Nissan Xterra. Manual — part 497
RECOMMENDED FLUIDS AND LUBRICANTS
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*10: NISSAN recommends Genuine NISSAN Ester Oil available at a NISSAN dealer.
SAE Viscosity Number
INFOID:0000000009484262
NISSAN recommends the use of an energy conserving oil in order to improve fuel economy. Select only
engine oils that meet the American Petroleum Institute (API) certification and International Lubricant Standard-
ization and Approval Committee (ILSAC) certification and SAE viscosity standard (2). These oils have the API
certification mark (1) on the front of the container. Oils which do not have the specified quality label should not
be used as they could cause engine damage.
Anti-Freeze Coolant Mixture Ratio
INFOID:0000000009484263
The engine cooling system is filled at the factory with a pre-diluted mixture of 50% Genuine NISSAN Long Life
Antifreeze/Coolant (blue) and 50% water to provide year-round anti-freeze and coolant protection. The anti-
freeze solution contains rust and corrosion inhibitors. Additional engine cooling system additives are not nec-
essary.
WARNING:
• Do not remove the radiator or coolant reservoir cap when the engine is hot. Wait until the engine and
radiator cool down. Serious burns could be caused by high pressure fluid escaping from the radia-
tor.
• The radiator is equipped with a pressure type radiator cap. To prevent engine damage, use only a
genuine NISSAN radiator cap.
CAUTION:
• When adding or replacing coolant, be sure to use only Genuine NISSAN Long Life Antifreeze/Cool-
ant (blue) or equivalent. Genuine NISSAN Long Life Antifreeze/Coolant (blue) is pre-diluted to pro-
vide antifreeze protection to -34
°F (-37°C). If additional freeze protection is needed due to weather
where the vehicle is operated, add Genuine NISSAN long life Antifreeze/Coolant (blue) concentrate
following the directions on the container. If an equivalent coolant other than Genuine NISSAN Long
Life Antifreeze/Coolant (blue) is used, follow the coolant manufacturer’s instructions to maintain
minimum antifreeze protection to -34
°F (-37°C). The use of other types of coolant solutions other
than Genuine NISSAN Long Life Antifreeze/Coolant (blue) or equivalent may damage the engine
cooling system.
• Mixing any other type of coolant other than Genuine NISSAN Long Life Antifreeze/Coolant (blue),
including Genuine NISSAN Long Life Antifreeze/Coolant (green), or the use of non-distilled water will
reduce the life expectancy of the factory filled coolant.
1.
API certification mark
2.
API service symbol
JSPIA0014ZZ
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ENGINE MAINTENANCE
ENGINE MAINTENANCE
DRIVE BELT
DRIVE BELT : Exploded View
INFOID:0000000009484264
DRIVE BELT : Checking Drive Belts
INFOID:0000000009484265
WARNING:
Be sure to perform when the engine is stopped.
1. Remove air duct and resonator assembly when inspecting drive belt. Refer to
.
2. Make sure that the auto-tensioner indicator is within the allow-
able working range (A) as shown.
3. Visually check entire belt for wear, damage or cracks.
4. If the indicator is out of allowable working range or drive belt is
damaged, replace the drive belt. Refer to
.
DRIVE BELT : Adjustment
INFOID:0000000009484266
There is no manual drive belt tension adjustment. The drive belt tension is automatically adjusted by the drive
belt auto-tensioner.
ENGINE COOLANT
ENGINE COOLANT : System Inspection
INFOID:0000000009484267
WARNING:
• Do not remove the radiator cap when the engine is hot. Serious burns could occur from high pres-
sure coolant escaping from the radiator.
• Wrap a thick cloth around the cap. Slowly push down and turn it a quarter turn to allow built-up pres-
sure to escape. Carefully remove the cap by pushing down and turning it all the way.
LBIA0427E
1.
Drive belt
2.
Power steering oil pump pulley
3.
Generator pulley
4.
Crankshaft pulley
5.
A/C compressor
6.
Cooling fan pulley
7.
Idler pulley
8.
Drive belt auto-tensioner
AWBIA0723ZZ
ENGINE MAINTENANCE
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CHECKING RESERVOIR LEVEL
• Check if the engine coolant reservoir tank level is within MIN to
MAX when the engine is cool.
• Adjust engine coolant level as necessary..
ENGINE COOLANT : Changing Engine Coolant
INFOID:0000000009484268
WARNING:
Do not remove the radiator cap when the engine is hot. Serious burns could occur from high-pressure
engine coolant escaping from the radiator. Wrap a thick cloth around the radiator cap. Slowly turn it a
quarter of a turn to release built-up pressure. Carefully remove radiator cap by turning it all the way.
DRAINING ENGINE COOLANT
1. Turn ignition switch ON and set temperature control lever all the way to HOT position or the highest tem-
perature position. Wait 10 seconds and turn ignition switch OFF.
2. Remove the engine under cover. Refer to
EXT-15, "Removal and Installation"
.
3. Open the radiator drain plug at the bottom of the radiator, and
remove the reservoir cap. This is the only step required when
partially draining the cooling system (radiator only).
CAUTION:
• Do not to allow the coolant to contact the drive belts.
• Perform this step when engine is cold.
4. When draining all of the coolant in the system for engine
removal or repair, it is necessary to drain the cylinder block.
Remove the cylinder block drain plugs (A), (B), (C), (D) and
block heater (if equipped), to drain the cylinder block as shown.
CAUTION:
Do not reuse copper sealing washers.
NOTE:
For Canada, the (D) cylinder block drain plug as shown, is not a
cylinder block drain plug but a block heater.
SMA412B
LLIA0070E
WLIA0020E
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ENGINE MAINTENANCE
5. Remove the reservoir tank to drain the engine coolant, then clean the reservoir tank before installing it.
6. Check the drained coolant for contaminants such as rust, corrosion or discoloration.
If the coolant is contaminated, flush the engine cooling system. Follow the "Flushing Cooling System" pro-
cedure.
REFILLING ENGINE COOLANT
1. Close the radiator drain plug. Install the reservoir tank, cylinder
block drain plugs (A), (B), (C), (D) and block heater (if
equipped), if removed for a total system drain or for engine
removal or repair.
• The radiator must be completely empty of coolant and water.
• Apply sealant to the threads of the cylinder block drain plugs
(A), (B), (C), (D). Use Genuine High Performance Thread
Sealant or equivalent. Refer to
.
• Tighten each plug to the specified torque. Refer to
CAUTION:
Do not reuse copper sealing washers.
2. Set the vehicle heater controls to the full HOT and heater ON position. Turn the vehicle ignition ON with
the engine OFF as necessary to activate the heater mode.
3. Remove the vented reservoir cap and replace it with a non-vented reservoir cap before filling the cooling
system.
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 coolant mixture container that is
placed at floor level. Make sure the ball valve is in the closed
position.
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.
NOTE:
Use recommended coolant or equivalent. Refer to
6. Install an air hose to the venturi assembly, the air pressure must
be within specification.
WLIA0020E
Tool number
: KV991J0070 (J-45695)
Cooling system capacity
(with reservoir)
: Refer to
LLIA0058E
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