engine oil capacity INFINITI QX56 2008 Factory User Guide

CHASSIS AND BODY MAINTENANCEMA-25
< ON-VEHICLE MAINTENANCE >
C
DE
F
G H
I
J
K L
M B
MA
N
O A
10. Tighten the level gauge bolt to specification.
Changing Automatic Transmission Fluid (ATF)INFOID:0000000001606182
1. Drive the vehicle to warm up the ATF to 80
° C (176 ° F).
2. Stop the engine.
3. Remove the ATF level gauge bolt.
4. Drain the ATF from the drain plug hole and then install the drain plug with a new gasket. Refill the transmission with new ATF.
Always refill with the same volume as the drained ATF. Use the
ATF level gauge to check the ATF level as shown. Add ATF as
necessary.
• To flush out the old ATF from the coolers, pour new ATF into the charging pipe with the engine idling and
at the same time drain the old ATF from the aux iliary transmission oil cooler hose return line.
• When the color of the ATF coming out of the auxiliary transmission oil cooler hose return line is about
the same as the color of the new ATF, flushing out the old ATF is complete. The amount of new trans-
mission ATF used for flushing should be 30% to 50% of the specified capacity.
CAUTION:
• Use only the specified ATF. Do not mix with other fluids.
• Using an ATF other than the speci fied ATF will cause deterioration in driveability and automatic
transmission durability, and may damage the au tomatic transmission, which is not covered by
the warranty.
• When filling the transmission with ATF, do not spill the ATF on any heat generating parts such as the exhaust manifold.
• Do not reuse the drain plug gasket.
5. Install the ATF level gauge in the ATF charging pipe and tighten the level gauge bolt to specification.
6. Drive the vehicle to warm up the ATF to 80 ° C (176 ° F).
7. Check the ATF level and condition. Refer to TM-178, "
Checking the A/T Fluid (ATF)". If the ATF is still
dirty, repeat steps 2 through 5.
Changing Transfer FluidINFOID:0000000001606183
DRAINING
1. Stop the engine. Level gauge bolt: : Refer to
TM-220, "
Component" .
Drain plug : Refer to TM-220, "
Component" .
WLIA0014E
ATF type and capacity : Refer to MA-12, "Fluids and Lubricants" .
Drain plug : Refer to TM-220, "
Component" .
Level gauge bolt : Refer to TM-220, "
Component".
Revision: March 2010 2008 QX56

MA-26
< ON-VEHICLE MAINTENANCE >
CHASSIS AND BODY MAINTENANCE
2. Remove the drain plug and gasket to drain the transfer fluid asshown.
3. Install the new gasket on the drain plug and install the drain plug in the transfer. Tighten the drain plug to specification.
CAUTION:
Do not reuse the gasket.
FILLING
1. Remove the filler plug and gasket.
2. Fill with new specified fluid until the fluid level reaches the spec-
ified limit near the filler plug mounting hole as shown.
CAUTION:
Carefully fill the transfer wi th fluid. Filling should take
approximately three minutes.
3. Leave the vehicle for three minutes and then check the fluid level again as shown.
4. Install the new gasket on the filler plug and install the filler plug in the transfer. Tighten the filler plug to specification.
CAUTION:
Do not reuse the gasket.
Checking Transfer FluidINFOID:0000000001606184
FLUID LEAKAGE AND FLUID LEVEL
1. Check for any fluid leaks from the transfer assembly or around it and correct as necessary.
2. Remove the filler plug to check the fluid level at the filler plugmounting hole as shown.
CAUTION:
Do not start the engine wh ile checking the fluid level.
3. Install the new gasket on the filler plug and install the filler plug in the transfer. Tighten the filler plug to specification.
CAUTION:
Do not reuse the gasket.
Checking Propeller ShaftINFOID:0000000001606185
Check the front and rear propeller shafts for damage, dents, and cracks. Check the joints for looseness and
any damage. Repair or replace as necessary.
Checking Final Drive OilINFOID:0000000001606186
1. Remove the filler plug. Drain plug : Refer to
TM-220, "
Component".
SMA444B
Fluid capacity and grade : Refer to MA-12, "Fluids
and Lubricants" .
Filler plug : Refer to TM-220, "
Component" .
SMA439B
Filler plug : Refer to TM-220, "Component" .
SMA439B
Revision: March 2010 2008 QX56

A/T CONTROL SYSTEMTM-27
< FUNCTION DIAGNOSIS >
CEF
G H
I
J
K L
M A
B
TM
N
O P
FUNCTION OF PRESSURE SWITCH
Pilot valve A Adjusts the line pressure and produces the constant pressure (pilot pressure) required
for line pressure control, shift change control, and lock-up control.
Pilot valve B Adjusts the line pressure and produces the constant pressure (pilot pressure) required
for shift change control.
Low coast brake switching valve During engine braking, supplies the line pressure to the low coast brake reducing valve.
Low coast brake reducing valve When the low coast brake is coupled, adjusts the line pressure to the optimum pressure
(low coast brake pressure) and supplies it to the low coast brake.
N-R accumulator Produces the stabilizing pressure for when N-R is selected.
Direct clutch piston switching valve Operates in 4GR gear and switches the direct clutch coupling capacity.
High and low reverse clutch control valve When the high and low reverse clutch is coupled, adjusts the line pressure to the opti-
mum pressure (high and low reverse clutch pressure) and supplies it to the high and low
reverse clutch. (In 1GR, 3GR, 4GR and 5GR, adjusts the clutch pressure.)
Input clutch control valve When the input clutch is coupled, adjusts the line pressure to the optimum pressure (in-
put clutch pressure) and supplies it to the input clutch. (In 4GR and 5GR, adjusts the
clutch pressure.)
Direct clutch control valve When the direct clutch is coupled, adjusts the line pressure to the optimum pressure (di-
rect clutch pressure) and supplies it to the direct clutch. (In 2GR, 3GR, and 4GR, adjusts
the clutch pressure.)
TCC control valve
TCC control plug
TCC control sleeve Switches the lock-up to operating or released. Also, by performing the lock-up operation
transiently, lock-up smoothly.
Torque converter lubrication valve Operates during lock-up to switch the torque converter, cooling, and lubrication system
oil path.
Cool bypass valve Allows excess oil to bypass cooler circuit without being fed into it.
Line pressure relief valve Discharges excess oil from line pressure circuit.
N-D accumulator Produces the stabilizing pressure for when N-D is selected.
Manual valve Sends line pressure to each circuit according to the select position. The circuits to which
the line pressure is not sent drain.
Name
Function
Name Function
Pressure switch 2 (LC/B) Detects any malfunction in the low coast brake hydraulic pressure. When it detects any
malfunction, it puts the system into fail-safe mode.
Revision: March 2010
2008 QX56

TM-180
< ON-VEHICLE MAINTENANCE >
A/T FLUID
Changing the A/T Fluid (ATF)
INFOID:0000000004917425
CAUTION:
If using the vehicle for towing, the A/T fl uid must be replaced as specified. Refer to MA-8, "
Introduc-
tion of Periodic Maintenance".
1. Drive the vehicle to warm up the A/T fluid to approximately 80 ° C (176 ° F).
2. Stop the engine.
3. Remove the A/T fluid level gauge.
4. Drain the A/T fluid from the drain plug hole, then install the drain plug with a new gasket. Refill the transmission with new A/T
fluid. Always refill with the same volume as the drained A/T fluid.
Use the A/T fluid level gauge to check the A/T fluid level as
shown. Add A/T fluid as necessary.
• To flush out the old A/T fluid from the transmission oil coolers, pour new A/T fluid into the A/T fluid charg-
ing pipe with the engine idling and at the same time drain the old A/T fluid from the auxiliary transmis-
sion oil cooler hose return line.
• When the color of the A/T fluid coming out of the auxiliary transmission oil cooler hose return line is
about the same as the color of the new A/T fluid, flushing out the old A/T fluid is complete. The amount
of new A/T fluid used for flushing should be 30% to 50% increase of the specified capacity.
CAUTION:
• Use only Genuine NISSAN Matic J ATF and do not mix with other fluids.
• Using A/T fluid other than Genuine NISSAN Mati c J ATF will cause deterioration in driveability
and automatic transmission durability, and may damage the automatic transmission, which is
not covered by the warranty.
• When filling the transmission with A/T fluid, do not spill the A/T fluid on any heat generating parts such as the exhaust manifold.
• Do not reuse the drain plug gasket.
5. Install the A/T fluid level gauge and tighten the A/T fluid level gauge bolt to specification.
6. Drive the vehicle to warm up the A/T fluid to approximately 80 ° C (176 ° F).
7. Check the fluid level and condition. If the A/T fluid is still dirty, repeat steps 2 through 6.
8. Install the A/T fluid level gauge in the A/T fluid charging pipe and install the A/T fluid level gauge bolt.
9. Tighten the A/T fluid level gauge bolt to specification. Drain plug : Refer to
TM-220, "
Component".
LLIA0071E
A/T fluid grade and capacity : Refer to MA-12, "Fluids and Lubricants".
A/T fluid level
gauge bolt : Refer to TM-214, "
Removal and Installation (2WD)" or TM-216, "Removal and
Installation (4WD)".
LLIA0071E
Revision: March 2010
2008 QX56