Nissan Primera P11. Manual — part 412
WARNING:
I
Position vehicle on a flat and solid surface.
I
Place chocks at front and back of rear wheels.
I
Do not remove engine until exhaust system has com-
pletely cooled;
Otherwise, you may burn yourself and/or fire may break
out in fuel line.
I
Before disconnecting fuel hose, release fuel pressure
from fuel line.
Refer to “Releasing Fuel Pressure” in EC section.
I
Be sure to hoist engine and transaxle in a safe manner.
I
For engines not equipped with engine slingers, attach
slingers and bolts described in PARTS CATALOG.
CAUTION:
I
When lifting engine, be sure to clear surrounding parts.
Use special care for accelerator cable, brake lines and
brake master cylinder.
I
In hoisting the engine, always use engine slingers in a
safe manner.
I
When removing drive shaft, be careful not to damage
grease seal of transaxle.
Removal
1.
Remove engine under cover and hood.
2.
Drain coolant from both cylinder block, and radiator.
3.
Drain engine oil.
4.
Remove vacuum hoses, fuel hoses, wires, harness and con-
nectors.
5.
Remove exhaust tubes, ball joints and drive shafts.
6.
Remove radiator and fans.
7.
Remove drive belts.
8.
Remove alternator, compressor and power steering oil pump
from engine.
9.
Set a suitable transmission jack under transaxle. Hoist engine
with engine slinger.
10. Remove center member.
SEM092D
Center member
Transmission jack
ENGINE REMOVAL
SR20DE
Components (Cont’d)
EM-107
11. Remove engine mounting bolts from both sides and then
slowly lower transmission jack.
12. Remove engine with transaxle as shown.
Installation
1.
Install engine mounting bracket and fixing bolts.
Be sure that insulators are correctly positioned on the brack-
ets.
2.
Carefully lower the engine onto engine mounting insulators.
SEM597D
Front engine
mounting
NEM224
.
Rear engine mounting
SEM195F
SEM312D
Insulator
Rubber seat
ENGINE REMOVAL
SR20DE
Removal (Cont’d)
EM-108
Components
p
1
Rear oil seal retainer
p
2
Cylinder block
p
3
Water pump
p
4
Power steering oil pump
adjusting bar
p
5
Front cover with oil pump
p
6
Oil strainer
p
7
Thrust bearing
p
8
Crankshaft
p
9
Connecting rod bushing
p
10
Piston rings
p
11
Piston
p
12
Piston pin
p
13
Connecting rod
p
14
Connecting rod bearing
p
15
Aluminum oil pan
p
16
Rear cover plate
p
17
Drain plug
p
18
Steel oil pan
p
19
Baffle plate
p
20
Main bearing cap
p
21
Flywheel
p
22
Pilot bushing
p
23
Rear plate
p
24
Main bearing
NEM225
p
4
p
3
p
2
p
1
6.3 - 8.3
(0.64 - 0.85, 55.8 - 73.5)
16 - 21 (1.6 - 2.1, 12 - 15)
p
5
16 - 21 (1.6 - 2.1, 12 - 15)
6.4 - 7.5 (0.65 - 0.76, 56.6 - 66.0)
Gasket
p
6
.
6.4 - 7.5 (0.65 - 0.76,
56.6 - 66.0)
16 - 19 (1.6 - 1.9, 12 - 14)
p
23
83 - 93 (8.5 - 9.5, 61 - 69)
p
10
p
9
p
8
p
22
p
11
p
12
Snap ring
p
14
Refer to “Assembly”
Refer to “Assembly”
p
16
6.4 - 7.5
(0.65 - 0.76, 56.6 - 66.0)
p
17
29 - 39
(3.0 - 4.0, 22 - 29)
6.4 - 7.5
(0.65 - 0.76,
56.6 - 66.4)
ü
★
üü: Refer to LC section.
★ ★
: Refer to “Installation” in
“OIL PAN”.
: N·m (kg-m, in-lb)
: N·m (kg-m, ft-lb)
: Apply liquid gasket.
: Lubricate with new engine oil.
üü
: Do not re-use
★ ★
p
24
Washer
p
21
p
20
★ ★
p
19
6.4 - 7.5 (0.65 - 0.76, 56.4 - 66.0)
p
13
★ ★
p
7
6.4 - 7.5 (0.65 - 0.76, 56.4 - 66.0)
.
★
★
SEC. 110
⋅
120
⋅
150
p
15
p
18
CYLINDER BLOCK
SR20DE
Components
EM-109
CAUTION:
I
When installing sliding parts (bearings, pistons, etc.),
apply new engine oil to the sliding surfaces.
I
Place removed parts such as bearings and bearing caps
in their correct order and direction.
I
When installing connecting rod nuts and main bearing cap
bolts, apply new engine oil to threads and seating sur-
faces.
I
Do not allow any magnetic materials to contact the ring
gear teeth of flywheel/drive plate.
Disassembly
PISTON AND CRANKSHAFT
1.
Place engine on a work stand.
2.
Remove cylinder head.
Refer to “Removal” in “CYLINDER HEAD” (EM-87).
3.
Remove oil pan.
Refer to “Removal” in “OIL PAN” (EM-70).
4.
Remove timing chain.
Refer to “Removal” in “TIMING CHAIN” (EM-76).
5.
Remove pistons with connecting rods.
I
When disassembling piston and connecting rod, remove snap
ring first. Then heat piston to 60 to 70°C (140 to 158°F), or use
piston pin press stand at room temperature.
6.
Remove rear oil seal retainer.
7.
Remove bearing caps and crankshaft in numerical order as
shown in the figure.
I
Before removing bearing cap, measure crankshaft end
play.
I
Bolts should be loosened in two or three steps.
Inspection
PISTON AND PISTON PIN CLEARANCE
1.
Measure inner diameter of piston pin hole “dp”.
Standard diameter “dp”:
21.993 - 22.005 mm (0.8659 - 0.8663 in)
SEM141FA
: N·m (kg-m, ft-lb)
25 - 34
(2.5 -3.5,
18 - 25)
Spacer
[5 mm (0.20 in)
thickness]
25 - 34
(2.5 - 3.5, 18 - 25)
SEM877B
Piston heater
Oil
NEM150
Front
p
2
p
1
p
4
p
3
p
8
p
7
p
10
p
9
p
6
p
5
AEM023
CYLINDER BLOCK
SR20DE
Components (Cont’d)
EM-110
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст