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:
Main line between ipdm-e and dlc circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and loose
connection (connector side
and harness side).
Harness connector e4
Harness connec ...
Wiring diagram
Brake control system
Wiring Diagram
...
Three Way Catalyst
If a large amount of unburned fuel flows into the catalyst, the catalyst
temperature will be excessively high. To
prevent this, follow the instructions.
Use unleaded gasoline only. Leaded gasoline will seriously damage the
three way catalyst.
When checking for ignition spark or measuring ...
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