Nissan Altima L32. Instruction — part 926
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ENGINE MAINTENANCE (QR25DE)
CAUTION:
• Be sure to clean the oil pan drain plug and install using a new washer.
• The refill capacity depends on the oil temperature and drain time. Use these specifications for
reference only. Always use the dipstick to determine when the proper amount of oil is in the
engine.
7. Warm up the engine and check around the drain plug and oil filter for oil leaks.
8. Stop the engine and wait for 10 minutes.
9. Check the oil level using the dipstick.
CAUTION:
Do not overfill the engine oil.
OIL FILTER
OIL FILTER : Removal and Installation
INFOID:0000000004523226
REMOVAL
1. Remove the oil filter using Tool.
WARNING:
• Be careful not to get burned, the engine and engine oil
may be hot.
CAUTION:
• When removing, prepare a shop cloth to absorb any oil
leakage or spillage.
• Do not allow engine oil to adhere to the drive belts.
• Completely wipe off any oil that adheres to the engine and
the vehicle.
• The oil filter has a built in pressure relief valve. Use a gen-
uine NISSAN oil filter or equivalent
INSTALLATION
1. Remove foreign materials adhering to the oil filter installation surface.
2. Apply clean engine oil to the oil seal contact surface of the new
oil filter.
Tool number
: KV10115801 (J-38956)
WBIA0589E
ALC094
SMA010
ENGINE MAINTENANCE (QR25DE)
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3. Screw the oil filter instructionly until it touches the installation sur-
face, then tighten it by 2/3 turn. Or tighten to specification below.
4. Check oil level and add engine oil as necessary. Refer to
5. After warming up the engine, check for any engine oil leaks.
SPARK PLUG
SPARK PLUG : Removal and Installation
INFOID:0000000004523227
REMOVAL
1. Remove the ignition coil. Refer to
EM-35, "Removal and Installation"
.
2. Remove the spark plug with a suitable spark plug wrench.
INSPECTION AFTER REMOVAL
Oil filter : 18.0 N·m (1.8 kg-m, 13 ft-lb)
SMA229B
1.
Ignition coil
2.
Spark plug
3.
Rocker cover
AWBIA0208GB
PBIC2982E
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ENGINE MAINTENANCE (QR25DE)
• Do not use a wire brush for cleaning the spark plugs. Replace as
necessary.
• If plug is covered with carbon, a spark plug cleaner may be used.
• Checking and adjusting plug gap is not required between change
intervals. If the gap is out of specification, replace the spark plug.
INSTALLATION
Installation is in the reverse order of removal.
EVAP VAPOR LINES
EVAP VAPOR LINES : Inspection
INFOID:0000000004202054
1. Visually inspect EVAP vapor lines for improper attachment and for cracks, damage, loose connections,
chafing and deterioration.
2. Inspect fuel tank filler cap vacuum relief valve for clogging, sticking, etc.
SMA773C
Cleaner air pressure : less than 588 kPa (6 kg/cm
2
, 85 psi)
Cleaning time
: less than 20 seconds
Gap (nominal)
: 1.1 mm (0.043 in)
SMA806CA
Temperature range
NGK
Standard type
DILKAR6A-11
Gap (nominal)
1.1 mm (0.043 in)
ENGINE MAINTENANCE (VQ35DE)
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ENGINE MAINTENANCE (VQ35DE)
DRIVE BELTS
DRIVE BELTS : Checking Drive Belts
INFOID:0000000004523228
WARNING:
Inspect and check the drive belts with the engine off.
1. Inspect belt for cracks, fraying, wear or oil adhesion. If necessary, replace with a new one.
2. Rotate the crankshaft pulley two times then check the belt tension.
NOTE:
• Inspect drive belt tension when engine is cold.
DRIVE BELTS : Tension Adjustment
INFOID:0000000004202056
• Belt tension is not instructionly adjustable, it is automatically adjusted by the drive belt auto-tensioner.
ENGINE COOLANT
ENGINE COOLANT : Changing Engine Coolant
INFOID:0000000004202057
WARNING:
• To avoid being scalded, never change the coolant when the engine is hot.
• Wrap a thick cloth around cap and carefully remove the cap. First, turn the cap a quarter of a turn to
release built-up pressure. Then turn the cap all the way.
DRAINING ENGINE COOLANT
1. Open radiator drain plug at the bottom of radiator and remove the radiator filler cap. This is the only step
required for a partial cooling system drain.
2. If removing the heater core, remove the upper heater hose from the engine coolant outlet and apply mod-
erate air pressure of 15 psi (103.46 kPa, 1.055 kg-cm
2
) maximum for 30 seconds into the hose to blow
out excess coolant from the core.
3. For a complete cooling system drain, remove the reservoir tank and drain the coolant, and then clean the
reservoir tank before installation.
• Do not allow coolant to spill on the drive belts.
AWBIA0707ZZ
1.
Power steering pump
2.
Drive belt auto-tensioner
3.
Crankshaft
4.
Idler pulley
5.
A/C compressor pulley
6.
Generator pulley
7.
Idler pulley
8.
Drive belt
A.
Indicator
B.
Possible use range (for new belt) C.
Belt replacement
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