Nissan Primera P12. Manual — part 429
EM-62
[YD]
CAMSHAFT
●
New adjusting shims have the thickness stamped on the rear
side.
●
Shims are available in 33 size from 2.10 mm (0.0827 in) to
2.74 mm (0.1079 in), in steps of 0.02 mm (0.0008 in).
11. Fit the selected adjusting shim to the valve lifter.
CAUTION:
Place the stamped side of the adjusting shim to the valve
lifter.
12. Compress the valve spring using the camshaft pliers and
remove the lifter stopper.
13. Rotate the crankshaft 2 to 3 turns by hand.
14. Confirm that the valve clearance is within the specification.
Valve clearance:
*: Approximately 80
°
C (176
°
F)
15. Install remaining parts in reverse order of removal.
Stamped mark
Shim thickness mm (in)
2.10
2.12
·
·
·
2.74
2.10 (0.0827)
2.12 (0.0835)
·
·
·
2.74 (0.1079)
JEM184G
SEM552G
Item
Cold
Hot* (Reference data)
Intake
0.24 -0.32 (0.0094 - 0.0126)
0.274 - 0.386 (0.0108 - 0.0152)
Exhaust
0.26 - 0.34 (0.0102 - 0.0134)
0.308 - 0.432 (0.0121 - 0.0170)
SECONDARY TIMING CHAIN
EM-63
[YD]
C
D
E
F
G
H
I
J
K
L
M
A
EM
SECONDARY TIMING CHAIN
PFP:13028
Removal and Installation
EBS00SNY
CAUTION:
●
After removing timing chain, do not turn crankshaft and camshaft separately, or valves will strike
piston heads.
●
When installing camshafts, chain tensioners, oil seals or other sliding parts, lubricate contacting
surfaces with new engine oil.
●
Apply new engine oil to parts marked in illustration before installation.
REMOVAL
●
For preparative work for removing/installing secondary timing chain to remove/install fuel pump. Refer to
.
●
To prepare for removing/installing secondary timing chain to remove/install camshaft. Refer to
.
1.
Remove coolant reservoir tank.
2.
Remove RH engine mount insulator and bracket. Refer to
EM-89, "Removal and Installation"
.
3.
Pull power steering reservoir tank out of brackets to move power steering piping.
CAUTION:
To avoid removing power steering reservoir tank out of brackets move it with power steering pip-
ing aside.
MBIA0028E
EM-64
[YD]
SECONDARY TIMING CHAIN
4.
Remove front chain case.
●
Move power steering fluid reservoir tank from the bracket.
●
Loosen fixing bolts in the reverse order of that shown in the
figure and remove them.
●
Remove No. 6, 10 and 11 bolts with the rubber washer as
space is limited for pulling them out.
CAUTION:
●
While front chain case is removed, cover openings to
prevent entry of foreign material into engine.
●
Do not remove two mass dampers on the back of cover.
5.
Set the No. 1 piston to TDC on its compression stroke.
●
Turn crankshaft pulley clockwise so that the alignment mark
(punched mark) on each camshaft sprocket is positioned as
shown in the figure.
●
No position indicator is provided on the crankshaft pul-
ley.
●
When installing, color coded links on the secondary tim-
ing chain can be used as alignment marks. Marking may
not be necessary for removal; however, make alignment
marks as required because the alignment mark on fuel
supply pump sprocket may not be easy to see.
6.
Remove chain tensioner.
a.
Push the plunger of chain tensioner and keep it pressed with a
push pin.
JEM121G
SBIA0189E
SEM515G
JEM124G
SECONDARY TIMING CHAIN
EM-65
[YD]
C
D
E
F
G
H
I
J
K
L
M
A
EM
b.
Using a hexagon-head wrench [face to face 5 mm, (0.20 in)
SST], remove bolts to remove chain tensioner.
7.
Remove timing chain slack guide.
●
Using a hexagon-head wrench [face to face 6 mm (0.24 in)
SST], remove bolt to remove timing chain slack guide.
8.
Remove timing chain tension guide.
9.
Remove secondary timing chain.
●
Timing chain alone can be removed without removing sprock-
ets.
INSPECTION AFTER REMOVAL
Timing Chain
Check for cracks and excessive wear at roller links. Replace
chain if necessary.
SBIA0227E
SBIA0228E
JEM127G
SEM984C
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст