Infiniti F50. Manual — part 32
PREPARATION
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Commercial Service Tools
ECS0082L
Tool name
Description
Power tool
Loosening bolts and nuts
Drift
a: 22 mm (0.87 in)
Installing manual shaft oil seal.
PBIC0190E
NT083
AT-14
A/T FLUID
A/T FLUID
PFP:KLE40
Changing A/T Fluid
ECS0082M
1.
Warm up A/T fluid.
2.
Stop engine.
3.
Remove the tightening bolt for A/T fluid level gauge.
4.
Drain A/T fluid from drain plug and refill with new A/T fluid. Always refill same volume with drained fluid.
●
To replace the A/T fluid, pour in new fluid at the charging pipe with the engine idling and at the same
time drain the old fluid from the radiator cooler hose return side.
●
When the color of the fluid coming out is about the same as the color of the new fluid, the replacement
is complete. The amount of new transmission fluid to use should be 30 to 50% of the stipulated amount.
CAUTION:
●
Use only Nissan Genuine ATF Matic Fluid J. Do not mix with other fluid.
●
Using automatic transmission fluid other than Nissan Genuine ATF Matic Fluid J will cause
deterioration in driveability and automatic transmission durability, and may damage the auto-
matic transmission, which is not covered by the warranty.
●
When filling A/T fluid, take care not to scatter heat generating parts such as exhaust.
5.
Run engine at idle speed for 5 minutes.
6.
Check fluid level and condition. Refer to
. If fluid is still dirty, repeat step 2.
through 5.
7.
Install the removed A/T fluid level gauge in the fluid charging pipe.
Checking A/T Fluid
ECS0082N
1.
Warm up engine.
2.
Check for fluid leakage.
3.
Remove the tightening bolt for A/T fluid level gauge.
4.
Before driving, fluid level can be checked at fluid temperatures of 30 to 50
°
C (86 to 122
°
F) using “COLD”
range on A/T fluid level gauge as follows.
a.
Park vehicle on level surface and set parking brake.
b.
Start engine and move selector lever through each gear position. Leave selector lever in “P” position.
c.
Check fluid level with engine idling.
d.
Remove A/T fluid level gauge and wipe clean with lint-free paper.
CAUTION:
When wiping away the fluid level gauge, always use lint-free paper, not a cloth one.
e.
Re-insert A/T fluid level gauge into charging pipe as far as it will go.
CAUTION:
To check fluid level, insert the A/T fluid level gauge until the cap contacts the end of the charging
pipe, with the gauge reversed from the normal attachment conditions.
f.
Remove A/T fluid level gauge and note reading. If reading is at low side of range, add fluid to the charging
pipe.
CAUTION:
Do not overfill.
5.
Drive vehicle for approximately 5 minutes in urban areas.
A/T fluid: Nissan Matic Fluid J
Fluid capacity: 10.3 (10-7/8 US qt, 9-1/8 lmp qt)
Drain plug:
: 29 - 39 N·m (3.0 - 4.0 kg-m, 22 - 29 ft-lb)
Level gauge bolt:
: 4.4 - 5.8 N·m (0.45 - 0.59 kg-m, 39 - 51 in-lb)
A/T FLUID
AT-15
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6.
Make the fluid temperature approximately 65
°
C (149
°
F).
NOTE:
Fluid level will be greatly affected by temperature as shown in figure. Therefore, be certain to per-
form operation while checking data with CONSULT-II.
a.
Connect CONSULT-II to data link connector.
b.
Select “MAIN SIGNALS” in “DATA MONITOR” mode for “A/T” with CONSULT-II.
c.
Read out the value of “ATF TEMP 1”.
7.
Re-check fluid level at fluid temperatures of approximately 65
°
C (149
°
F) using “HOT” range on A/T fluid
level gauge.
CAUTION:
●
When wiping away the fluid level gauge, always use lint-free paper, not a cloth one.
●
To check fluid level, insert the A/T fluid level gauge until
the cap contacts the end of the charging pipe, with the
gauge reversed from the normal attachment conditions
as shown.
8.
Check fluid condition.
●
If fluid is very dark or smells burned, refer to check operation
of A/T. Flush cooling system after repair of A/T.
●
If A/T fluid contains frictional material (clutches, bands, etc.),
replace radiator and flush cooler line using cleaning solvent
and compressed air after repair of A/T. Refer to
9.
Install the removed A/T fluid level gauge in the fluid charging pipe.
Level gauge bolt:
: 4.4 - 5.8 N·m (0.45 - 0.59 kg-m, 39 - 51 in-lb)
SLIA0016E
SCIA1684E
AT-16
A/T CONTROL SYSTEM
A/T CONTROL SYSTEM
PFP:31036
Cross-Sectional View
ECS0082O
1.
Front planetary gear
2.
Mid planetary gear
3.
Rear planetary gear
4.
Direct clutch
5.
High & low reverse clutch
6.
Reverse brake
7.
Forward brake
8.
Low coast brake
9.
Input shaft
10. Torque converter
11.
Oil pump
12. Front brake
13. 3rd one-way clutch
14. Input clutch
15. 1st one-way clutch
16. Control valve
17. Forward one-way clutch
18. Rear extension
19. Intermediate shaft
20. Output shaft
21. Companion flange
SCIA3044E
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