Infiniti I30 (A33). Manual - part 479
SEM948E
Replacement
NHEM0015
CAUTION:
When removing the oil pans, oil pump assembly and timing
chain from engine, first remove the camshaft position sensor
(PHASE) and the crankshaft position sensors (REF)/(POS)
from the assembly.
Be careful not to damage sensor edges.
VALVE OIL SEAL
NHEM0015S01
1.
Remove LH ornament cover.
2.
Remove RH and LH ignition coils.
3.
Remove intake manifold collector supports and intake manifold
collector (RH cylinder head only).
4.
Remove RH and LH rocker covers from cylinder head.
5.
Remove camshaft position sensor (PHASE) and crankshaft
position sensors (REF)/(POS).
6.
Remove oil pan. Refer to “Removal”, EM-13.
7.
Remove timing chain. Refer to “Removal, EM-22.
8.
Remove
camshaft
brackets
and
camshaft.
Refer
to
“Disassembly”, EM-39.
9.
Remove valve lifters and shims.
10. Remove valve spring with Tool.
11. Reinstall any parts removed in reverse order of removal.
Before removing valve spring, fix valve as follows.
Method A:
Piston concerned should be set at TDC to prevent valve
from falling.
SEM826E
Method B:
Remove spark plug, then install air hose adapter into
spark plug hole and apply air pressure to hold valves in
place. Apply a pressure of 490 kPa (5 kg/cm
2
, 71 psi).
SEM983D
Method C:
Install spark plug with suitable washer into spark plug
hole from combustion chamber side.
GI
MA
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
OIL SEAL
Replacement
EM-35