2008 INFINITI QX56 Factory Service Manual

Page 3729 of 4083

INFINITI QX56 2008  Factory Service Manual TM-182
< ON-VEHICLE MAINTENANCE >
A/T FLUID COOLER
A/T FLUID COOLER
A/T Fluid Cooler CleaningINFOID:0000000004917426
Whenever an A/T is repaired, overhauled, or replaced, the A/T fluid cooler mounted

Page 3730 of 4083

INFINITI QX56 2008  Factory Service Manual A/T FLUID COOLERTM-183
< ON-VEHICLE MAINTENANCE >
CEF
G H
I
J
K L
M A
B
TM
N
O P
13. Flush each steel line from the cooler side back toward the A/T by spraying Transmission Cooler Cleaner in a continu

Page 3731 of 4083

INFINITI QX56 2008  Factory Service Manual TM-184
< ON-VEHICLE MAINTENANCE >
A/T FLUID COOLER
8. Insert the tip of an air gun into the end of the cooler outlet hose.
9. Wrap a shop rag around the air gun tip and end of cooler outlethose.
10. B

Page 3732 of 4083

INFINITI QX56 2008  Factory Service Manual STALL TESTTM-185
< ON-VEHICLE MAINTENANCE >
CEF
G H
I
J
K L
M A
B
TM
N
O P
STALL TEST
Inspection and JudgmentINFOID:0000000001696156
A/T FLUID CHECK
Fluid Leakage and Fluid Level Check 
• Inspect fo

Page 3733 of 4083

INFINITI QX56 2008  Factory Service Manual TM-186
< ON-VEHICLE MAINTENANCE >
STALL TEST
4. Engine start, apply foot brake, and place selector lever in “D”
position.
5. While holding down the foot brake, gradually press down the accelerator

Page 3734 of 4083

INFINITI QX56 2008  Factory Service Manual LINE PRESSURE TESTTM-187
< ON-VEHICLE MAINTENANCE >
CEF
G H
I
J
K L
M A
B
TM
N
O P
LINE PRESSURE TEST
Inspection and JudgmentINFOID:0000000001696157
LINE PRESSURE TEST 
Line Pressure Test Port
Line Pr

Page 3735 of 4083

INFINITI QX56 2008  Factory Service Manual TM-188
< ON-VEHICLE MAINTENANCE >
LINE PRESSURE TEST
5. Start the engine, then measure the line pressure at both idle andthe stall speed.
CAUTION:
• Keep the brake pedal pressed all the way down dur

Page 3736 of 4083

INFINITI QX56 2008  Factory Service Manual ROAD TESTTM-189
< ON-VEHICLE MAINTENANCE >
CEF
G H
I
J
K L
M A
B
TM
N
O P
ROAD TEST
DescriptionINFOID:0000000001696158
ROAD TEST 
• The road test inspects overall performance of  the A/T and analyze