Infiniti I35 (A33). Manual — part 488
SEM740G
13. Install internal chain guide.
14. Install slack guide.
SEM741G
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Take care not to overtighten mounting bolts for slack guide. It
is normal for a gap to exist under bolt seats when mounting
bolts are tightened to specified torque.
SEM733G
15. Install chain tensioner for slack guide.
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When installing chain tensioner, push in sleeve and keep it
pressed with stopper pin.
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Remove dirt and foreign materials completely from back and
mounting surfaces of chain tensioner.
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After installing, pull out stopper pin by pressing slack guide.
16. Confirm again that matching marks on sprockets and timing
chain have not slipped.
SEM743G
17. Install front oil seal to front timing chain case. Refer to EM-48,
“FRONT OIL SEAL”.
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TIMING CHAIN
Installation (Cont’d)
EM-43
SEM744GA
18. Apply liquid gasket to water pump cover and chain tensioner
cover. Refer to LC-16, “Installation”.
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Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-53, “RECOMMENDED CHEMICAL PRODUCTS AND
SEALANTS”.
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Before installation, wipe off the protruding sealant.
19. Install water pump cover and chain tensioner cover.
SEM946G
20. Install O-rings on rear timing chain case.
21. Apply liquid gasket to front timing chain case.
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Refer to “POSITION FOR APPLYING LIQUID GASKET”,
EM-31.
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Before installation, wipe off the protruding sealant.
SEM828G
22. Install front timing chain case.
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Align dowel pin on rear timing chain case with hole on front
timing chain case.
23. Tighten bolts to the specified torque in order shown in the fig-
ure.
SEM943G
24. After installing front timing chain case, check surface height
difference between following parts on oil pan mounting sur-
face.
Standard
Front timing chain case to rear timing chain case:
−0.14 to 0.14 mm (−0.0055 to 0.0055 in)
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If not within standard, repeat above installation procedure.
TIMING CHAIN
Installation (Cont’d)
EM-44
PBIC1123E
25. Install LH and RH intake valve timing control covers.
a.
Install new seal ring at intake valve timing control cover with
new engine oil applied on it.
b.
Apply liquid gasket to intake valve timing control covers.
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Use genuine RTV silicone sealant or equivalent. Refer to GI-53.
SEM948G
c.
Install collared O-ring in front timing chain case oil hole (LH
and RH sides).
SEM728G
d.
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 intake valve timing control cover.
e.
Tighten in numerical order as shown in the figure.
SEM748G
SEM749G
26. Install RH and LH rocker covers.
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Check spark plug hole oil seal for cracks and damage on
sealing portion. Replace rocker cover if necessary.
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Apply liquid gasket to RH and LH rocker covers. Refer to
EM-31, “POSITION FOR APPLYING LIQUID GASKET”.
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Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-53, “RECOMMENDED CHEMICAL PRODUCTS AND
SEALANTS”.
Rocker cover tightening procedure:
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Tighten in numerical order as shown in the figure.
a.
Tighten bolts 1 to 10 in that order to 0.96 to 2.96 N·m (0.10 to
0.30 kg-m, 9 to 26 in-lb).
b.
Then tighten bolts 1 to 10 as indicated in figure to 7.33 to 9.33
N·m (0.75 to 0.95 kg-m, 65 to 82 in-lb).
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TIMING CHAIN
Installation (Cont’d)
EM-45
SEM725G
27. Install RH and LH intake valve timing control solenoid valves.
28. Install RH and LH ignition coils.
29. Install intake manifold collector gasket.
30. Install intake manifold upper and lower collectors.
Refer to “TIGHTENING PROCEDURES”, EM-11.
SEM968F
31. Install crankshaft pulley to crankshaft.
a.
Tighten to 39.2 to 49.0 N·m (4.0 to 5.0 kg-m, 29 to 36 ft-lb).
b.
Put a paint mark on the crankshaft pulley.
SEM751G
c.
Again tighten by turning 60° to 66° [Target: 60 degrees (equiva-
lent to one graduation)].
SEM222FF
32. Reinstall removed parts in reverse order of removal.
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Make sure that crankshaft position sensor (POS) and
heated oxygen sensor 1 (bank 2) harness clamp are
installed correctly as shown in figure.
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When installing fuel tube assembly. Refer to EC-56, “Removal
and Installation”.
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Check oil level after refilling engine oil.
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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
air still remains in the chamber and is not a matter of
concern.
TIMING CHAIN
Installation (Cont’d)
EM-46
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