Nissan Sentra Service Manual: Unit disassembly and assembly
OIL PUMP

- O-ring
- Oil pan (upper)
- Oil level gauge guide
- O-ring
- Oil level gauge
- Oil pump chain tensioner
- Oil pump drive chain
- Crankshaft sprocket
- Oil pump sprocket
- Oil pump
- Drain plug washer
- Drain plug
- Oil pan (lower)
- Oil filter
- Connector bolt
- Crankshaft position sensor
- Rear oil seal
- Refer to LU-10, "Removal and Installation"
- Oil pan side
Removal and Installation
REMOVAL
- Remove engine under cover. Refer to EXT-16, "Exploded View".
- Remove air cleaner and air duct. Refer toEM-25, "Removal and
Installation".
- Remove fender protector. Refer to EXT-28, "FENDER PROTECTOR : Removal
and Installation - Front
Fender Protector".
- Remove timing chain. Refer to EM-49, "Removal and Installation".
- Remove oil pump.
- Loosen bolts in reverse order as shown.
(1) : Oil pump
(2) : Oil pan (upper)

INSTALLATION
CAUTION:
Do not reuse O-rings or washers.
Installation is in the reverse order of removal.
Oil Pump
- Tighten bolts in numerical order as shown.
(1) : Oil pump
(2) : Oil pan (upper)

Inspection
INSPECTION AFTER INSTALLATION
- Check the engine oil level. Refer to LU-7, "Inspection".
- Start the engine, and check that there are no leaks of engine oil.
- Stop the engine and wait for 10 minutes.
- Check the engine oil level, and adjust the level. Refer to LU-7,
"Inspection".
OIL COOLER
Exploded View
M/T models
Clamp
Water hose
Clamp
Water hose
Oil cooler
O-rings
CVT models
Clamp
Water hose
Clamp
Water hose
Water hose clip
Oil coole ...
Oil pressure
*: Engine oil temperature at 80В°C (176В°F)
Oil Capacity
...
Other materials:
Break-in schedule
CAUTION
During the first 1,200 miles (2,000 km),
follow these recommendations to obtain
maximum engine performance and ensure
the future reliability and economy of your
new vehicle. Failure to follow these recommendations
may result in shortened
engine life and reduced engine
performance.
A ...
Power supply and ground circuit
Av control unit
Av control unit : diagnosis procedure
Regarding wiring diagram information, refer to av-331, "wiring diagram".
1.Check fuse
Check that the following fuses are not blown.
Are the fuses blown?
Yes >> replace the blown fuse after repairing the affected circuit. ...
Electrical units location
Electrical units location
Engine compartment
Passenger compartment
Luggage compartment
...
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