Nissan Qashqai J11. Manual — part 61
TIMING CHAIN
EM-183
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[MR20DD]
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TIMING CHAIN
Exploded View
INFOID:0000000010715499
Slack guide
Timing chain tensioner
Timing chain
Balancer unit timing chain
Crankshaft sprocket
Crankshaft key
Balancer unit sprocket
Balancer unit timing chain tensioner
O-ring
Timing chain tension guide
Camshaft sprocket (INT)
Camshaft sprocket (EXH)
O-ring
Front cover
Front oil seal
Crankshaft pulley
Crankshaft pulley bolt
O-ring
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EM-184
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[MR20DD]
TIMING CHAIN
Removal and Installation
INFOID:0000000010715500
REMOVAL
CAUTION:
The rotating direction in the text indicates all directions seen from the engine front.
1.
Drain engine oil. Refer to
.
CAUTION:
Perform this step when engine is cold.
2.
Remove rocker cover. Refer to
3.
Remove drive belts. Refer to
EM-139, "Removal and Installation"
4.
Set No. 1 cylinder at TDC on its compression stroke with the following procedure:
a.
Rotate crankshaft pulley
clockwise and align TDC mark (no
paint)
to timing indicator
on front cover.
b.
At the same time, check that the cam noses of the No. 1 cylinder
are located (
) as shown in the figure.
• If not, rotate crankshaft pulley one revolution (360 degrees)
and align as shown in the figure.
5.
Remove crankshaft pulley with the following procedure:
O-ring
VTC cover
O-ring
Exhaust valve timing control solenoid
valve
Intake valve timing control solenoid valve
Comply with the installation procedure
when tightening. Refer to
Comply with the installation procedure
when tightening. Refer to
: Always replace after every disassembly.
: N·m (kg-m, ft-lb)
: N·m (kg-m, in-lb)
: Should be lubricated with oil.
: Sealing point
,
,
: Indicates that the part is connected at points with same symbol in actual vehicle.
: White paint mark (Not use for service)
PBIC3960E
: Camshaft (INT)
: Camshaft (EXH)
: Engine front
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TIMING CHAIN
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a.
Fix crankshaft pulley
with a pulley holder
(commercial ser-
vice tool), loosen crankshaft pulley bolt, and locate bolt seating
surface at 10 mm (0.39 in) from its original position.
CAUTION:
Never remove the crankshaft pulley bolt as they will be
used as a supporting point for the pulley puller [SST:
KV11103000].
b.
Attach a pulley puller [SST: KV11103000]
in the M6 thread
hole on crankshaft pulley
, and remove crankshaft pulley.
6.
Remove oil pan (lower). Refer to
.
NOTE:
If crankshaft sprocket and balancer unit component are not removed, this step is unnecessary.
7.
Remove intake valve timing control solenoid valve and exhaust valve timing control solenoid valve.
8.
Remove idler pulley assembly. Refer to
9.
Remove VTC cover.
• Loosen mounting bolts in the order from 8 to 1 as shown in the
figure.
NOTE:
Disregard No. 6 when loosening.
10. Remove front cover with the following procedure:
PBIC3961E
PBIC3962E
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EM-186
< UNIT DISASSEMBLY AND ASSEMBLY >
[MR20DD]
TIMING CHAIN
a.
Loosen mounting bolts in the order from 21 to 1 as shown in the
figure.
b.
Cut liquid gasket by prying the position (
) shown in the figure,
and then remove the front cover.
CAUTION:
• Be careful not to damage the mating surface.
• A more adhesive liquid gasket is applied compared to pre-
vious types when shipped, so it should not be forced off
the position not specified.
11. Remove front oil seal from front cover.
CAUTION:
Be careful not to damage front cover.
• Lift up front oil seal using a screwdriver.
12. Remove timing chain tensioner with the following procedure:
a.
Push in timing chain tensioner plunger.
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