Nissan Teana J32. Instruction — part 482
EM-52
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TIMING CHAIN
TIMING CHAIN
Exploded View
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1.
Timing chain tensioner (secondary)
(bank 2)
2.
Internal chain guide
3.
Timing chain tensioner (secondary)
(bank 1)
4.
Camshaft sprocket (EXH)
5.
O-ring
6.
Timing chain (secondary)
7.
Timing chain (primary)
8.
Camshaft sprocket (INT)
9.
Slack guide
10. Timing chain tensioner (primary)
11. Crankshaft sprocket
12.
Rear timing chain case
13. Tension guide
14. O-ring
15.
O-ring
16. O-ring
17. Front timing chain case
18.
Valve timing control cover gasket (bank 1)
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TIMING CHAIN
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Removal and Installation
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REMOVAL
1.
Drain engine oil. Refer to
.
2.
Drain engine coolant from inside engine. Refer to
3.
Remove intake manifold collector. Refer to
4.
Remove rocker covers (bank 1 and bank 2). Refer to
5.
Remove oil pans (lower and upper) and oil strainer. Refer to
.
6.
Remove drive belt, idler pulleys and bracket. Refer to
EM-12, "Removal and Installation"
7.
Separate engine harness removing their brackets from front timing chain case.
8.
Remove valve timing control covers.
• Loosen mounting bolts in reverse order as shown in the figure.
CAUTION:
Shaft is internally jointed with camshaft sprocket (INT) cen-
ter hole. When removing, keep it horizontal until it is com-
pletely disconnected.
9.
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.
19. Valve timing control cover (bank 1)
20.
Intake valve timing control sole-
noid valve (bank 1)
21.
Seal ring
22. Water pump cover
23. Front oil seal
24.
Crankshaft pulley
25. Crankshaft pulley bolt
26.
Intake valve timing control sole-
noid valve (bank 2)
27.
Valve timing control cover (bank 2)
28.
Valve timing control cover gasket
(bank 2)
A.
Refer to
for symbols in the figure.
A
: Bank 1
B
: Bank 2
C
: Dowel pin hole
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SEM727G
EM-54
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TIMING CHAIN
b.
Check that intake and exhaust cam noses on No. 1 cylinder
(engine front side of bank 1) are located as shown in the figure.
• If not, turn crankshaft one revolution (360 degrees) and align
as shown in the figure.
10. Remove crankshaft pulley as follows:
a.
Fix crankshaft with the pulley holder (commercial service tool)
(A).
b.
Loosen crankshaft pulley bolt and locate bolt seating surface at
10 mm (0.39 in) from its original position.
CAUTION:
Never 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:
Never put suitable puller tab on crankshaft pulley periphery,
as this will damage internal damper.
11. Remove front timing chain case as follows:
a.
Loosen mounting bolts in reverse order as shown in the figure.
: Engine front
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: Crankshaft pulley
PBIC3961E
SEM915E
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TIMING CHAIN
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b.
Insert a suitable tool (A) into the notch at the top of front timing
chain case as shown in the figure.
c.
Pry off case by moving the tool as shown in the figure.
• Use the seal cutter [SST: KV10111100 (J37228)] to cut liquid
gasket for removal.
CAUTION:
• Never use screwdrivers or something similar.
• After removal, handle front timing chain case carefully so
it does not tilt, cant, or warp under a load.
12. Remove water pump cover from front timing chain case.
• Use the seal cutter [SST: KV10111100 (J37228)] to cut liquid gasket for removal.
13. Remove front oil seal from front timing chain case using a suit-
able tool.
• Use a screwdriver for removal.
CAUTION:
Be careful not to damage front timing chain case.
14. Remove O-ring (1) from rear timing chain case.
15. Remove timing chain tensioner (primary) as follows:
a.
Remove lower mounting bolt (1).
b.
Loosen upper mounting bolt (2) slowly, and then turn timing
chain tensioner (primary) (3) on the mounting bolt so that
plunger (4) is fully expanded.
NOTE:
Even if plunger is fully expanded, it is not dropped from the body
of timing chain tensioner (primary).
c.
Remove upper mounting bolt, and then remove timing chain ten-
sioner (primary).
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A
: Bank 1
B
: Bank 2
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