Infiniti QX4 (R50). Manual — part 418
SEM426G
7.
After confirming the mating marks are aligned, tighten the cam-
shaft sprocket mounting bolts.
I
Secure the camshaft hexagonal head using a spanner to
tighten mounting bolts.
SEM425G
8.
Pull out the stopper pin from the secondary timing chain ten-
sioner.
SEM919EA
9.
Install internal guide.
10. Install upper tension guide and slack guide.
SEM967F
11. Install timing chain tensioner, then remove the stopper pin.
I
When installing the timing chain tensioner, engine oil
should be applied to the oil hole and tensioner.
GI
MA
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TIMING CHAIN
Installation (Cont’d)
EM-31
SEM435G
12. Install O-rings on rear timing chain case.
13. Apply liquid gasket to front timing chain case.
I
Refer to “POSITION FOR APPLYING LIQUID GASKET”,
EM-21.
I
Before installation, wipe off the protruding sealant.
SEM436G
14. Install rear case pin into dowel pin hole on front timing chain
case.
15. Tighten bolts to the specified torque in order shown in the fig-
ure.
I
Leave the bolts unattended for 30 minutes or more after
tightening.
SEM437G
16. Install CVTC cover.
a.
Install O-rings at front timing chain case.
b.
Install seal ring at CVTC covers.
c.
Apply liquid gasket to CVTC covers.
Use genuine RTV silicone sealant Part No. 999MP-A7007 or
equivalent.
I
Being careful not to move the seal ring from the installation
groove, align the dowel pins on the chain case with the holes
to install the CVTC cover.
SEM438G
I
Tighten in numerical order as shown in the figure.
TIMING CHAIN
Installation (Cont’d)
EM-32
SEM439G
SEM440G
17. Install RH and LH rocker covers.
Rocker cover tightening procedure:
I
Tighten in numerical order as shown in the figure.
a.
Tighten bolts 1 to 10 in that order to 6.9 to 8.8 N·m (0.7 to 0.9
kg-m, 61 to 78 in-lb).
b.
Then tighten bolts 1 to 10 as indicated in figure to 6.9 to 8.8
N·m (0.7 to 0.9 kg-m, 61 to 78 in-lb).
18. Hang engine using the right and left side engine slingers with
a suitable hoist.
19. Set a suitable transmission jack under the suspension mem-
ber.
20. Remove right and left side engine mounting nuts.
21. Remove right and left side suspension member bolts.
22. Install aluminum oil pan. Refer to EM-18, “Installation”.
23. Set ring gear stopper using the mounting bolt hole.
I
Be careful not to damage the signal plate teeth.
SEM417G
24. Install crankshaft pulley to crankshaft.
I
Align pointer with TDC mark on crankshaft pulley.
SEM531G
25. Install crankshaft pulley bolt.
I
Lubricate thread and seat surface of the bolt with new
engine oil.
a.
Tighten to 39 to 49 N·m (4.0 to 5.0 kg-m, 29 to 36 ft-lb).
b.
Put a paint mark on the crankshaft pulley.
SEM963E
c.
Again tighten by turning 60° to 66°, about the angle from one
hexagon bolt head corner to another.
26. Install camshaft position sensor (PHASE), crankshaft position
sensors (REF)/(POS) and CVTC sensors.
27. Reinstall removed parts in the reverse order of removal.
I
When installing fuel tube and intake manifold collectors, refer
to EM-12, “TIGHTENING PROCEDURES”.
I
After starting engine, keep idling for three minutes. Then
rev engine up to 3,000 rpm under no load to purge air from
the high-pressure chamber of the chain tensioners. The
engine may produce a rattling noise. This indicates that
GI
MA
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TIMING CHAIN
Installation (Cont’d)
EM-33
air still remains in the chamber and is not a matter of
concern.
TIMING CHAIN
Installation (Cont’d)
EM-34
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст