Infiniti Q45. Manual — part 552
EXHAUST MANIFOLD AND THREE WAY CATALYST
EM-25
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Exhaust Manifold
●
Install exhaust manifold and three way catalyst in numerical
order shown in the figure.
●
Tighten nuts No. 1 to No. 4 in two steps. Order No. 9 to 12
shows second step.
Air Fuel Ratio sensor 1 and Heated Oxygen Sensor 2
●
Install air fuel ratio sensor and heated oxygen sensors in the original position.
●
Install referring the following if the installation positions cannot
be identified.
*
1
: Length of bank1 for air fuel ratio sensor is different from
bank2.
*
2
: Refer to
CAUTION:
●
Before installing a new air fuel ratio sensor 1 and a new heated oxygen sensor 2, clean exhaust
system threads using the heated oxygen sensor thread cleaner (commercial service tool: J-43897-
18 or J-43897-12), and apply anti-seize lubricant (commercial service tool).
●
Do not over torque the air fuel ratio sensor 1 and heated oxygen sensor 2. Doing so may cause
damage to the air fuel ratio sensor 1 and heated oxygen sensor 2, resulting in the MIL coming on.
PBIC0022E
Glass tube color
Air fuel ratio sensor 1 (bank 1)*
1
: Black
Air fuel ratio sensor 1 (bank 2)*
1
: Black
Heated oxygen sensor 2 (bank 1)*
2
: White
Heated oxygen sensor 2 (bank 2)*
2
: White
PBIC2652E
EM-26
OIL PAN AND OIL STRAINER
OIL PAN AND OIL STRAINER
PFP:11110
Removal and Installation
NBS001OM
REMOVAL
WARNING:
To avoid the danger of being scalded, do not drain engine oil when engine is hot.
1.
Remove front tires.
2.
Remove hood assembly. Refer to
3.
Remove engine undercover (with power tool).
4.
Remove engine cover, battery cover, air duct (inlet) and air cleaner cover. Refer to
5.
.
6.
Remove drive belts. Refer to
EM-14, "Removal and Installation"
.
7.
Remove auto tensioner of power steering oil pump belt. Refer to
EM-15, "Drive Belt Auto Tensioner and
8.
Move power steering oil pump and remove power steering oil pump bracket.
9.
Remove oil filter. Refer to
LU-9, "Removal and Installation"
.
10. Remove A/C compressor fitting bolts, and put A/C compressor temporarily on vehicle side with ropes or
equivalent. Refer to
ATC-149, "Removal and Installation of Compressor"
11. Disconnect harness and wires of lower side of oil pan from oil pan.
12. Remove crankshaft position sensor (POS) from transmission.
CAUTION:
●
Do not drop or shock it.
1.
Oil pan
2.
O-ring
3.
Crankshaft position sensor (POS)
4.
O-ring
5.
Oil pressure switch
6.
Gasket
7.
Oil strainer
8.
Oil pan drain plug
9.
Washer
10.
Oil filter
11.
Rear plate cover
PBIC2806E
OIL PAN AND OIL STRAINER
EM-27
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Do not disassemble it.
●
Do not let steel powders contact magnetic parts of sensor tips.
●
Do not leave where magnetically effected.
13. Install engine slinger and hang engine assembly to secure position. Refer to
.
14. Remove front suspension member with power tool. Refer to
FSU-16, "FRONT SUSPENSION MEMBER"
15. Remove oil pan as follows:
a.
Remove rear plate cover.
b.
Remove transmission joint bolts (M12: 4 bolts) which pierce oil pan. Refer to
.
c.
Loosen oil pan bolts with power tool in the reverse order of fig-
ure to remove.
NOTE:
Disregard No. 11 and No. 17 when loosening.
d.
Insert the seal cutter (SST) between oil pan and cylinder block.
Slide the seal cutter by tapping on side of the seal cutter with a
hammer. Remove oil pan.
CAUTION:
●
Be careful not to damage mating surface.
●
Do not insert a screwdriver, this will damage the mating
surface.
e.
Remove O-rings from bottom of oil pump and front cover.
16. Remove oil strainer.
INSPECTION AFTER REMOVAL
Clean oil strainer if any object attached.
INSTALLATION
1.
Install oil strainer.
2.
Install oil pan as follows:
a.
Use scraper to remove old liquid gasket from mating surfaces.
●
Also remove the old liquid gasket from mating surface of cylinder block.
●
Remove old liquid gasket from the bolt holes and threads.
CAUTION:
Do not scratch or damage the mating surfaces when cleaning off old liquid gasket.
PBIC0194E
SEM365E
EM-28
OIL PAN AND OIL STRAINER
b.
Apply liquid gasket thoroughly as shown in figure.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-45, "RECOMMENDED CHEMICAL PRODUCTS AND
SEALANTS"
CAUTION:
Attaching should be done within 5 minutes after coating.
c.
Install new O-ring to oil pump and front cover side.
d.
Install oil pan.
CAUTION:
Install avoiding misalignment of O-rings.
●
Tighten mounting bolts in numerical order as shown in the fig-
ure.
NOTE:
Tighten mounting bolts No. 1 and 2 in two steps. The numeri-
cal order No. 11 and 17 shown second steps.
●
There are three types of mounting bolts. Refer to the following
for locating bolts.
e.
Tighten transmission joint bolts. Refer to
AT-249, "TRANSMISSION ASSEMBLY"
f.
Install rear plate cover.
3.
Install oil pan drain plug.
●
Refer to
EM-26, "Removal and Installation"
for installation direction of washer.
4.
Install in the reverse order of removal.
NOTE:
Pour engine oil at least 30 minutes after oil pan is installed.
INSPECTION AFTER INSTALLATION
1.
Check engine oil level and adjust the level. Refer to
.
2.
Start engine, and make sure there is no leak of engine oil.
3.
Stop engine and wait for 15 minutes.
4.
Check and adjust engine oil level again. Refer to
PBIC0195E
M6
×
30 mm (1.18 in)
: 18, 19
M8
×
100 mm (3.94 in)
: 5, 9
M8
×
45 mm (1.77 in)
: Except the above
PBIC0194E
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