Nissan X-Trail 32. Manual - part 1043

TIMING CHAIN

EM-69

< UNIT DISASSEMBLY AND ASSEMBLY >

[MR20DD]

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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 

EM-40, "Exploded View"

.

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 

EM-29, "Exploded View"

.

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

JPBIA6820ZZ

EM-70

< 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. 

JPBIA6821ZZ

JPBIA4394ZZ

TIMING CHAIN

EM-71

< UNIT DISASSEMBLY AND ASSEMBLY >

[MR20DD]

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b.

Insert a stopper pin (A) into the body hole, and then fix it with the
plunger pushed in.

NOTE:
Use approximately 1.5 mm (0.059 in) diameter. hard metal pin
as a stopper pin.

c.

Remove timing chain tensioner.

13. Remove slack guide 

, tension guide 

 and timing chain 

.

CAUTION:

Never rotate each crankshaft and camshaft individually
while timing chain is removed. It causes interference
between valve and piston.

14. Remove crankshaft sprocket and balancer unit drive component with the following procedure:

: Timing chain tensioner

JPBIA4395ZZ

JPBIA5155ZZ

EM-72

< UNIT DISASSEMBLY AND ASSEMBLY >

[MR20DD]

TIMING CHAIN

a.

Press the balancer unit timing chain slack guide 

 toward bal-

ancer unit timing chain tensioner 

.

b.

Insert a stopper pin (A) into tensioner body slit to secure the bal-
ancer unit timing chain slack guide.
NOTE:
Use a hard metal pin with the diameter of approximately 1.5 mm
(0.059 in) as a stopper pin.

c.

Remove balancer unit timing chain tensioner.
• When the holes on lever and tensioner body cannot be

aligned, align these holes by slightly moving the balancer unit
timing chain slack guide.

d.

Hold the WAF part of balancer shaft [WAF: 19 mm (0.75 in)] 

,

and then loosen the balancer unit sprocket bolt.

CAUTION:

• Secure the balancer unit shaft with the WAF part.
• Never loosen the balancer unit sprocket bolt by tightening

the balancer unit drive chain.

e.

Remove crankshaft sprocket, balancer unit sprocket and bal-
ancer unit timing chain as a set.

INSTALLATION

CAUTION:

Do not reuse O-rings.
NOTE:

JPBIA5156ZZ

: Oil pan (upper)

: Engine front

PBIC3168J