Refer to
9.
10. Remove power steering oil pump from bracket with piping connected, and temporarily secure it aside.
Refer to
PS-31, "POWER STEERING OIL PUMP"
.
11. Remove power steering oil pump bracket. Refer to
PS-31, "POWER STEERING OIL PUMP"
.
12. Remove alternator. Refer to
13. Remove water bypass hose, water hose clamp and idler pulley bracket from front timing chain case.
14. Remove right and left intake valve timing control covers. (A/T models)
●
Loosen bolts in reverse order as shown in the figure.
●
Use seal cutter [SST: KV10111100 (J37228)] or an equivalent
tool to cut liquid gasket for removal.
CAUTION:
Shaft is internally jointed with intake camshaft sprocket
center hole. When removing, keep it horizontal until it is
completely disconnected.
15. Remove left and right valve timing control covers (including magnet retarder and cover) with the following
procedure. (M/T models)
SEM728G
EM-48
FRONT TIMING CHAIN CASE
a.
Loosen mounting bolts in reverse order as shown in the figure.
b.
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)
16. Remove collared O-ring from front timing chain case (left and
right side).
17. Remove rocker covers (right and left banks) with power tool. Refer to
.
NOTE:
When only timing chain (primary) is removed, rocker cover does not need to be removed.
18. 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.
PBIC3560E
PBIC3561E
PBIC2045E
KBIA1717J
FRONT TIMING CHAIN CASE
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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
(M/T models) or
(A/
T models).
19. Remove crankshaft pulley as follows:
a.
Remove starter motor and set ring gear stopper (SST) as shown
in the figure. Refer to
.
b.
Loosen crankshaft pulley bolt and locate bolt seating surface as
10 mm (0.39 in) from its original position.
CAUTION:
Do not remove crankshaft pulley bolt as it will be used as a
supporting point for suitable puller.
c.
Place suitable puller tab on holes of crankshaft pulley, and pull
crankshaft pulley through.
CAUTION:
Do not put suitable puller tab on crankshaft pulley periph-
ery, as this will damage internal damper.
20. Remove oil pan (lower). Refer to
EM-29, "OIL PAN AND OIL STRAINER"
.
SEM418G
PBIC1098E
PBIC1103E
EMQ0477D
EM-50
FRONT TIMING CHAIN CASE
21. Loosen two mounting bolts in front of oil pan (upper) in reverse
order as shown in the figure.
22. Remove front timing chain case as follows:
a.
Loosen mounting bolts in reverse order as shown in the figure.
NOTE:
Figure shows A/T models.
b.
Insert suitable tool into the notch at the top of the front timing
chain case as shown (1).
c.
Pry off case by moving tool as shown (2).
●
Use seal cutter [SST: KV10111100 (J37228)] or equivalent
tool to cut liquid gasket for removal.
CAUTION:
●
Do not use screwdriver or something similar.
●
After removal, handle front timing chain case carefully so
it does not tilt, cant, or warp under a load.
23. Remove O-rings from rear timing chain case.
NOTE:
Figure shows A/T models.
24. Remove oil pan gasket. Refer to
EM-29, "OIL PAN AND OIL STRAINER"
25. Remove water pump cover and chain tensioner cover from front timing chain case.
●
Use seal cutter [SST: KV10111100 (J37228)] or equivalent tool to cut liquid gasket for removal.
PBIC1116E
KBIA1303E
SEM156F
PBIC2548E
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