Nissan Sentra. Manual — part 628
ENGINE MAINTENANCE
MA-15
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4. Install the Tool by installing the radiator cap adapter onto the
radiator neck opening. Then attach the gauge body assembly
with the refill tube and the venturi assembly to the radiator cap
adapter.
5. Insert the refill hose into the engine coolant mixture container
that is placed at floor level. Make sure the ball valve is in the
closed position.
• Use recommended engine coolant or equivalent.
Refer to
MA-11, "Fluids and Lubricants"
(United States and
Canada).
CAUTION:
Do not use any cooling system additives such as radiator
sealer. Additives may clog the cooling system and cause
damage to the engine, transmission and/or cooling system.
6. Install an air hose to the venturi assembly, the air pressure must
be within specification.
CAUTION:
The compressed air supply must be equipped with an air dryer.
7. The vacuum gauge will begin to rise and there will be an audible hissing noise. During this process open
the ball valve on the refill hose slightly. Engine coolant will be visible rising in the refill hose. Once the refill
hose is full of engine coolant, close the ball valve. This will purge any air trapped in the refill hose.
8. Continue to draw the vacuum until the gauge reaches 28 inches
of vacuum. The gauge may not reach 28 inches in high altitude
locations, use the vacuum specifications based on the altitude
above sea level.
9. When the vacuum gauge has reached the specified amount, disconnect the air hose and wait 20 seconds
to see if the system loses any vacuum. If the vacuum level drops, perform any necessary repairs to the
system and repeat steps 6 - 8 to bring the vacuum to the specified amount. Recheck for any leaks.
10. Place the engine coolant container (with the refill hose inserted) at the same level as the top of the radia-
tor. Then open the ball valve on the refill hose so the engine coolant will be drawn up to fill the cooling sys-
tem. The cooling system is full when the vacuum gauge reads zero.
CAUTION:
Do not allow the engine coolant container to get too low when filling, to avoid air from being drawn
into the cooling system.
11. Remove the Tool from the radiator neck opening.
12. Fill the cooling system reservoir tank to the specified level and install the radiator cap. Run the engine to
warm up the cooling system and top up the system as necessary.
13. Install the engine under cover. Refer to
FLUSHING COOLING SYSTEM
Tool number
: KV991J0070 (J-45695)
Engine coolant capacity
(with reservoir tank)
: Refer to
.
Compressed air
supply pressure
: 549 - 824 kPa (5.6 - 8.4 kg/cm
2
,
80 - 119 psi)
LLIA0058E
Altitude above sea level
Vacuum gauge reading
0 - 100 m (328 ft)
: 28 inches of vacuum
300 m (984 ft)
: 27 inches of vacuum
500 m (1,641 ft)
: 26 inches of vacuum
1,000 m (3,281 ft)
: 24 - 25 inches of vacuum
LLIA0057E
MA-16
< PERIODIC MAINTENANCE >
ENGINE MAINTENANCE
1. Fill the radiator from the filler neck above the radiator upper hose and reservoir tank with clean water and
reinstall the radiator filler cap.
2. Run the engine until it reaches normal operating temperature.
3. Rev the engine two or three times under no-load.
4. Stop the engine and wait until it cools down.
5. Drain the water from the system. Refer to
MA-14, "ENGINE COOLANT : Changing Engine Coolant"
.
6. Repeat steps 1 through 5 until clear water begins to drain from the radiator.
FUEL LINES
FUEL LINES : Inspection
INFOID:0000000009756183
Inspect fuel lines, fuel filler cap, and fuel tank for improper attach-
ment, leakage, cracks, damage, loose connections, chafing or dete-
rioration.
If necessary, repair or replace damaged parts.
AIR CLEANER FILTER
AIR CLEANER FILTER : Component
INFOID:0000000010296006
(A)
: Engine
(B)
: Fuel line
(C)
: Fuel tank
JPBIA0129ZZ
JSBIA2746GB
ENGINE MAINTENANCE
MA-17
< PERIODIC MAINTENANCE >
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AIR CLEANER FILTER : Removal and Installation
INFOID:0000000009756184
REMOVAL
1. Remove air duct inlet (upper) (1).
2. Unhook the tabs (A) of both ends of the air cleaner cover.
3. Remove the air cleaner filter (1) and air cleaner body (2) from
the air cleaner cover.
4. Remove the air cleaner filter from the air cleaner body.
INSTALLATION
Installation is in the reverse order of removal.
• Tabs shall be fixed after inserting air cleaner body protrusion to air cleaner case notch hole.
• Make sure that whether air cleaner body has been firmly installed by shaking it.
AIR CLEANER FILTER : Inspection
INFOID:0000000009756185
INSPECTION AFTER REMOVAL
Examine with eyes that there is no stain, clogging, or damage on air cleaner element.
• Remove dusts (such as dead leafs) on air cleaner element surface and inside cleaner case.
• If clogging or damage is observed, replace the air cleaner element.
CAUTION:
Do not clean the viscous paper type air cleaner filter by blowing as there is risk of deterioration of its
performance.
ENGINE OIL
ENGINE OIL : Inspection
INFOID:0000000009756186
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.
1.
Mass air flow sensor
2.
Mass air flow gasket
3.
Clamp
4.
Air duct (suction side)
5.
Resonator
6.
Clamp
7.
PCV hose
8.
Clamp
9.
Clamp
10.
Air cleaner cover
11.
Mounting rubber
12.
Air cleaner filter
13.
Air cleaner body
14.
Air duct inlet (lower)
15.
Air duct inlet (upper)
16.
Grommet
17.
Bracket
18.
Grommet
JPBIA4352ZZ
JPBIA4353ZZ
MA-18
< PERIODIC MAINTENANCE >
ENGINE MAINTENANCE
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 : Draining
INFOID:0000000009756187
WARNING:
• Be careful not to get burned, as engine oil may be hot.
• Prolonged and repeated contact with used engine oil may cause skin cancer. Try to avoid direct skin
contact with used engine oil. If skin contact is made, wash thoroughly with soap or hand cleaner as
soon as possible.
1. Warm up the engine, and check for engine oil leaks from engine components. Refer to
2. Stop the engine and wait for 10 minutes.
3. Loosen oil filler cap.
4. Remove drain plug and then drain engine oil.
ENGINE OIL : Refilling
INFOID:0000000009756188
1. Install drain plug with new drain plug washer. Refer to
CAUTION:
Be sure to clean drain plug and install with new drain plug washer.
2. Refill with new engine oil.
• Engine oil specification and viscosity: Refer to
MA-11, "Engine Oil Recommendation"
• Engine oil capacity : Refer to
CAUTION:
• The refill capacity depends on the engine oil temperature and drain time. Use these specifica-
tions for reference only.
• Always use oil level gauge to determine the proper amount of engine oil in the engine.
3. Warm up engine and check area around drain plug and oil filter for engine oil leaks.
4. Stop engine and wait for 10 minutes.
5. Check the engine oil level. Refer to
MA-17, "ENGINE OIL : Inspection"
OIL FILTER
OIL FILTER : Removal and Installation
INFOID:0000000009756189
REMOVAL
1. Remove engine under cover. Refer to
.
2. Drain engine oil. Refer to
MA-18, "ENGINE OIL : Draining"
PBIC3309J
Tightening torque
: 34.3 N·m (3.5 kg-m, 25 ft-lb).
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