Nissan Sentra. Instruction — part 621
LU-4
< PREPARATION >
[MRA8DE]
PREPARATION
PREPARATION
PREPARATION
Special Service Tools
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The actual shape of the tools may differ from those illustrated here.
Commercial Service Tools
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Tool number
(TechMate No.)
Tool name
Description
ST25051001
(J-25695-1)
Oil pressure gauge
Measuring oil pressure
Maximum measuring range: 2,452 kPa (25
kg-cm
2
, 356 psi)
ST25052000
(J-25695-2)
Hose
Adapting oil pressure gauge to upper oil pan
KV10115801
(J-38956)
Oil filter wrench
Removing and installing oil filter
KV10111100
(J-37228)
Seal cutter
Removing oil pan (lower) etc.
NT050
S-NT559
S-NT772
S-NT046
PREPARATION
LU-5
< PREPARATION >
[MRA8DE]
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LU
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P
O
Tool name
Description
Deep socket
Removing and installing oil pressure sensor
27 mm (1.06 in)
Tube presser
Pressing the tube of liquid gasket
PBIC4066E
NT052
LU-6
< SYSTEM DESCRIPTION >
[MRA8DE]
DESCRIPTION
SYSTEM DESCRIPTION
DESCRIPTION
Engine Lubrication System Schematic
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JSBIA2841GB
ENGINE OIL
LU-7
< PERIODIC MAINTENANCE >
[MRA8DE]
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PERIODIC MAINTENANCE
ENGINE OIL
Inspection
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ENGINE OIL LEVEL
NOTE:
Before starting engine, put vehicle horizontally and check the engine oil level. If engine is already started, stop
it and allow 10 minutes before checking.
1. Pull out oil level gauge and wipe it clean.
2. Insert oil level gauge and check that the engine oil level is within
the range (A) shown.
3. If engine oil is out of range, adjust it.
ENGINE OIL APPEARANCE
• Check engine oil for white turbidity or heavy contamination.
• If engine oil becomes turbid and white, it is highly probable that it is contaminated with engine coolant.
Repair or replace damaged parts.
ENGINE OIL LEAKAGE
Check for engine oil leaks around the following areas.
• Oil cooler
• Oil temperature sensor
• Oil pan (upper and lower)
• Oil pan drain plug
• Oil pressure sensor
• Oil filter
• Valve timing control cover
• Valve timing control solenoid valve (intake and exhaust)
• Front cover
• Mating surface between cylinder head and camshaft bracket
• Mating surface between cylinder block and cylinder head
• Mating surface between camshaft bracket and rocker cover
• Crankshaft oil seals (front and rear)
OIL PRESSURE CHECK
WARNING:
• Be careful not to get burned, as engine oil may be hot.
• When checking engine oil pressure, shift position should be “P” (CVT models) or “N” (M/T models),
and apply parking brake securely.
1. Check engine oil level.
PBIC3309J
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